EICA Mobile Crane & Digger Practice Test

These questions are part of the practice quiz. Start practicing

• What type of load is generally safe to lift with side loading?
• What exposure risk is present if someone is in contact with a crane grounded to the system neutral and makes contact with an energized line?
• What is the primary purpose of an equipotential zone in crane operation?
• What must the employee in charge do before releasing a clearance?
• What is the minimum size and type of fire extinguisher required by ASME for cranes?
• To ensure safety, why is it important to adjust MAD based on altitude?
• When using cable or nylon spreaders, what happens as the spreader angle decreases?
• What is a potential risk of not accounting for radius when operating a crane?
• What type of items must a person working around energized power lines avoid wearing?
• Why should only approved attachments or extra counterweights made by the manufacturer be placed on the rear of the crane?
• When cranes are working on rubber, they are typically rated at what percentage of tipping?
• If a crane is not set up level and the operator swings a load from the high side to the low side, what happens to the load radius?
• According to OSHA, what is the minimum pitch diameter for boom hoisting sheaves?
• If a signal person extends their arm at shoulder height, makes a fist, and sticks their thumb up, what action are they indicating?
• What is required on a hydraulic crane to hoist personnel?
• Why is it important to follow load charts while operating a crane?
• In a range diagram, what can boom length and angle be used to determine?
• What is the primary purpose of a rooster sheave or auxiliary boom point sheave?
• When should rotation resistant wire rope used as a host line on a boom truck be replaced?
• According to ASME B30.5, what is the maximum allowable increase in the throat opening of a crane hook?
• What is the minimum size of personal protective grounds required?
• Why do most crane manufacturers reduce load capacity for duty-cycle operations?
• What must the operator be able to see when retracting or extending outriggers on a crane?
• When setting up a crane by a ditch or excavation, how far should you stay from the edge?
• For a load chart adjustment, which action must be taken when lifting with a jib?
• When working on a 15 kV system at 2,942 feet, what is your MAD?
• What should the operator do if a crane in operation makes contact with an energized power line and bursts into flames?
• What is critical when lifting a load with more than one crane?
• Most truck-mounted cranes have a greater lifting capacity over which operating area?
• When swinging a heavy load on outriggers, what must the outrigger being swung over support?
• What action should be taken if a crane’s outrigger floats are unstable?
• When inspecting crane wire ropes, how should broken wires be monitored?
• All hazards and potential problems should be identified during which process?
• What must an observer do during crane operations?
• What is the safe maximum included angle recommended when attaching more than 1 sling to a hook?
• What should be compared to determine if the load charts are correct for the crane you are operating?
• Who can authorize the operation of cranes near energized lines?
• What is the term for the exposure that could risk injury to a person near a ground attached to a crane that has touched a power line?
• When the boom length of a crane is between two listed lengths, which capacity should be used?
• What does the number group 6 x 25 signify for wire rope?
• What is the safe guideline for handling loads under powerlines?
• Which of the following is crucial for the crane operator to ensure safety during operation?
• A frequent inspection is defined as occurring how often?
• Clothing exposed to flames should not:
• What is the approximate minimum approach distance (MAD) when working on a 34.5 kV system at an altitude of 10,152 feet?
• Should the load be applied when determining the proper boom angle?
• Who has the authority to release a clearance once a crew has it?
• What type of load is defined as dynamic?
• If a bold line is shown on a load chart, the capacities below the line are based on what?
• What is the area created through the use of a metal mat connected to a grounded object like a crane called?
• What is the maximum included angle for using a shackle to attach multiple slings?
• In pick and carry operations with an RT crane, where should the load be positioned?
• What is one of the primary reasons for conducting regular inspections on cranes?
• If the hoist line of a crane contacts an energized power line, what is necessary if the operator safely breaks contact by swinging away?
• When lifting a load, which hitch type provides the most stability?
• In the presence of multiple crew members, what must be done if one person is at risk when a clearance is achieved?
• What is the first action an operator should take before traveling under a low pipe rack?
• What action should a crane operator take to improve safety during hoisting operations?
• Which factor affects the decision on what type of inspection is required for an idle crane?
• What is an essential procedure before lifting a load at near capacity?
• When hoisting personnel with a crane, by what percentage should you de-rate the crane's load chart capacity?
• What is the design factor for rotation resistant wire rope?
• What is the area produced when using a metal mat alongside grounding jumpers called?
• When lifting a load with a stowed jib, what is the jib deduction based on?
• How should the operator verify the LMI's boom length or load radius readings?
• Where should the wind indicating device be located when a crane is hoisting an occupied personnel platform?
• What type of clothing should a person exposed to energized parts avoid wearing?
• What OSHA regulation governs suspended personnel platforms?
• How can an operator verify the accuracy of an electronic radius indicator before a lift?
• Stability capacities for a crawler crane are based on what percentage of the actual tipping load?
• What does the load capacity of a crane depend on?
• Who are the OSHA Minimum Approach Distance (MAD) charts intended for?
• Which method is typically used to protect synthetic slings while handling sharp-edged loads?
• When is it permissible for a crane to be considered energized?
• In a two crane lift with differing rated capacities, how should the crane with the greater capacity be positioned?
• The red area of an instrument gauge indicates what?
• When testing a man basket, how long must the test pick be maintained?
• What is the effect of properly set outriggers on crane stability?
• LMI should be installed on cranes with lifting capacities of what minimum weight?
• Where is ground bearing pressure greatest on a crawler crane during hoisting?
• How is the safe working load of a wire rope determined?
• What does a higher number of strands per wire rope typically indicate?
• How can an operator determine the appropriate size or type of wire rope when replacing it on a crane?
• Who is responsible for ensuring proper ground conditions when setting up a mobile crane according to OSHA?
• What is the role of a dedicated spotter during crane operations?
• What is the most unstable allowable quadrant of operation for a truck crane?
• What should a crane operator do if they can't level their crawler crane?
• What may happen to a properly rigged load that is lifted off the ground, unless boom deflection is taken into account?
• What is the maximum percentage of a crane's net capacity when lifting personnel in a suspended personnel basket?
• What is the primary purpose of a spreader bar?
• When multiple crews are working on a line cleared for work, what can any crew that requires a clearance do?
• What factor is typically considered for correcting MAD at different altitudes?
• What type of sling is specifically not suitable near fumes or vapors?
• According to OSHA, what is the minimum number of wraps of wire rope that must remain on the drum with the hook at its lowest point?
• In crane operations, what does RRL stand for?
• Which of the following is NOT a voltage system mentioned in the context of MAD calculations?
• According to OSHA, what is the maximum wind speed allowed for personnel platform lifts?
• What is net capacity in relation to a crane's load?
• What do most crane manufacturers prohibit from being added to the crane?
• What occurs when the leverage from the load exceeds the leverage applied by the crane?
• A mobile crane operator is responsible for which of the following?
• When using a screw pin shackle to attach 2 slings to a crane's hook, where should the pin be positioned?
• What is a concern when setting up a crane over a sewer or water main?
• What condition must be met to ensure effective load handling with a crane?
• What must be barricaded to protect workers when setting up a crane?
• If a qualified operator is working within 10 feet of energized lines, what is required of them?
• How should a crane operator account for boom deflection while lifting?
• What is the best procedure to follow when underground utilities may be present?
• What action must be taken if the power line being worked on is equipped with an automatic recloser?
• During a shift inspection, what must be done if there is water accumulation around the crane's outrigger?
• What can happen if a crane's hydraulic boom sections are extended unequally?
• In the context of crane operations, which inspection is performed more frequently, frequent or periodic?
• When telescoping the boom section of a rough terrain crane, which section should be telescoped first?
• Is it permissible to temporarily bypass a crane's overload warning system?
• What is the most likely damage that may occur when side loading a crane boom?
• What is the purpose of having a load chart for a crane?
• If the jib is removed from the Terex Stinger 3470 BT, what is the deduction?
• When can multiple clearances be issued on a single circuit or line?
• What is a key consideration when using a crane's load chart?
• When using a boom mounted personnel platform on a boom truck, where must the load line block or ball be when personnel are occupying the platform?
• What is the role of the controlling entity during crane setup?
• When operating a crane, what must an operator do if the hoist line makes contact with an energized power line?
• What is an essential pre-lift safety measure when working near power lines?
• What effect does having more leverage than the crane have?
• What is the minimum safety factor that standard wire rope must maintain during hoisting operations?
• Which piece of equipment is crucial in preventing electrical accidents when working around cranes?
• At what altitude is the MAD adjusted to 2 feet, 5 inches for a 4.16 kV system?
• What is the best type of softener for handling loads with sharp edges when using synthetic slings?
• If a crane swings downhill after releasing the swing brake, what happens to the load radius?
• What happens when the distance from the crane's center of gravity to the tipping axis is increased?
• What effect does swinging a loaded crane to the low side have on the crane’s stability?
• What would be the approximate MAD for a 15 kV system if you are at 2,942 feet?
• What requirement must all cranes manufactured after November 2011 meet regarding the drum rotation indicator?
• When the angle of a crane's boom is between two angles listed on the chart, which angle should be used?
• What information must be displayed on a spreader bar that weighs over 100 lbs?
• Which condition is critical to check before setting up a mobile crane?
• If equipment could potentially contact an energized line, what is necessary?
• Who is responsible for giving hand signals to the crane operator?
• What is the order of 3 common hitches from strongest to weakest?
• Crawler cranes usually have greater lifting capacity over which area?
• What is a critical safety measure when working near power lines?
• What does the term "upperworks" or "superstructure" refer to in a crane?
• When measured from the horizontal, what effect does a lower sling angle have?
• What is the maximum throat opening for crane hooks as a percentage of its original size?
• What is the primary factor that most jib capacities are based on?
• When lifting on outriggers, how should the outrigger floats be positioned?
• What is a consequence of improper lubrication of wire rope?
• Mobile cranes operating near energized power lines must be:
• How does the presence of sharp corners affect rigging safety?
• If a 2ft x 2ft outrigger pad has 45,000 pounds applied to it, what is the pressure applied to the ground in psi?
• If a crane is set up out of level, what happens when it swings to the low side?
• On what percent of tipping are most boom truck load charts based?
• What factor should be considered when determining the working radius of a crane?
• What is the capacity ratio for a basket hitch of a wire rope sling based on 100% of the hitch capacity?
• Why is it important to maintain a vertical hoist line during crane operations?
• What happens when the boom handle is released to its center position?
• If a boom truck is set up on outriggers without a front stabilizer, what is the working area typically limited to?
• What is the minimum flange clearance for a fully loaded hoist drum according to ASME B30.5?
• When a crane is operating around energized lines, what is required for employees on the ground regarding contact?
• What is the time frame for a periodic inspection of a crane?
• What is the minimum safety factor designed for most overhead rigging?
• In crane operation, what is the significance of knowing the load chart?
• At an altitude of 7,450 feet and working on a 4.16 kV system, what is your approximate MAD?
• What is one of the key safety measures when operating cranes near electrical sources?
• What is the purpose of placing mats or cribbing under outrigger floats?
• What should be done if the actual load exceeds the crane's rated capacity?
• What is a key responsibility of ground personnel when cranes operate near power lines?
• How often must a standby crane be inspected according to ASME B30.5?
• In which operating area do boom trucks generally not have capacities?
• Why is it crucial to assess the crane's stability before lifting a load?
• If you fall between the radius listed on the load chart while operating a crane, you must use the?
• When exposed to flames or electric arcs, which of the following should clothing not do?
• During pole setting near energized power lines, what are protective covers rated for line potential?
• Why is cribbing important during crane operations?
• When extending boom sections that have independent hydraulic controls, what is crucial for safety?
• What is identified as an operational aid in the context of crane operations?
• What is an essential consideration when determining MAD for power systems?
• What is the sling stress for each sling leg for a depicted load of 12,000 lbs?
• In the event of unexpected obstacles during crane setup, what should be the first step?
• When a line is cleared for work, who receives the clearance from the system operator?
• In crane operation, which aspect is critical to prevent accidents while lifting?
• Under what condition is side loading of a crane permitted?
• What factor is crucial for maintaining stability while using a crane?
• How many randomly distributed broken wires are allowed for rotation resistant wire rope in 6 rope diameters?
• Why is it important to inspect rotation resistant wire rope more frequently?
• For cribbing under an outrigger float, how should the blocking be arranged?
• Under what condition can a clearance be released?
• In which quadrant is a crawler crane considered most unstable during operation?
• What information will a range diagram not provide to the operator?
• What is the recommended characteristic of a lubricant used for wire rope?
• Which of the following is not a consequence of improper handling around power lines?
• What is the minimum pitch diameter for load hoisting sheaves according to ASME B30.5?
• What is the crane's capacity at a 42 ft radius if the load chart indicates 25,000 lb at a 40 ft radius and 20,000 lb at a 45 ft radius?
• What type of potential could cause injury to someone standing near a ground attached to a crane in contact with power lines?
• Eccentric main boom tip reeving typically results in what issue?
• At 5,280 feet, what is your approximate minimum approach distance (MAD) when working on a 12 kV system?
• What is the recommended practice when the crane's boom length is not explicitly listed in the load chart?
• A truck crane, with outriggers properly set, is rated at what percentage of its tipping capacity?
• How does a longer boom typically affect stability?
• If a crane's jib is offset by 15° while the boom angle stays unchanged, what happens to the load radius?
• If a person is in contact with a crane grounded to the system neutral while also in contact with an energized line, they would be exposed to:
• What does the term "minimum approach distances" refer to?
• What is the standard rope used on most cranes?
• Which method does NOT minimize stress on slings when lifting?
• What action can potentially cause an extended boom to topple backwards?
• What is essential for managing safety around crane operations?
• Why is it beneficial to use mats or cribbing under a crane?
• When determining the "gross load", what is the best method to use?
• What is the MAD at an altitude of 10,152 feet for a 34.5 kV system?
• What should a crane operator do if their truck crane, with fully extended outriggers, lacks a fifth front outrigger?
• What is the maximum number of broken wires permitted at a wire rope terminating fitting?
• When setting up a crane in an area with public access, what should you do?
• R/T cranes typically have greater lifting capacity over which working area?
• When checking the main and auxiliary hoist brakes, what should an operator do?
• When setting up the crane with three outriggers fully extended and one halfway, what must the operator utilize?
• What should be avoided when selecting a lubricant for visual inspection of wire rope?
• To calculate the lifting potential, why would an operator consider the effective weight of the jib?
• Which of the following is NOT a type of load a crane can handle?
• How many broken wires must be present in one strand of wire rope for it to be removed from service?
• What is the maximum number of broken wires allowed beyond end connections in a standing wire rope?
• What must mobile cranes be when operated near energized equipment?
• If rotation or uncontrolled movement of a load occurs during hoisting, what should the operator do?
• In crane operation, what is crucial to maintain to ensure safety during lifting operations?
• Nylon web slings should not be used near which of the following?
• What should be done if the crane’s load path crosses over public pathways?
• What is the most common cause of death for ground personnel working with cranes?
• What is the key sizing factor for screw pin shackles?
• Where is the jib located when in the stowed position?
• What is the greatest concern when rigging a load with synthetic slings?
• If a crane is set up out of level with a short boom at a high boom angle and swings to the high side, what may happen?
• What's the consequence of not conducting a pre-lift meeting?
• When setting up a crane, which load chart must be used if the outriggers on one side could not be extended?
• Who is responsible for performing a shift inspection on a crane according to OSHA 1926 Subpart CC?
• What describes a qualified electrical worker?
• What is the proper action if a crane's outrigger shows signs of damage during inspection?
• What is OSHA's minimum required clearance when a crane is in transit under 50kV power lines?
• What must an operator do if potential hazards are identified during crane operation?
• What is the minimum approved distance for lines energized at more than 50 kV for a non-electrically-qualified operator?
• A truck crane is set up on outriggers. What percentage of the crane's capacity governs the part of the load chart related to stability?
• What is the best way to prevent injuries from the counterweight of the crane?
• Why might blocking be placed under the ends of tracks?
• What can result from not using a tagline in a dangerous rotating load situation?
• Which of the following best describes the responsibility of employees in recognizing electrical hazards?
• Which of the following factors can increase the risk of tipping a crane?
• What can happen if a crane is operated without using tag lines during a load lift?
• Is it permissible to hand tools over barricades to workers while in an equipotential zone (EPZ)?
• When performing a multiple crane lift, what must the operator be aware of regarding the load weight?
• What is the minimum allowable clearance from the crane and power lines under 50kV?
• What must you do when entering or exiting an equipotential zone?
• Load chart ratings apply under which conditions?
• When working near a cellar wall, the crane's outrigger pads or tracks should be placed how far back?
• When swinging a crane and people walk into the swing path, what should the operator do?
• What effect does retracting the crawlers of a crawler crane with a long boom have on its capacity?
• In pick and carry operations, which item could typically be removed from the crane?
• When an operational aid stops working properly, what must the crane operator do?
• What type of tag lines should be in use near energized lines?
• For a safe working environment, the calculated altitude correction factor is essential for which of the following?
• Most jib ratings are typically based on what factor?
• A person standing near a grounded crane that has contacted power lines is exposed to which type of potential?
• If the safe working load (SWL) of a crane's wire rope is 8,000 lb using one part, what is the SWL when using 4 parts?
• When using a 6x19 IWRC load line to suspend a personnel platform, what is the minimum safety factor for the hoist line?
• Why is it necessary for an operator to be qualified when working near power lines?
• Why is it important for operators to maintain a safe distance from power lines?
• What type of person must be designated to conduct inspections on cranes according to OSHA?
• What is a critical factor to monitor when lifting personnel using cranes?
• What is the primary concern when side loading a crane boom?
• Who is responsible for being on site during a lift and coordinating load details?
• At what horizontal sling angle does the tension in each leg of a 2-leg bridle equal the weight of the load?
• How is backward stability of a crane tested?
• What is the recommended distance to stay back when operating a boom truck near a reinforced retaining wall?
• Who should make recommendations for setting up a preventative maintenance program?
• Who is responsible for determining the weight deduction for a stowed jib?
• What does "working radius" refer to in crane operations?
• What percent of tipping are most crawler crane's load charts based on?
• Which voltage system at 7,450 feet results in an MAD of approximately 2 feet, 5 inches?
• Which term describes operations that involve the controlled use of a crane for work cycles?
• What certification is required for two members of a crew working on overhead lines in remote areas?
• Which personnel are allowed to be in the fall zone of a crane?
• What are considered safety devices according to the OSHA crane standard?
• What happens to the line pull as wire rope spools onto a hoist drum and the layers on the drum increase?
• Which quadrant produces the least amount of ground bearing pressure on a crawler crane?
• What condition can lead to less tipping resistance during a lift?
• What is the purpose of a range area limiting device on a crane?
• When setting up a crane on a job site, who is responsible for ground preparations such as slope and compaction?
• What is a concern when operating a short boom at a high angle on an R/T crane?
• When can blocking (cribbing) be placed under outrigger beams?
• What equipment is essential for assessing the proper boom angle during a lift?
• Which is the best practice for maintaining stability during multi-crane operations?
• Which type of inspection required by OSHA does not require any documentation?
• What is required during pole setting operations around energized lines?
• Where is the best location to place the level when leveling a crane?
• What can heavy winds influence when operating a crane?
• In what condition is it crucial for a crane operator to be aware of surrounding energized lines?
• What should be a primary concern when setting up a crane on a construction site with new buildings?
• What is the replacement criterion when using RRL 6x19 wire rope as a winch line?
• How can an operator determine if the correct load chart is being used?
• What happens when the number of layers of rope on a drum is increased?
• What is the maximum percentage of a crane's net capacity allowed when lifting with more than one crane?
• Protective grounding equipment must be able to handle maximum fault current at which location?
• When should the operator never use the "run by the seat of the pants" technique?
• What should a lift director provide to the crane operator during a lift?
• Before beginning lift operations, what should the crane crew conduct?
• Which of the following is a crucial factor in crane setup near excavations?
• What is a critical consideration for the stability of a crane during load handling?
• In emergency situations, what is crucial to do after an electric shock incident?
• What must occur when extending the outriggers?
• If a crane has a line pull of 8,000 lbs and needs to lift a net load of 36,400 lbs, how many parts of line are required?
• How often shall chain slings be inspected and documented according to OSHA regulations?
• Why is it important to use the correct load chart for a specific crane model?
• The line pull on your crane is 6,000 lbs and the load you want to lift weighs 25,000 lbs. What is the minimum number of parts of line needed to lift the load?
• What precaution should be taken when operating a crane with a long boom during windy conditions?
• When operating a crane, which practice helps to minimize the risk of electrocution?
• When the boom of a crane is lowered, what happens to the radius?
• Who receives the clearance when a line is cleared for work?
• In a pick and carry operation with a R/T crane, where do most manufacturers require the load and boom to be positioned?
• What is the maximum resistance of a driven ground?
• According to OSHA standards, when are you considered an "Operator in Training"?
• What should be considered when selecting a quadrant for crane operation?
• For duty cycle operations like skipping concrete, by what percentage must a crane's load chart capacity be reduced?
• How is the boom length of a crane measured?
• What is the best method for determining boom tip elevation?
• Truck crane capacities are usually greater over which quadrant?
• In crane operations, what is the purpose of implementing outriggers?
• Which of the following actions is most critical during crane operation?
• Who has the authority to give a stop signal to the crane operator?
• What is the sling stress for each sling leg for a depicted load of 22.4 tons?
• What must be done when the capacity listings are no longer legible on a load chart?
• According to ASME B30.5, which type of crane must have seat belts provided?
• What should be done if conditions around a crane and power lines change during operation?
• When does an erected jib have its greatest effect on a crane's operation?
• What can happen if the outriggers are not properly set before lifting a load?
• What does the boom angle indicator indicate to the operator?
• How does high wind typically affect the setup of a crane with a long boom?
• How much clearance is typically required from any part of the crane and its load when working around power lines of more than 750kV?
• The boom angle indicator provides information relative to what?
• According to OSHA regulations, how many randomly broken wires are permissible in a 6x19 IWRC RRL hoist line?
• According to OSHA standards, how long must monthly inspection records be kept?
• What defines a wire rope lay length?
• What must a ground wire have to be considered safe for use?
• In a basket configuration, what is the recommended minimum D/d ratio for a 6x19 IWRC sling?
• When the anti-two-block (A2B) lock-out device is activated on a telescopic crane, which functions should be disabled?
• What is the term used for a load that is not moving?
• What is the maximum number of broken wires allowed in a 6x25 hoist line before replacement is needed?
• In some truck-mounted cranes, what area has no lifting capacity?
• What may happen when operating a crane that is not level and swings to the low side?
• What is the safety protocol for materials placed under overhead energized power lines?
• What percentage of the crane's weight can a single outrigger pad approach if not overloaded?
• What should an operator do if a hydraulic leak occurs in the outrigger while lifting a load?
• What is a requirement for a lockout device?
• According to ASME B30.5, what is the prohibited zone for power lines that are 60kV?
• When hoisting a load, what is crucial to check before starting?
• How frequently must wire rope on mobile cranes be inspected thoroughly and documented?
• According to OSHA regulations, when must retraining be required?
• If a jib is erected but not being used, it is treated as a deduction from the crane's?
• What precaution should an operator take when operating a crane on uneven ground?
• What is the minimum clearance for a crane operating near an energized power line of 40 kV for a non-qualified electrical worker?
• If a power line has an automatic recloser, what should be done with its reclosing feature?
• What is the recommended minimum clearance for the rear swing of a crane in a tight space?
• What type of hook is required when lifting personnel with a crane?
• Which of the following statements about outrigger float positioning is correct?
• What should be done when working closer than 10 feet on a 12 KV line?
• What is the required design factor for running wire rope that is not rotation resistant?
• Which of the following indicates a specific performance standard for crane operators based on training?
• What must an operator do if they leave the cab of the crane while the engine is running?
• What is wire rope lubricant NOT intended to do?
• Why is it essential to use a transition area when moving in and out of an equipotential zone?
• When a crane is equipped with multiple hoisting winches, where will the auxiliary ball typically be reeved?
• What does OSHA require regarding the maintenance and placement of power line warnings on cranes?
• How do you determine machine clearances during crane setup?
• What does "Jib Offset" refer to in crane configurations?
• According to OSHA, what is the designation of a person who must perform a visual pre-shift inspection on a crane?
• What happens to ground bearing pressure when moving a crawler crane from soft ground to harder ground?
• What chart must an operator refer to when operating a rough terrain crane with all tires firmly planted?
• When is it acceptable for outriggers on a crane to be less than fully extended?
• What is required for the safe operation of cranes in relation to electrical hazards?
• What is the minimum safe distance for an electrically unqualified operator and spotter from a power line?
• How should an operator respond to a significant boom deflection while lifting a heavy load?
• According to OSHA, what is the minimum distance to maintain from an energized power line with over 750kv while traveling?
• Who is permitted to signal a mobile crane during standard operations?
• If the load line of a crane comes into contact with an energized power line, what should you do?
• Which of the following is a critical consideration for lifting operations with synthetic slings?
• What is one of the primary considerations when planning a two crane lift?
• For cranes idle for less than 6 months, what type of inspection is required?
• What is the heaviest load that can be safely lifted if the jib capacity is 8 tons and the overhaul ball weighs 900 lbs?
• Rough terrain crane capacities are generally greater over which quadrant?
• When should a tagline be used while operating a crane?
• When extending the boom on certain cranes with independent hydraulic controls, how should the operator extend each boom section?
• What OSHA regulation governs cranes in General Industry?
• What must be done to ensure safety while working near energized power lines with mobile cranes?
• What potential issue arises from a crane operating in high winds?
• When using load/capacity charts, what does the term "jib angle to ground" refer to?
• If the jib of a crane is offset, what happens to the crane's capacity?
• What safety measure should be taken when using cranes for lifting personnel?
• How should ground personnel react when a crane approaches power lines?
• What is a major effect of abruptly stopping a rapid swing on a long-boom mobile crane?
• What is a self-controlled device that interrupts a circuit with a predetermined sequence?
• What should an operator do when a spinning load presents a danger?
• Under what circumstance is it permissible for an employer to use a suspended personnel platform?
• What is the primary purpose of placing blocking or pads under outrigger floats?
• According to OSHA, which area must be barricaded to prevent employees from entering?
• What is the minimum safety factor required when hoisting personnel with a crane that has rotation-resistant wire rope installed?
• When determining load capacities, what is a critical factor for crane operation?
• What design factor is applied to rigging used for suspended personnel platform lifting?
• What should operators use to communicate effectively while working near energized equipment?
• Which factor is crucial for a qualified operator to maintain when working near energized lines?
• During crane operation, what governs the maximum load capacity when the radius is adjusted?
• What must be ensured to avoid risk when operating mobile cranes near energized lines?
• Which of the following is not considered duty cycle work?
• The operating radius of a crane is typically measured with what?
• What is the area produced through the use of a metal mat connected to a grounded object called?
• If a crane has been idle for more than 6 months, which type of inspections must be performed?
• What type of blocking or cribbing is not recommended under the outrigger float?
• What defines the radius in crane operation?
• Which altitude results in a MAD of 3 feet, 3 inches for a 34.5 kV system?
• What is the number one cause of death for ground personnel working with cranes?
• How many power line warning decals are required on a crane working in construction?
• When a person is removing material from a crane that has contacted a power line, what type of potential are they exposed to?
• Which of the following is not a good location for crane setup?
• Which component is crucial for ensuring weight distribution when operating with a crane?
• What does MAD stand for in the context of electrical work?
• According to OSHA, what is the maximum time to reach an employee who has received an electric shock?
• What is the primary role of a designated person in a work crew?
• Which hitch provides 360° of contact when handling pipe?
• What is the primary consideration when selecting a sling for lifting?
• What is the sling stress for each sling leg for a depicted load of 1440 lbs?
• To ensure safety, which area around a crane should be routinely checked for personnel during operation?
• What can cause side loading on a crane?
• What is an automatic recloser?
• A 47" turntable that is 1% out of level will equate to approximately how many inches?
• What does the term "parts of line" refer to in crane operation?
• What is the maximum percentage of the crane's capacity that a boom mounted personnel platform must not exceed?
• What does the ground bearing pressure depend on when using an outrigger pad?
• How much area is needed for 45,000 pounds to create only 20 PSI?
• What is the minimum number of parts of line required to lift a load weighing 36,500 lbs with a crane that has a line pull of 9,000 lbs?
• When is a dedicated spotter required when working near power lines?
• If a jib is erected but not being used, what should be deducted from the crane's load capacity?
• When a boom truck crane operates on properly set outriggers, where is the tipping axis located?
• What is the proper procedure when using an insulating link or boot near power lines?
• What is the primary reason for calculating an altitude correction factor?
• What is the key difference between an Anti-two-block warning device and an Anti-two-block prevention system?
• If a crane is being used closer than 10' to an energized power line, who must the operator be?
• What action must be taken if a load exceeds the crane's lifting capacity?
• What wind speed should a qualified person evaluate hoisting operations for personnel platforms?
• When personnel platforms are lifted with a telescopic crane, what kind of system is provided for damage prevention?
• What does breaking strength divided by the design factor yield?