Prepare for the NCCER Crane Operator certification exam with these practice questions and answers. This guide covers load charts, rigging, hand signals, lift planning, and crane safety.
Q: When determining the “gross load” the best method is:
Answer: Get an accurate load weight and add the rigging
Q: By order of strength which is correct
Answer: Basket, Vertical, Choker
Q: Primary purpose for a roster sheave or auxiliary boom point sheave is to:
Answer: Separate the hoist line
Q: When the number of layers of rope on a drum increase the :
Answer: Allowable line pull decreases
Q: What is the minimum allowable distance from the crane and power lines under 50kV?
Answer: 10′
Q: Eccentric main boom tip reeving casues
Answer: twisting of the boom
Q: How many randomly broken wires must there be to remove a running wire rope from service?
Answer: 6
Q: When working near power lines when is a signal person required?
Answer: When crane moves within a booms length of power lines
Q: When operating truck cranes what is the most unstable allowable quadrant of operation?
Answer: Side
Q: Tipping capacities of locomotive cranes are based on what % of tipping?
Answer: 85%
Q: Should the load be applied when determining the proper boom angle?
Answer: YES
Q: What type of rope is recommended for a tagline around powerlines
Answer: Polypropylene
Q: what does two beeps of the horn indicate to people in the area
Answer: forward
Q: Load radius is the distance from the center of gravity of the suspended load to the:
Answer: Center of rotation
Q: What is the purpose of using a boom extension?
Answer: Increase height
Q: What do a jib and boom ext. have in common
Answer: Increase height
Q: What is the minimum design factor required for a right regular lay main boom or auxiliary hoist rope?`
Answer: 3.5
Q: How does the operator determine if the correct load chart is being used?
Answer: Matching serial numbers
Q: If the crane’s jib is offset 5 degrees as opposed to an original 15 degrees and the boom angle remains constant you would expect the load radius to do what?
Answer: To be reduced
Q: How does the operator verify the LMs boom length or load radius reading?
Answer: accutal measurements
Q: If the rated capacity of the crane is above the solid line or within the shaded areas or has an asterisk next to it this means the capacity is based on:
Answer: 85% tipping
Q: How many broken wires must be present in one strand of one lay for running wire rope to be removed from service?
Answer: 3
Q: In a range diagram boom length and angle can be used to determine:
Answer: Load radius
Q: When making a multiple crane lift it is important for the operator to understand that
Answer: the weight may increase if the other crane lands the load first
Q: Most crane manufacturers reduce the load capacity for duty-cycle operations because
Answer: side loading forces may occur
Q: The proper way to calibrate a boom angle indicator is:
Answer: using a level, raise the boom to horizontal and set the indicator at 0 degrees
Q: If setting up the crane by a ditch or an excavation, you should stay at least what distance from the edge?
Answer: 1 1/2 times the depth of the excavation
Q: When using cable or nylon spreaders it is important to remember :
Answer: the lower the spreader angle the greater the tension
Q: Backward stability is tested with
Answer: Basic boom at maximum angle with no load
Q: If the rated capacity of the crane is below the solid line or outside the shaded area or has an asterisk next to it this means the capacity is based on
Answer: Tipping
Q: Parts of line means
Answer: the number of lines running through the load block
Q: If a jib is erected but not being used, it is treated as deduction from the crane’s
Answer: Gross capacity
Q: What are most jib capacities based on?
Answer: Structural
Q: Jib back lash is how much?
Answer: 5 degrees
Q: Test loads shell not exceed of manufacturers load ratings of
Answer: 110%
Q: Crane hooks must not be twisted in excess of
Answer: 10 degrees-OSHA5 degrees- ASME
Q: A crane hooks throat opening must not exceed OSHA:
Answer: 15% of its original size- OSHA5% of its original size- ASME
Q: Rotation resistant wire rope must not have in excess of:
Answer: 2 randomly broken wires in six wire rope diameters or 4 randomly broken wires in 30 wire rope.
Q: A trial lift with unoccupied personnel platform loaded must be:
Answer: loaded at least with the anticipated weight
Q: How many broke wires in one strand in one lay of a wire rope slings will make it necessary to replace the sling?
Answer: 5
Q: What should only be used for a vertical lift?
Answer: eyebolt
Q: How is safe working load affected if the lifting hook is loaded off center?
Answer: it is decreased
Q: All domestic wire rope slings have a safety design lifting factor of:
Answer: 5 to 1
Q: Before a spreader bar or beam can be used, they must be
Answer: tested and approaved
Q: Which of the following will cause kinks in a wire rope sling
Answer: a load without softeners
Q: Crane hooks must not be twisted in excess of
Answer: 10 degrees
Q: How many randomly distributed broken wires in one lay of a wire rope sling will make it necessary to replace the sling
Answer: 10
Q: You are inspecting a wire rope sling, assume that you have the proper tools to check for wear on the sling, what are you looking for to remove a wire rope sling from service?
Answer: wear of 1/3 the diameter of wire rope
Q: lifting lugs should be used for straight, vertical lifting only
Answer: True
Q: Turnbuckles should be made of cast steel and should not be welded
Answer: False
Q: Pulling synthetic slings from under a load will cause
Answer: stitching to become damaged and must be removed from service
Q: Synthetic web slings are in use. Two may be joined together or connected by:
Answer: using a shackle
Q: how many broken wires in one strand in one lay of a wire rope will make it necessary to replace the wire rope
Answer: 3
Q: rotation resistant wire rope cannot be used
Answer: on boom hoisting systems
Q: line pull is
Answer: the amount of weight a drum will hoist for a given layer of wire rope
Q: Wedge and sockets
Answer: are the most common way of terminating wire rope on cranes