MOBILE CRANE NCCER 2025, CRANE OPERATOR EXAM WITH VERIFIED QUESTIONS AND
ANSWERS ALREADY GRADED A+
When determining the "gross load" the best method is: - and add the rigging answer Get an
accurate load weight
By order of strength which is correct - answer Basket, Vertical, Choker
Primary purpose for a roster sheave or auxiliary boom point sheave is to: - answer Separate the
hoist line
When the number of layers of rope on a drum increase the : - answer Allowable line pull
decreases
What is the minimum allowable distance from the crane and power lines under 50kV? - answer
10'
Eccentric main boom tip reeving casues - answer twisting of the boom
How many randomly broken wires must there be to remove a running wire rope from service? -
answer 6
When working near power lines when is a signal person required? - answer When crane moves
within a booms length of power lines
When operating truck cranes what is the most unstable allowable quadrant of operation? -
answer Side
Tipping capacities of locomotive cranes are based on what % of tipping? - answer 85%
, Should the load be applied when determining the proper boom angle? - answer YES
What type of rope is recommended for a tagline around powerlines - answer Polypropylene
what does two beeps of the horn indicate to people in the area - answer forward
Load radius is the distance from the center of gravity of the suspended load to the: - answer
Center of rotation
What is the purpose of using a boom extension? - answer Increase height
What do a jib and boom ext. have in common - answer Increase height
What is the minimum design factor required for a right regular lay main boom or auxiliary hoist
rope?` - answer 3.5
How does the operator determine if the correct load chart is being used? - answer Matching
serial numbers
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
How does the operator verify the LMs boom length or load radius reading? - answer accutal
measurements
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
ANSWERS ALREADY GRADED A+
When determining the "gross load" the best method is: - and add the rigging answer Get an
accurate load weight
By order of strength which is correct - answer Basket, Vertical, Choker
Primary purpose for a roster sheave or auxiliary boom point sheave is to: - answer Separate the
hoist line
When the number of layers of rope on a drum increase the : - answer Allowable line pull
decreases
What is the minimum allowable distance from the crane and power lines under 50kV? - answer
10'
Eccentric main boom tip reeving casues - answer twisting of the boom
How many randomly broken wires must there be to remove a running wire rope from service? -
answer 6
When working near power lines when is a signal person required? - answer When crane moves
within a booms length of power lines
When operating truck cranes what is the most unstable allowable quadrant of operation? -
answer Side
Tipping capacities of locomotive cranes are based on what % of tipping? - answer 85%
, Should the load be applied when determining the proper boom angle? - answer YES
What type of rope is recommended for a tagline around powerlines - answer Polypropylene
what does two beeps of the horn indicate to people in the area - answer forward
Load radius is the distance from the center of gravity of the suspended load to the: - answer
Center of rotation
What is the purpose of using a boom extension? - answer Increase height
What do a jib and boom ext. have in common - answer Increase height
What is the minimum design factor required for a right regular lay main boom or auxiliary hoist
rope?` - answer 3.5
How does the operator determine if the correct load chart is being used? - answer Matching
serial numbers
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
How does the operator verify the LMs boom length or load radius reading? - answer accutal
measurements
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
