IDAHO CRANE OPERATOR CERTIFICATION
EXAM|QUESTIONS AND ANSWERS WITH
RATIONALE|GRADED A+|100% CORRECT|2026 UPDATE
1. What is the primary function of a crane?
A. Move loads horizontally and vertically
B. Generate power
C. Pump fluids
D. Compress air
Answer: A
More Information: Cranes lift and move loads safely across job sites.
2. What is rated load capacity?
A. Maximum safe load
B. Minimum load
C. Average load
D. Temporary load
Answer: A
More Information: Defined by manufacturer load charts.
3. What determines crane capacity?
A. Color
B. Load chart
C. Operator
D. Weather
Answer: B
More Information: Load charts specify safe limits.
4. What is a load chart?
A. Map
B. Capacity reference
C. Manual
D. Schedule
Answer: B
More Information: Shows lifting limits based on conditions.
,5. What is boom length?
A. Crane height
B. Length of boom
C. Width
D. Weight
Answer: B
More Information: Affects lifting capacity.
6. What is radius?
A. Height
B. Distance from center to load
C. Width
D. Weight
Answer: B
More Information: Key factor in load calculations.
7. Increasing radius does what?
A. Increases capacity
B. Decreases capacity
C. No effect
D. Stops crane
Answer: B
More Information: Larger radius reduces lifting ability.
8. What is a boom?
A. Base
B. Lifting arm
C. Engine
D. Cable
Answer: B
More Information: Main structural lifting component.
9. What is jib?
A. Base
B. Extension of boom
C. Engine
D. Cable
Answer: B
More Information: Increases reach.
, 10. What is hoist line?
A. Power cable
B. Lifting cable
C. Fuel line
D. Air line
Answer: B
More Information: Supports and lifts load.
11. What is hook block?
A. Engine
B. Hook assembly
C. Control
D. Brake
Answer: B
More Information: Connects load to crane.
12. What is rigging?
A. Engine
B. Equipment used to secure load
C. Fuel
D. Air
Answer: B
More Information: Includes slings, shackles, hooks.
13. What is sling?
A. Cable
B. Lifting strap/device
C. Engine
D. Valve
Answer: B
More Information: Used to attach load.
14. What is shackle?
A. Engine
B. Connector
C. Valve
D. Pump
Answer: B
More Information: Connects rigging components.
EXAM|QUESTIONS AND ANSWERS WITH
RATIONALE|GRADED A+|100% CORRECT|2026 UPDATE
1. What is the primary function of a crane?
A. Move loads horizontally and vertically
B. Generate power
C. Pump fluids
D. Compress air
Answer: A
More Information: Cranes lift and move loads safely across job sites.
2. What is rated load capacity?
A. Maximum safe load
B. Minimum load
C. Average load
D. Temporary load
Answer: A
More Information: Defined by manufacturer load charts.
3. What determines crane capacity?
A. Color
B. Load chart
C. Operator
D. Weather
Answer: B
More Information: Load charts specify safe limits.
4. What is a load chart?
A. Map
B. Capacity reference
C. Manual
D. Schedule
Answer: B
More Information: Shows lifting limits based on conditions.
,5. What is boom length?
A. Crane height
B. Length of boom
C. Width
D. Weight
Answer: B
More Information: Affects lifting capacity.
6. What is radius?
A. Height
B. Distance from center to load
C. Width
D. Weight
Answer: B
More Information: Key factor in load calculations.
7. Increasing radius does what?
A. Increases capacity
B. Decreases capacity
C. No effect
D. Stops crane
Answer: B
More Information: Larger radius reduces lifting ability.
8. What is a boom?
A. Base
B. Lifting arm
C. Engine
D. Cable
Answer: B
More Information: Main structural lifting component.
9. What is jib?
A. Base
B. Extension of boom
C. Engine
D. Cable
Answer: B
More Information: Increases reach.
, 10. What is hoist line?
A. Power cable
B. Lifting cable
C. Fuel line
D. Air line
Answer: B
More Information: Supports and lifts load.
11. What is hook block?
A. Engine
B. Hook assembly
C. Control
D. Brake
Answer: B
More Information: Connects load to crane.
12. What is rigging?
A. Engine
B. Equipment used to secure load
C. Fuel
D. Air
Answer: B
More Information: Includes slings, shackles, hooks.
13. What is sling?
A. Cable
B. Lifting strap/device
C. Engine
D. Valve
Answer: B
More Information: Used to attach load.
14. What is shackle?
A. Engine
B. Connector
C. Valve
D. Pump
Answer: B
More Information: Connects rigging components.