Exam Questions And Correct Answers
(Verified Answers) Plus Rationale2026
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1. Which of the following is the primary responsibility of a crane
operator?
A. Maintaining project schedules
B. Operating the crane safely according to regulations
C. Supervising site workers
D. Ordering materials
Rationale: The crane operator’s primary duty is to operate the crane
safely, following OSHA and manufacturer guidelines.
2. What is the maximum allowable load for a crane determined by?
A. Operator experience
B. Manufacturer’s load chart
C. Site manager
D. Weather conditions
Rationale: The crane’s load chart, provided by the manufacturer,
specifies the maximum safe lifting capacities.
3. Before operating a crane, the operator must:
A. Check the load after lifting
B. Conduct a pre-operation inspection
C. Check only if the load is heavy
D. Inspect equipment monthly
Rationale: Pre-operation inspections are required daily to ensure safe
crane function.
,4. Which signal is used to stop crane operations immediately?
A. One short whistle
B. Two short whistles
C. One long whistle
D. Two long whistles
Rationale: One long whistle is the standard signal to stop all crane
operations immediately.
5. The purpose of outriggers on a crane is to:
A. Increase lifting speed
B. Provide stability during lifts
C. Reduce fuel consumption
D. Support the operator
Rationale: Outriggers extend the base and stabilize the crane to
prevent tipping.
6. Which factor most affects the crane’s lifting capacity?
A. Operator’s experience
B. Boom length and angle
C. Type of hook
D. Load shape
Rationale: Boom length and angle directly affect leverage and lifting
capacity.
7. OSHA requires crane inspections to be conducted:
A. Weekly
B. Monthly
C. Daily and monthly
D. Yearly
Rationale: OSHA standards mandate both daily pre-use and monthly
formal inspections.
8. A load chart is used to determine:
A. Crane speed
B. Operator skill level
C. Maximum safe load at a specific radius
D. Site safety procedures
Rationale: The load chart provides the maximum allowable load
based on boom length and radius.
, 9. Which of the following is an example of a critical lift?
A. Lifting light materials
B. Moving materials horizontally
C. Lifting a load over personnel
D. Testing the crane
Rationale: A critical lift involves higher risk, such as lifting over
personnel or near hazards.
10. What should be done if the crane begins to sway during a lift?
A. Increase speed
B. Move the load faster
C. Stop the lift immediately
D. Signal the crew to hold the load
Rationale: Swaying indicates instability, and lifting must stop
immediately to prevent accidents.
11. Which is the safest way to store crane slings?
A. On the ground
B. Hanging on nails
C. On a designated sling rack, dry and protected
D. In direct sunlight
Rationale: Slings must be stored off the ground and protected from
elements to prevent damage.
12. The working load limit (WLL) of a rigging device is:
A. Twice the rated load
B. Half the rated load
C. The maximum load it can safely lift
D. The minimum load it can lift
Rationale: WLL is the maximum safe load the equipment can handle.
13. Which of the following is a key component of a rigging plan?
A. Project budget
B. Load weight, center of gravity, and lift path
C. Operator shift schedule
D. Site cleanup plan
Rationale: Rigging plans ensure safe lifting by specifying load details
and lift procedures.