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Rationales 2026 Q&A | Instant Download Pdf
1. The primary responsibility of a signalperson is to:
A. Operate the crane
B. Direct crane movements safely
C. Inspect rigging hardware
D. Calculate load weight
The signalperson ensures crane movements are performed safely
by providing clear signals to the operator.
2. When giving hand signals to the crane operator, the signalperson
should:
A. Use any gestures the operator can see
B. Use standardized signals according to OSHA/NCCCO
C. Only use verbal commands
D. Only signal from inside the cab
Standardized signals reduce confusion and prevent accidents.
3. Before beginning work, the signalperson must:
A. Review weather conditions only
B. Inspect the worksite and crane path for hazards
C. Begin signaling immediately
D. Check only the load
Site inspection identifies obstacles and hazards that could
endanger operations.
,4. Which of the following is a danger when a load is swung too
quickly?
A. Faster completion of task
B. Load instability and risk of striking personnel
C. Easier rigging
D. Reduced crane wear
Swinging too quickly can cause the load to sway or strike nearby
objects.
5. When signaling a load to be raised, the signalperson should:
A. Give a thumbs-up
B. Use the “hoist” signal with one hand pointing upward
C. Wave both arms randomly
D. Verbally shout “up” only
The hoist signal communicates to the operator to lift the load
safely.
6. What is the maximum distance a signalperson should be from the
load?
A. 50 feet
B. 100 feet
C. Within a clear line of sight to both operator and load
D. 200 feet
Visibility is crucial for safe signaling; distance depends on site
layout.
7. The “emergency stop” signal is given by:
A. Waving hands slowly
B. Crossing arms above the head
C. Pointing down
, D. Clapping hands
This universally recognized signal tells the operator to stop all
crane movement immediately.
8. Which of the following can interfere with hand signals?
A. Good lighting
B. Obstructions, poor visibility, or heavy rain
C. Proper training
D. Clear line of sight
Obstacles or weather can prevent the operator from seeing signals
correctly.
9. When multiple signalpersons are required, who is responsible for
directing the crane?
A. The operator
B. The site supervisor
C. The designated lead signalperson
D. The rigging crew
Coordination by a lead signalperson ensures consistent
communication.
10. Before signaling, the signalperson should:
A. Begin immediately
B. Establish eye contact or radio communication with the
operator
C. Check the weather only
D. Check load only
Confirmation ensures the operator is attentive and ready for
commands.