NCCER Crane Signal Person & Communication 3

Question 1

When radio communication is used, what must occur before the signal person issues movement commands?

Accepted Answer

The operator must acknowledge receiving the signal person's identity

Answer

When using radio communication, the operator must acknowledge the signal person's identity to confirm a clear communication channel before movement commands are given.

Question 2

If radio communication fails unexpectedly during an active crane lift, the operator should:

Accepted Answer

Stop all crane operations immediately until communication is restored

Answer

Loss of communication requires an immediate stop because the operator cannot receive safe guidance without contact with the signal person.

Question 3

Under OSHA standards, a signal person is NOT required when:

Accepted Answer

The operator has full clear view of the load and path, and no personnel are in the hazard area

Answer

OSHA 1926.1419 does not require a signal person when the operator can see the load and its entire path and no workers are in the hazard zone.

Question 4

What must be established between the operator and signal person BEFORE any lift begins?

Accepted Answer

A mutual understanding of the signals and communication method to be used

Answer

The operator and signal person must agree on and fully understand the signaling method before the lift begins to ensure unambiguous communication.

Question 5

The 'travel' signal for a crawler crane moving on both tracks is given by:

Accepted Answer

Both fists in front of the body making circular motions about each other

Answer

Both-track travel for a crawler crane is signaled with both fists in front making circular motions, representing the rotating movement of both tracks.

(NCCER Crane) National Center for Construction Education and Research Crane Certification Practice Test

(NCCER Crane) National Center for Construction Education and Research Crane Certification Practice Test

NCCER Crane Signal Person & Communication 3