NCCCO Hand Signals & Communication Protocols 4

Question 1

When a signalperson loses sight of the crane operator during a lift, what is the correct action?

Accepted Answer

Signal STOP immediately and establish a relay signalperson

Answer

When direct visual contact is lost, the signalperson must signal STOP and arrange a relay system before the lift continues.

Question 2

What does a signalperson do with their fist to signal 'Dog Everything'?

Accepted Answer

Place fist on top of head

Answer

The 'Dog Everything' (stop all motion) hand signal is made by placing the fist on top of the head.

Question 3

During a tandem lift, how should communication be coordinated between two crane operators?

Accepted Answer

One designated signalperson directs both cranes using a pre-agreed channel

Answer

Tandem lifts require a single designated signalperson who directs both cranes to ensure coordinated, safe movement.

Question 4

What hand signal instructs the operator to move the load horizontally toward the signalperson?

Accepted Answer

Arm extended, palm facing body, beckoning motion

Answer

A beckoning motion with the palm facing the body signals the operator to travel or swing the load toward the signalperson.

Question 5

Which signal immediately supersedes all other signals given during a crane operation?

Accepted Answer

STOP signal from any person on site

Answer

ANSI/ASME standards state that a STOP signal must be obeyed immediately regardless of who gives it.

NCCCO (National Commission for the Certification of Crane Operators) Practice Test