NCCER Crane Signal Person & Communication 2

Question 1

To signal 'lower the load,' the signal person should:

Accepted Answer

Arm extended downward, forefinger pointing down, moving hand in small circles

Answer

Arm extended upward, palm facing down, pressing downward

Answer

Both arms pointing straight downward at sides

Answer

Wave both hands in a sweeping downward arc

Question 2

How does the signal person indicate 'swing' to the crane operator?

Accepted Answer

One arm extended, forefinger pointing in the desired direction of swing

Answer

Both arms swept in a wide arc overhead

Answer

Both hands waving horizontally from side to side

Answer

A circular motion with one finger at chest level

Question 3

The hand signal for 'raise the boom' is:

Accepted Answer

Arm extended, fingers closed, thumb pointing upward

Answer

Arm raised overhead with open palm facing up

Answer

Forefinger pointed upward moving in a circular pattern

Answer

Both thumbs pointed upward simultaneously

Question 4

What does the signal for 'extend boom' (telescoping) look like?

Accepted Answer

Both fists in front of body with thumbs pointing outward

Answer

One fist raised, thumb pointing up

Answer

Arms spread wide to each side at shoulder height

Answer

One arm extended horizontally with wrist rotating

Question 5

How is the 'move slowly' signal given in crane operations?

Accepted Answer

Hold one hand stationary below the other hand that is giving the motion signal

Answer

Perform the desired motion signal in slow motion only

Answer

Wave a flag slowly from side to side before signaling

Answer

Tap the helmet twice before giving any motion command

Question 6

Before giving movement commands, the signal person taps a fist on top of their head. This indicates:

Accepted Answer

Use the main hoist for the following movement

Answer

Emergency stop — all movement must cease immediately

Answer

The load is secured and ready to travel

Answer

Switch to radio communication mode

Question 7

Where should the signal person be positioned during a crane lift?

Accepted Answer

Where they have clear line of sight to both the load and the crane operator

Answer

Behind the load to get the best overall view of the swing area

Answer

At the designated landing zone to guide the final placement

Answer

At least 100 feet away from the crane for safety