NCCER Crane Signal Person & Communication

Question 1

According to OSHA 29 CFR 1926.1419, which qualification must a signal person demonstrate?

Accepted Answer

The ability to properly communicate with the operator using the established signaling method

Answer

A valid crane operator's license from an accredited body

Answer

At least five years of construction field experience

Answer

A rigging certification from NCCCO

Question 2

Under OSHA regulations, a signal person is required when:

Accepted Answer

The operator does not have a clear and direct view of the load or the load's path of travel

Answer

The load exceeds 5,000 pounds

Answer

The crane is operating at more than 75% of its rated capacity

Answer

The lift is performed during nighttime hours

Question 3

The hand signal for an emergency stop in crane operations is:

Accepted Answer

Both arms extended horizontally, palms down, waving rapidly side to side

Answer

One arm raised with fist closed, held stationary

Answer

Both hands crossed over the head

Answer

A single sharp blast on a whistle

Question 4

What does clasping both hands together in front of the body signal to the crane operator?

Accepted Answer

Dog everything — cease all crane operations

Answer

Raise the load slowly

Answer

Travel in the direction the hands point

Answer

Lower the boom to the resting position

Question 5

During a lift, who is the ONLY person authorized to give movement signals to the crane operator?

Accepted Answer

The designated signal person

Answer

The lift supervisor standing on the ground

Answer

Any trained worker in the immediate lift zone

Answer

The crane company's on-site foreman

Question 6

The standard hand signal to hoist (raise) a load is:

Accepted Answer

Forefinger pointing up with forearm vertical, moving hand in small horizontal circles

Answer

Arm extended upward with open palm facing up

Answer

Thumb pointing up with fist closed

Answer

Both arms raised overhead simultaneously

Question 7

If a signal person loses sight of the load during an active lift, they should:

Accepted Answer

Signal an immediate stop until visibility of the load is regained

Answer

Signal the operator to continue at a reduced speed

Answer

Have a nearby worker verbally guide the operator

Answer

Switch to radio communication to describe the load's estimated position