Free MASS Test Standard Hand Signals Questions and Answers 1

Question 1

A signal person on a construction site extends their arm horizontally with a closed fist and thumb pointing downward. What instruction are they giving to the hoisting machinery operator?

Accepted Answer

Lower the boom

Answer

According to OSHA and ASME B30.5 standards, the hand signal for 'Lower the Boom' is to extend the arm horizontally to the side, close the fingers into a fist, and point the thumb downward.

Question 2

An operator sees the signal person extend both arms horizontally out to their sides, palms down, and then swing both arms back and forth. Which of the following actions must the operator perform immediately?

Accepted Answer

Perform an Emergency Stop

Answer

The signal for 'Emergency Stop' involves extending both arms horizontally with palms down and swinging them back and forth. This signal requires the operator to halt all functions immediately.

Question 3

During a lifting operation, the signal person needs the operator to shorten the telescoping boom. Which of the following hand signals should be used?

Accepted Answer

Both fists in front of the body with thumbs pointing toward each other.

Answer

The standard hand signal to 'Retract Telescoping Boom' is to place both fists in front of the body at waist level with the thumbs pointing inward toward each other.

Question 4

A signal person gives the 'Hoist' signal, followed by placing one hand motionless in front of the hand giving the 'Hoist' signal. What is the intended meaning of this combined signal?

Accepted Answer

Move slowly

Answer

Placing a hand in front of the hand giving an action signal indicates that the function should be performed slowly. In this case, it means 'Hoist Slowly'.

Question 5

An operator is controlling a crawler crane and needs to move both tracks forward. What is the correct hand signal the signal person should provide?

Accepted Answer

Rotate both fists around each other in front of the body in a forward direction.

Answer

For a crawler crane, the 'Travel (Both Tracks)' signal is made by rotating both fists around each other in front of the body. The direction of rotation indicates forward or backward movement.

MASS Test Practice Test

MASS Test Practice Test

Free MASS Test Standard Hand Signals Questions and Answers 1