Free MASS Test Standard Hand Signals Questions and Answers 1 — Questions and Answers
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?
- Swing the boom
- Lower the load
- Stop all movement
- Lower the boom (Correct answer)
Correct answer: Lower the boom
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?
- Swing the load rapidly
- Perform an Emergency Stop (Correct answer)
- Travel the machine forward
- Dog everything
Correct answer: Perform an Emergency Stop
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?
- Both fists in front of the body with thumbs pointing outward.
- One arm extended vertically with the index finger making small circles.
- Both fists in front of the body with thumbs pointing toward each other. (Correct answer)
- One arm extended horizontally, palm down, swinging back and forth.
Correct answer: Both fists in front of the body with thumbs pointing toward each other.
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?
- Hoist using the auxiliary line
- Stop hoisting
- Hoist the load and raise the boom simultaneously
- Move slowly (Correct answer)
Correct answer: Move slowly
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?
- Extend one arm forward with the hand open in a pushing motion.
- Rotate both fists around each other in front of the body in a forward direction. (Correct answer)
- Raise one fist to lock a track and circle the other fist.
- Point the index finger in the direction of travel.
Correct answer: Rotate both fists around each other in front of the body in a forward direction.
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.
Question 6: Which of the following descriptions accurately represents the standard hand signal for 'Swing'?
- Arm extended vertically, index finger pointing up, making small circles.
- Both arms extended horizontally, palms down, swinging back and forth.
- Arm extended horizontally, with the index finger pointing in the direction the boom is to move. (Correct answer)
- Arm extended with thumb pointing up, flexing fingers in and out.
Correct answer: Arm extended horizontally, with the index finger pointing in the direction the boom is to move.
The standard hand signal for 'Swing' is to extend the arm horizontally and point the index finger in the direction that the boom should swing.
Free MASS Test Standard Hand Signals Questions and Answers 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?