Lesson 11

Question 1

When a circular motion with the forefinger pointing up is made, and with the forearm vertical, the worker is signaling the operator to ? .

Select one:

a. lift the load
b. lower the boom and lift the load
c. raise the boom
d. raise the boom and the load

Answer 1

a. lift the load

Question 2

The signal to have the operator lower the boom and raise the load is given ? .

Select one:

a. hold both fists in front of body with thumbs pointing inward
b. with arm extended, hand open, and pushing motion made in direction away from crane
c. with arm extended, thumb pointing down, flex fingers in and out
d. with left arm extended, thumb pointing upward, right finger pointed down and rotating finger

Answer 2

c. with arm extended, thumb pointing down, flex fingers in and out

Question 3

An extended arm and forefinger tells a crane operator to ? the boom in the direction indicated.

Select one:

a. extend
b. lower
c. raise
d. swing

Answer 3

d. swing

Question 4

It is important for every crew member to clearly understand basic hand signals.

Select one:
True
False

Answer 4

True

Question 5

The person giving directions to the operator must be ? .

Select one:

a. able to give directions and speak to those around the fall zone at the same time
b. certified
c. clearly visible at all times
d. dressed in a florescent vest and wearing florescent gloves

Answer 5

c. clearly visible at all times

Question 6

There should only be ? person(s) giving the operator signals or directions.

Select one:

a. 1
b. 2
c. 3
d. 4

Answer 6

a. 1

Question 7

For an emergency stop, extend both arms with the palms ? and move the arms back and forth.

Select one:

a. down
b. out
c. perpendicular
d. up

Answer 7

a. down