Welcome to your Mobile Crane Signal Person Practice Test. Take the test and find out how well prepared you are!

1. With your fingers closed and your thumb extended pointing toward the ground, this indicates what to the crane operator?

Not a good idea or move

Stop movements immediately

Lower the boom

2. With both palms up and together, all fingers closed, and both thumbs extended pointing away from where your palms are touching indicates that the crane operator should?

Dog everything

Extend the boom

That he should look to his left and right

3. Taking your fist and knocking the top of your head means

Main hoist

Pay attention

Unsafe lifting conditions

4. During all crane operations, ASME B30.5 states that communications shall be maintained

Off and on

Continuously

Only when needed

5. Boom deflection is created when upon lifting the load off of the ground

The boom moves lower towards the ground

The load releases and drops

The load swings away from the crane increasing its radius

6. It is of critical importance that the hoist line/lines are _____ when the load leaves the ground

Lubricated

Properly labeled

Vertical in all directions

7. Quadrants of operation _____.

Are safe locations on the job site

May dramatically affect the stability of a crane

Indicate where unsafe conditions are located

8. While moving a load, the signal person directing the lift shall see that

Proper slings or other lifting attachments are being used

All debris from the cab of the crane is removed

No employees are under load or in swing path

9. Prior to signaling crane operations, all signalpersons shall be tested by a qualified person and have demonstrated their qualifications in the following areas

Standard hand signals, job site safety, and passed a DOT physical

Standard hand signals only

Standard hand signals, basic crane operation and limitations, and standard voice signals

10. Each voice signal shall contain three elements given in the following order

Function and direction, distance and/or speed, function stop

Function start, direction up or down, direction left or right

Function to boom out or in, wind speed, release load

11. Who can issue a “stop” for crane operation?

Operator

Signal person

Worksite foreman

All of the above

12. If communications between the signal person and crane operator are interrupted:

the operation must slow down

the operation must speed up and finish

the operation must cease

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