Crane Operators Signalperson Certification
(UA Crane Signal Person) Exam Questions
and Answers
Before beginning operations using voice signals, the lift director, signal person
and _______________. must contact each other and agree upon the task and
voice signals to be used. - ANSWER>>crane operator
When performing voice signals, they must be clear, consistent and ___________
to allow the operator to understand the signals given. - ANSWER>>audible
If the operator cannot hear or understand the signals given, they are required to
________________. - ANSWER>>stop
If the operator sees something dangerous, they are required to
_______________. - ANSWER>>stop and communicate with the signal person
The operator is required to follow a stop or emergency stop from
___________________. - ANSWER>>anyone
The language used during voice communications must be ___________________.
- ANSWER>>understood by all involved in the operation
When using voice signals, all directions must be given from the
__________________. - ANSWER>>operator's perspective
,Before starting operations with electronic devices, they shall be tested to ensure
that signals are __________________. - ANSWER>>clear
reliable
on a dedicated channel
An exception to a dedicated channel includes _______________________. -
ANSWER>>the lift has more than one crane involved
the lift has more than one signal person involved
a dedicated spotter is being used
The crane operator's reception of voice signals must be ______________. -
ANSWER>>hands free
What is the first element in giving a voice signal? - ANSWER>>function and
direction
What is the second element in giving a voice signal - ANSWER>>distance and/or
speed
What is the third element in giving a voice signal - ANSWER>>function stop
Voice signals are required to be ____________________ throughout the duration
of requested movement. - ANSWER>>maintained
Distances used in the second element should be ______________________. -
ANSWER>>given in decreasing numbers
If a load movement has been planned, do not deviate from that plan unless the
__________________ is (are) consulted. - ANSWER>>lift director and crane
operator
If using an audible signal to direct crane movements, how is "STOP" signaled? -
ANSWER>>1 short sound
, If using an audible signal to direct crane movements, how is "Drive Forward"
signaled? - ANSWER>>two short sounds
If using an audible signal to direct crane movements, how is "Drive Backwards"
signaled? - ANSWER>>3 short sounds
The approval of a non standard signal must be understood and approved by the
operator, signal person, and ______________. - ANSWER>>the lift director
If the safe working radius of the crane is exceeded, the crane may _____________
- ANSWER>>tip over and have structural failure
The horizontal distance from the rotation pin of the crane to the center of gravity
of the load is called the __________________. - ANSWER>>Radius
What are 4 actions that a crane may take that can increase the radius of the
crane? - ANSWER>>Extend boom
Lower boom
Swing fast
hoist with boom deflection
The angle of the boom is always measured from ________________ to crane
boom. - ANSWER>>the horizontal
Crane booms are best designed to resist ______________________, while lower
boom angles can cause them to bend. - ANSWER>>compression
The temporary bending of a boom while under a rated load is called
________________. - ANSWER>>deflection
The unintentional movement of the load after the crane has stopped movement
is called ________________. - ANSWER>>drift