NCCCO TELESCOPIC BOOM CRANE- SWING
CAB (TLL) EXAM QUESTIONS AND
ANSWERS
A crane is operating with a long boom, on outriggers, on uneven ground. Under
these conditions it is important to - correct-answer -Block under the float or pad
to achieve a 90 degree angle between the cylinder rod and the float or pad
What is the purpose of a boom length indicator? - correct-answer -Indicates the
extended length of boom
When a crane's telescopic boom sections are required to be extended equally, and
the are not, the - correct-answer -Longest section can be overloaded
With the boom extension mounted on the boom tip, the main boom rating must
be reduced to compensate for the boom extension's - correct-answer -Effective
weight
, 2
According to OSHA 1926.1433, which of the following must be on the crane?
A. A fire extinguisher
B. Anti two-block warning system
C. Battery disconnect switch
D. Vehicle identification number - correct-answer -A. A fire extinguisher
A carrier-mounted crane that is set up on outriggers should have the tires on the
carrier - correct-answer -Off the supporting surface
When a rough terrain crane is working on tires, backward tipping is most likely to
occur when the unloaded boom is position over the - correct-answer -Side at
short radius
When performing pick and carry operations with a rough terrain crane, you should
keep the load - correct-answer -Positioned over the front of the carrier
In which outrigger configuration would a crane be the most susceptible to tipping
from a rapidly swinging load? - correct-answer -Outriggers up and in