Exam (elaborations)
NCCCO LATTICE BOOM CRAWLER CRANE
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NCCCO LATTICE BOOM CRAWLER CRANE
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NCCCO TELESCOPIC BOOM CRANE- SWINGCAB(TLL)
A crane is operating with a long boom, on outriggers, on uneven ground. Under
these conditions it is important to - 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? - ANSWER Indicates the extended
length of boom
According to OSHA 1926 subpart cc, floats/pads must be fastened to the
outrigger/stabilizers when - ANSWER They are in use
A crane's jib is offset 15 degrees versus it's original 0 degree offset and the boom
angle remains unchanged, the load radius will - ANSWER Increase
When leaving telescopic boom cranes unattended overnight or for longer periods,
the boom should be - ANSWER Fully retracted and stowed
On a telescopic boom truck crane that has all 5 outriggers properly positioned, the
working area diagram will indicate the "over front" area is - ANSWER Determined by
the crane manufacturer
According to OSHA 1926 subpart cc, who determines if a crane can be used for pick
and carry operations? - ANSWER The manufacturer
According to OSHA 1926 subpart cc, what function does the holding valve on a
vertical outrigger jack perform? - ANSWER Hold pressure in the vertical ram if a
hydraulic connection fails
When a crane's telescopic boom sections are required to be extended equally, and
the are not, the - 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 - ANSWER Effective weight
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 - ANSWER A. A fire extinguisher
A carrier-mounted crane that is set up on outriggers should have the tires on the
carrier - 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 - ANSWER Side at short radius
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