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NCCCO Final Test Exam Questions with Solutions
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NCCCO Final Test Exam Questionswith Solutions
A truck crane is set up on outriggers. The part of the load chart governed by
stability is based on what percentage of the cranes capacity? - -85%
-According to ASME, what percentage of the manufacturer's crane rating
must not be exceeded if a load test is done on a repaired crane? - -100%
-According to OSHA 29 CFR 1910.180, how accurate must a load weight be if
it is in the structural portion of the load chart? - -Plus of minus 10%
-According to OSHA, when can an operator leave his seat with a suspended
load in the air? - -Almost never (and the exception requires that four
conditions be met)
-According to OSHA, which accessible area of an operating crane must
always be barricaded? - -The swing radius of the rear of the rotating
superstructure
-Based on OSHA and ASME standards, which of the following conditions are
required for blocking or cribbing? - -• Blocking/Cribbing must provide 100%
support for each float,
• Must be large enough in area² to prevent sinking,
• Must be strong enough to prevent crushing, bending, or shear failure.
-Blocking (Cribbing) may be placed under outrigger beams: - -Never.
-From which two points should the boom be measured? - -From the boom
hinge pins, to the center of the boom tip sheave
-How does the use of outriggers increase the tipping capacity of a crane? - -
By moving the tipping axis further from the center of gravity of the crane
-How should the wheels of a crane be positioned when it is set up for
working on outriggers? - -Just high enough off the ground to relieve the tires
of crane weight
-If the operator makes two audible signals when moving a crane, he/she
intends to ______________ - -Go ahead
-In which quadrant are rough terrain crane capacities generally greater? - -
Over the front
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