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Nccco Questions and answers with 100% correct solutions | A+ Grade
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Nccco Questions and answers with 100% correct solutions | A+ Grade
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Nccco Questions and answers with 100%correct solutions | A+ Grade
As long as it causes no visible distortion that would interfere with safe operations ✔✔Under which
circumstance is a crack in the windshield of a crane cab okay?
As long as there is no less hazardous or practicable way ✔✔Under which circumstance does
OSHA permits hoisting of personnel by crane?
On-rubber chart ✔✔Unless the manufacturer states otherwise, what crane capacity chart is
appropriate when a crane is set up with 3 of its 4 outriggers extended and the fourth is retracted?
50% ✔✔According to OSHA, while hoisting personnel, the total load must not exceed what
percentage of the crane's rated capacity?"
Only with freely suspended loads ✔✔When is side loading of crane booms permitted?
He/she intends to go ahead ✔✔What is indicated if an operator makes two audible signals when
moving a crane?
Never ✔✔When may blocking (cribbing) be placed under outrigger beams?
, Makes the crane more stable ✔✔What is the result of placing timber blocking under the tips of
the tracks on a crawler crane?
100% ✔✔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?
It depends if the idler or sprocket are in line or offset from the track rollers ✔✔Where is the tipping
axis of a crawler crane located?
Not be lifted by crane ✔✔What should be done with materials placed under overhead energized
power lines?
Retract boom ✔✔What standard method hand signal is being illustrated?
At least as far back as the depth of the wall below ground ✔✔Where should the crane's outrigger
pads or tracks be placed when working at ground floor level near a cellar wall?
Just high enough off the ground to relieve the tires of crane weight ✔✔How should the wheels of
a crane be positioned when it is set up for working on outriggers?
It remains the same ✔✔What happens to ground bearing pressure if you move a crawler crane
from soft ground to harder ground?
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