Mobile Crane Questions Test #2 With
Complete Solutions
A crane hooks throat opening must not exceed:
Correct Answers 15% of its original size.
A frequent inspection is: Correct Answers Daily to
monthly.
A periodic inspection is: Correct Answers Monthly
to annually..
A truck crane, with outriggers properly set, is rated
at what percentage of its tipping capacity? Correct
Answers 85%
Backward stability of a crane is tested with:
Correct Answers Basic boom at maximum angle
with no load.
Crane hooks must not be twisted in excess of:
Correct Answers 10º
, Cranes idle for less than 6 months must have what
type of inspection performed? Correct Answers
Frequent.
Cranes idle for more than 6 months must have
_________ inspections performed. Correct Answers
Frequent and periodic.
Cranes lifting personnel platforms must have an
inspection performed every: Correct Answers Day.
Cranes must be level to within ___% grade. Correct
Answers 1%
During disassembly of a long boom, the pendant
lines are connected at the maximum cantilever
point, and the boom is slightly lifted off the ground,
Which pins are to be removed next? Correct
Answers The bottom pins ahead of the cantilever
point.
Final power is transferred to the swing through a:
Correct Answers Pinion Gear.
Complete Solutions
A crane hooks throat opening must not exceed:
Correct Answers 15% of its original size.
A frequent inspection is: Correct Answers Daily to
monthly.
A periodic inspection is: Correct Answers Monthly
to annually..
A truck crane, with outriggers properly set, is rated
at what percentage of its tipping capacity? Correct
Answers 85%
Backward stability of a crane is tested with:
Correct Answers Basic boom at maximum angle
with no load.
Crane hooks must not be twisted in excess of:
Correct Answers 10º
, Cranes idle for less than 6 months must have what
type of inspection performed? Correct Answers
Frequent.
Cranes idle for more than 6 months must have
_________ inspections performed. Correct Answers
Frequent and periodic.
Cranes lifting personnel platforms must have an
inspection performed every: Correct Answers Day.
Cranes must be level to within ___% grade. Correct
Answers 1%
During disassembly of a long boom, the pendant
lines are connected at the maximum cantilever
point, and the boom is slightly lifted off the ground,
Which pins are to be removed next? Correct
Answers The bottom pins ahead of the cantilever
point.
Final power is transferred to the swing through a:
Correct Answers Pinion Gear.
