NCCCO Core Mobile Crane sample
Exam Question and Answers |
Rated A+ Latest 2024/2025
What should you do on pick and carry operations?
- Correct Answer - Keep the boom as short as possible
What boom position would cause the greatest ground pressure when
lifting with crawler cranes?
- Correct Answer - Over the corner
Where should the hook be positioned when preparing to hoist a light
load?
- Correct Answer - Directly above the load's center of gravity
According to OSHA 1926.1408, what minimum clearance must be
maintained between any part of the crane/load and 850kV energized
overhead power lines.
- Correct Answer - 45 ft.
How many parts of line are required to hoist a 36,500 lb. load if the
maximum allowable line pull is 9,000 lbs.?
,- Correct Answer - 5
What determines the amount of deduction required for an erected jib that
is not being used?
- Correct Answer - The effective weight of the jib
What capacity should you use when the boom length of the crane falls
between the lengths listed in the load chart?
- Correct Answer - The next longest or the next shortest boom length,
whichever is the lower capacity
When is it okay to temporarily bypass a crane's overload warning
system?
- Correct Answer - During assembly/disassembly operations
What happens to the leverage of the load on a crane as the boom is
being lowered?
- Correct Answer - It increases
Where are the Standard Method hand signals found?
- Correct Answer - OSHA Subpart CC
, What should an operator do if a crane's load moment indicator (LMI)
malfunctions?
- Correct Answer - Cease crane operations and report the condition to
the supervisor
The primary purpose for a rooster sheave or Auxiliary boom point
sheave is to:
- Correct Answer - Separate the hoist lines
What is the minimum allowable distance from the crane and power lines
under 50k
- Correct Answer - 10 ft.
When an operator leaves the crane, he must first:
- Correct Answer - ANSI B30.5-3.1.2, Put the load on the ground and put
all dogs or pawls in.
According to OSHA 1926.1431(k)(8)(i) personnel platform lift shouldn't
be made with wind in excess of:
- Correct Answer - 20 MPH
1926.1431(k)(8)(i)
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