Mobile Crane Questions Test #4 Questions and Answers 100% Correct
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Course
Mobile Crane Operator
Institution
Mobile Crane Operator
Mobile Crane Questions Test #4 Questions and Answers 100% CorrectMobile Crane Questions Test #4 Questions and Answers 100% CorrectMobile Crane Questions Test #4 Questions and Answers 100% CorrectMobile Crane Questions Test #4 Questions and Answers 100% Correct
Jib offset is the jib angle to the: -...
Mobile Crane Questions Test #4
Questions and Answers 100%
Correct
Jib offset is the jib angle to the: - ANSWER - Boom.
All hazards and problems that are found on the worksite should be identified: -
ANSWER - At the preoperational worksite inspection.
Which of the following OSHA regulations govern suspended personnel platforms -
ANSWER - OSHA 1926.1400(e).
According to OSHA the prohibited zone without a spotter for powerlines that are 60
kV, is: - ANSWER - 15 ft.
What percentage of gross capacity is used when lifting with more than one crane? -
ANSWER - 75%.
You are required to pass a physical exam every _______ years. According to ASME
B30.5? - ANSWER - 3 years.
How many broken wires at an end socket of a standing wire rope are allowed before
the wire rope must be replaced? - ANSWER - 1.
When operating a mobile crane, you inspect your running wire rope at least: -
ANSWER - Every shift.
When lifting a load with more than one crane, it is important to: - ANSWER - Keep
the hoist lines of both cranes vertical.
, Increasing the distance between the crane's center of gravity and the tipping axis
will: - ANSWER - Decrease stability.
The effect of a loads leverage being greater than the cranes leverage is: - ANSWER -
Instability.
Blocking under the outrigger pads/floats shall be: - ANSWER - Sufficient to support
the crane and the load.
Rotation resistant wire rope has a design factor of: - ANSWER - 5 to 1.
Line pull is: - ANSWER - The amount of weight a drum will hoist for a given layer.
Boom length is: - ANSWER - Center of the foot pins to the center of the head sheave
pins.
The weight of the stowed jib used in the load calculation: - ANSWER - Effective
weight.
A crane's rated capacity is based upon: - ANSWER - Structural and stability.
When lifting a suspended personnel platform with two or more legs the safety factor
for the rigging hardware is: - ANSWER - 5 times the intended load.
If using cranes of different rated capacities, the crane with the larger rated capacity:
- ANSWER - Should be hooked a distance closer to the loads center of gravity.
Hoist ropes that are not rotation resistant must have a design factor of: - ANSWER -
3.5 to 1.
Backward stability on a R/T crane could be a problem when the crane is working: -
ANSWER - Over the side at a minimum radius.
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