Overhead Crane Test Questions and Answers Fully Solved 100%
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Course
Overhead Crane
Institution
Overhead Crane
According to OSHA, how many wraps must be left on the hoist drum of an overhead
crane with the hook at its lowest position? - Answer-3 wraps
Before leaving an overhead crane unattended, attached loads should be? - Answerlowered to the floor
A floor weight limitation is posted at 700 pounds per s...
Overhead Crane Test
According to OSHA, how many wraps must be left on the hoist drum of an overhead
crane with the hook at its lowest position? - Answer-3 wraps
Before leaving an overhead crane unattended, attached loads should be? - Answer-
lowered to the floor
A floor weight limitation is posted at 700 pounds per square foot maximum. Before
lowering a load down onto this floor that is calculated at 900 pounds per square foot,
what must be done? - Answer-install cribbing to increase surface bearing area
An object to be lifted is rectangular in shape and measures 5' long x 3' wide x 2' high.
What is the volume of this object? - Answer-30 cubic feet
According to O.S.H.A. frequent Inspections shall be performed when? - Answer-daily to
monthly
According to ASME B30.2 a frequent inspection must be performed by a? - Answer-
designated person
According to ASME B30.2, the maximum twist of the hook can't exceed? - Answer-10
degrees
When inspecting electrical contacts, what are the signs they are bad? - Answer-pitted or
burned
According to ASME B30.2, what type of fire extinguisher is required for overhead
cranes? - Answer-10BC
Before using your hand to steady any load, you should? - Answer-follow company policy
According to OSHA, the rated capacity of all overhead cranes shall be? - Answer-clearly
marked on the side of the crane
Overhead cranes with more than one hoisting unit shall have what? - Answer-its rated
load marked on it
What is the purpose of the "E" (Emergency) stop on an overhead crane? - Answer-
removes power to entire crane
How often does O.S.H.A. require a written wire rope inspection? - Answer-once a month
, Most loads should be rigged to within how many degrees of level? - Answer-five
According to ASME B30.2, what is the safety factor for rigging? - Answer-5 to 1
When attaching spreaders to any load, you must keep in mind of what? - Answer-the
lower the spreader angle the greater the tension
What is the order of hitch strength? - Answer-basket, vertical, choker
According to OSHA, the maximum hook throat opening must not exceed what? -
Answer-15% of its original size
How many cubic feet is in a rectangular object that measures 5 ft. X 3 ft. X 2 ft.? -
Answer-30 cubic feet
An object weighs 150 lbs per cubic foot and measures 4 ft. X 3 ft. X3 ft., what is its
weight? - Answer-5,400 lbs
The upper limit switch of all overhead cranes shall be tested every? - Answer-shift
What is the vertical movement of an overhead crane is controlled by? - Answer-hoist
controller
A swinging load should be controlled by the? - Answer-bridge and trolley controller
What should be the first step in a daily inspection of an overhead crane? - Answer-
check the main switch
What should be done with an unbalanced load? - Answer-lower load to the floor
When making a lift, where should the load block be positioned? - Answer-vertically over
the load's center of gravity
When energizing the crane, the controller should be in what position? - Answer-neutral
According to A.S.M.E., warning signals shall be given when? - Answer-starting and
during movement
According to A.S.M.E.B30.2, an overhead crane equipped with a lower limit device can
have how many wraps left on the drum at its lowest point? - Answer-one
According to O.S.H.A., when is the proper time to check the hoist brake? - Answer-
during the first lift
In the event of an emergency, who may give the stop signal? - Answer-anyone
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