LATEST UPDATE | ALREADY GRADED A+
Which of the following formulas would be used to find the volume of a rectangular or square
shaped 3 dimensional object? Length X width X height
What should be done when leaving a crane at the end of the work shift? Raise blocks into
the upper limit switch
Ensure all controls are in the neutral or "off" position
Position the crane away from boarding platforms
Secure power
The crane operator STOPS the crane whenever ________ is in question. safety
What is the purpose of a hoist limit switch? To prevent overtravel of the hook block and the
possibility of two-blocking
Knowing the load's approximate center of gravity prior to rigging or lifting a load is important:
All of the Above
What is the operator's main concern during crane operations? Operating safely
, Who can remove a danger, caution, or lockout tag? NOT All crane maintenance personnel
The person who attached the tag or his or her supervisor when they are not available
New shackles put into the weight handling equipment program are required to have all of the
following markings on, or attached to the shackles EXCEPT: Date of Manufacture
How should an operator check the hoist brakes when lifting a load? Lift the load a few inches
off the ground and stop hoisting to ensure there is no slippage of the brakes.
What are the actions required if an asterisked item on the ODCL is found unsatisfactory during
the pre-use check of the crane? Stop operation and notify engineering of the deficiency.
What is the crane communications hand signal pictured, with both arms extended, palms down,
moving arms back and forth horizontally? Trolley travel
If an object is 6 feet long, 4 feet wide, and 2" thick, what is the area of the object? 24 square
feet
What signal may an operator obey from a person other than the designated signal giver?
Stop or Emergency Stop
When should a tagline be used during lifting operations? To prevent the load from swinging
or rotating
What is "plugging"? The use of reverse power instead of a brake to slow or stop the bridge
or trolley travel