TEST
Bridge cranes with rated capacities of 20,000 lbs. or greater are classified as ______ cranes -
ANSCategory 2
The expiration date that is of particular importance to crane operators is - ANSThe certification
expiration date of the crane
Who is primarily responsible for evaluating a Crane Operators physical and emotional fitness -
ANScrane operator
A monorail hoist with less than 20,000 lbs. capacity is a ________________ crane. -
ANSCategory 3
Components that control, restrain, or position the load, and upon failure would cause dropping,
shifting or uncontrolled movement of the loads are ____________. - ANSload controlling parts
All of the following require a license to operate EXCEPT a: - ANSNon-cab operated category
3-bridge crane
What is two-blocking and why is two-blocking dangerous? - ANSTwo-blocking occurs when the
hook block comes in contact with the upper sheave block during hoisting of the hook. It is
dangerous because it could result in damage to the crane, parting of the hoist lines, and
dropping the load.
The formula for determining the area of a triangular shaped object is: - ANSBase x Height
divided by 2
When are operators required to perform a pre-use check of the crane? - ANSPrior to the first
use of the crane each day.
Regardless of the method of communication used all crane signals must be
____________________. - ANSclear
Synthetic web slings should NOT be used in areas where temperatures exceed 194 degrees
Fahrenheit. - ANSTrue
If an object is 6 feet long, 5 feet wide, and 4 feet high, what is the volume of the object? -
ANS120 cubic feet
, Is it necessary for the operator to see the load or work area? - ANSNot if there is a designated
signal person who is in control of the lift and is in view of the operator, or if the signal giver is in
constant radio contact with the operator.
What is "inching"? - ANSPerforming a motion very slowly, a little at a time
The majority of crane accidents are attributed to which of the following? - ANSPersonnel error
Crane operators at naval activities may be required to operate various types of cranes for which
they hold a license. Which of the following can best assure operator proficiency and safety? -
ANSBe familiarized by a qualified person before operating the crane for the first time
Which of the following is NOT an acceptable method of communication between the signal
person and the crane operator? - ANSSignal Flags
Which of the following is used with a physical locking device placed at the energy source? -
ANSLockout Tag
Which of the following is considered to be the best way the operator can ensure the crane is
safe to operate on any given day? - ANSPerform Daily Pre-use Checks
When crane accidents happen, you must do all of the following EXCEPT: - ANSContinue to
operate the crane until all lifts are completed
Components that provide protection for operation and maintenance personnel working on or in
the path of cranes. - ANSGeneral Safety Devices
If the crane operator and the rigger in charge disagree on whether or not a load is safe to lift the
operator should: - ANSnot operate the crane until contacting the supervisor to resolve the issue.
Components that support the load, and upon failure would cause dropping or uncontrolled
lowering of the load are ____________. - ANSload bearing parts
What is meant by "skewing"? - ANSWhere one end of the bridge gets ahead of the other end,
frequently causing binding on the rails.
What are the principal parts of an overhead traveling crane? - ANSBridge girders, end trucks,
trolley, and operator's cab or pendant control
Why shall sudden starts and stops of the bridge and trolley be avoided? - ANSSudden starts
and stops could cause the trolley or bridge to derail