ANSWERS
Bridge cranes with rated capacities of 20,000 lbs. or greater are classified as ______ cranes - CORRECT
ANSWER✅✅Category 2
The expiration date that is of particular importance to crane operators is - CORRECT ANSWER✅✅The
certification expiration date of the crane
Who is primarily responsible for evaluating a Crane Operators physical and emotional fitness - CORRECT
ANSWER✅✅crane operator
A monorail hoist with less than 20,000 lbs. capacity is a ________________ crane. - CORRECT
ANSWER✅✅Category 3
Components that control, restrain, or position the load, and upon failure would cause dropping, shifting
or uncontrolled movement of the loads are ____________. - CORRECT ANSWER✅✅load controlling
parts
All of the following require a license to operate EXCEPT a: - CORRECT ANSWER✅✅Non-cab operated
category 3-bridge crane
What is two-blocking and why is two-blocking dangerous? - CORRECT ANSWER✅✅Two-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: - CORRECT ANSWER✅✅Base x
Height divided by 2
When are operators required to perform a pre-use check of the crane? - CORRECT ANSWER✅✅Prior to
the first use of the crane each day.
, Regardless of the method of communication used all crane signals must be ____________________. -
CORRECT ANSWER✅✅clear
Synthetic web slings should NOT be used in areas where temperatures exceed 194 degrees Fahrenheit. -
CORRECT ANSWER✅✅True
If an object is 6 feet long, 5 feet wide, and 4 feet high, what is the volume of the object? - CORRECT
ANSWER✅✅120 cubic feet
Is it necessary for the operator to see the load or work area? - CORRECT ANSWER✅✅Not 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"? - CORRECT ANSWER✅✅Performing a motion very slowly, a little at a time
The majority of crane accidents are attributed to which of the following? - CORRECT
ANSWER✅✅Personnel 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? - CORRECT
ANSWER✅✅Be 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? - CORRECT ANSWER✅✅Signal Flags
Which of the following is used with a physical locking device placed at the energy source? - CORRECT
ANSWER✅✅Lockout 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? - CORRECT ANSWER✅✅Perform Daily Pre-use Checks