Category 3 Non-Cab Operated
Crane Safety Exam Questions With
Complete Solutions
Bridge cranes with rated capacities of 20,000 lbs. or greater are classified as ______
cranes - ANSWER- Category 2
The expiration date that is of particular importance to crane operators is - ANSWERThe certification expiration date of the crane
Who is primarily responsible for evaluating a Crane Operators physical and emotional
fitness? - ANSWER- crane operator
A monorail hoist with less than 20,000 lbs. capacity is a ________________ crane. -
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 ____________. -
ANSWER- load controlling parts
All of the following require a license to operate EXCEPT a: - ANSWER- Non-cab
operated category 3-bridge crane
What is two-blocking and why is two-blocking dangerous? - 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: - ANSWER- Base
x Height divided by 2
When are operators required to perform a pre-use check of the crane? - ANSWERPrior to the first use of the crane each day
Regardless of the method of communication used all crane signals must be
____________________. - ANSWER- clear
Synthetic web slings should NOT be used in areas where temperatures exceed 194
degrees Fahrenheit. - ANSWER- True
If an object is 6 feet long, 5 feet wide, and 4 feet high, what is the volume of the object?
- ANSWER- 120 cubic feet
Is it necessary for the operator to see the load or work area? - 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"? - ANSWER- Performing a motion very slowly, a little at a time
The majority of crane accidents are attributed to which of the following? - ANSWERPersonnel 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? - 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? -
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