CATEGORY 3 NON-CAB OPERATED CRANE SAFETY EXAM
Category 3 Non-Cab Operated Crane Safety
QUESTIONS AND ANSWERS||VERIFIED AND WELL DETAILED
Study online at https://quizlet.com/_hisg2a
ANSWERS ||LATEST EXAM 2025/2026
1. What may cause the bridge to skew Wheel slippage on one side only be-
cause of a slippery track, or a heavy
load suspended from one end of the
bridge.
2. What is two-blocking and why is two-blocking Two-blocking occurs when the hook
dangerous? block comes into contact with the up-
per 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 drop-
ping the load.
3. What is the formula for determining the area of Base x Height divided by 2
a triangular shaped object?
4. When is it permissible for an operator to leave The operator shall remain at the con-
the controls of a crane while a load is suspend- trols at all times while a load is sus-
ed from the hook? pended from the hook.
5. Regardless of the method of communication Clear
used, all crane signals must be
6. What is the weight of a 24 square foot, 2 inch 720lbs
thick aluminum plate with a unit weight of 15
lbs. per square foot of material per inch of
thickness?
7. Synthetic web slings should NOT be used in True
areas where temperatures exceed 194 degrees
Fahrenheit.
8. Complex and Non-Complex
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, Category 3 Non-Cab Operated Crane Safety
Study online at https://quizlet.com/_hisg2a
Which of the following identifies the two cate-
gories of crane lifts?
9. What is inching? Performing a motion very slowly, a lit-
tle at a time
10. While performing a pre-use check, the operator Size and grade of wire rope
must check the wire rope system for all of the
following except?
11. Crane operators at naval activities may be re- Be familiarized by a qualified person
quired to operate various types of cranes for before operating the crane for the first
which they hold a license. Which of the follow- time
ing can best assure operator proficiency and
safety?
12. What is the minimum amount of rope that shall 2 full wraps, 3 full wraps
be on a grooved drum and a smooth drum?
13. Which of the following is used with a physical Lockout tag
locking device placed at the energy source?
14. Components that affect the safety and capa- Operational safety devices
bility of the WHE by stopping or limiting the
operation when activated are
15. When crane accidents happen, you must do all Continue to operate the crane until all
of the following except? lifts are completed
16. Components that provide protection for oper- General Safety Devices
ation and maintenance personnel working on
or in the path of cranes.
17. Stop or Emergency Stop
2/8
Category 3 Non-Cab Operated Crane Safety
QUESTIONS AND ANSWERS||VERIFIED AND WELL DETAILED
Study online at https://quizlet.com/_hisg2a
ANSWERS ||LATEST EXAM 2025/2026
1. What may cause the bridge to skew Wheel slippage on one side only be-
cause of a slippery track, or a heavy
load suspended from one end of the
bridge.
2. What is two-blocking and why is two-blocking Two-blocking occurs when the hook
dangerous? block comes into contact with the up-
per 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 drop-
ping the load.
3. What is the formula for determining the area of Base x Height divided by 2
a triangular shaped object?
4. When is it permissible for an operator to leave The operator shall remain at the con-
the controls of a crane while a load is suspend- trols at all times while a load is sus-
ed from the hook? pended from the hook.
5. Regardless of the method of communication Clear
used, all crane signals must be
6. What is the weight of a 24 square foot, 2 inch 720lbs
thick aluminum plate with a unit weight of 15
lbs. per square foot of material per inch of
thickness?
7. Synthetic web slings should NOT be used in True
areas where temperatures exceed 194 degrees
Fahrenheit.
8. Complex and Non-Complex
1/8
, Category 3 Non-Cab Operated Crane Safety
Study online at https://quizlet.com/_hisg2a
Which of the following identifies the two cate-
gories of crane lifts?
9. What is inching? Performing a motion very slowly, a lit-
tle at a time
10. While performing a pre-use check, the operator Size and grade of wire rope
must check the wire rope system for all of the
following except?
11. Crane operators at naval activities may be re- Be familiarized by a qualified person
quired to operate various types of cranes for before operating the crane for the first
which they hold a license. Which of the follow- time
ing can best assure operator proficiency and
safety?
12. What is the minimum amount of rope that shall 2 full wraps, 3 full wraps
be on a grooved drum and a smooth drum?
13. Which of the following is used with a physical Lockout tag
locking device placed at the energy source?
14. Components that affect the safety and capa- Operational safety devices
bility of the WHE by stopping or limiting the
operation when activated are
15. When crane accidents happen, you must do all Continue to operate the crane until all
of the following except? lifts are completed
16. Components that provide protection for oper- General Safety Devices
ation and maintenance personnel working on
or in the path of cranes.
17. Stop or Emergency Stop
2/8
