CATEGORY 3 NON-CAB OPERATED CRANE SAFETY OA
Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update!!
1) How often should you lubricate wire ropes? - Correct Answer: Every 200
operational hours
2) Where do you position the climbing gear after erecting the 12th tower
section? - Correct Answer: Lowered to bottom
3) How many safety turns must be left on the drum? - Correct Answer: 3
4) If lower wraps are not used, unwind rope and wind it back with ____% of
max load for pretension. - Correct Answer: 10%
5) Max allowable wind speed for dismantling/erection - Correct Answer:
20 mph
6) What is the proper response to an uncontrolled movement - Correct
Answer: Engaged the emergency stop button
,7) Where should main disconnect be located? - Correct Answer: Mounted
at or near the initial base of the crane
8) What is the weight of a cubic foot of steel? - Correct Answer: 490
pounds
9) What is the weight of a cubic foot of concrete? - Correct Answer: 150
pounds
10) What operations might be a risk to stability? - Correct Answer:
Pulling loads at an angle
11) On high strength bolt connections, which of the following does not
get greased? Bolt threads, nut threads, nut contact face, bolt contact face,
bolt shank. - Correct Answer: Bolt shank
12) What is the importance of properly pre-stretching high strength bolt
connections? - Correct Answer: It has a favorable effect on the fatigue
strength
13) What markings are found on high strength nuts and bolts -
Correct Answer: Strength rating & Manufacturers designation
14) How many degrees should the outrigger pad be from the jack? -
Correct Answer: 90 degrees
, 15) What is the plumb tolerance for tower cranes - Correct Answer:
1:500 or 1" in 40'
16) What are components inspected for before erection? By whom? -
Correct Answer: Components shall be inspected for damage by a
designated person
17) Extinguisher requirements for tower crane - Correct Answer: 10
ABC
18) Design factor for load hoist ropes - Correct Answer: Not less than
5
19) Design factor luffing boom hoist ropes - Correct Answer: Not less
than 3.5
20) Slices in tracks should be.. - Correct Answer: Smooth
21) You can weld on suspended loads only when... - Correct Answer:
Insulated slings are used
22) The pitch diameter of the load block sheaves shall not be less than
____ times the nominal diameter of the rope used - Correct Answer: 18
times
Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!!
Current Update!!
1) How often should you lubricate wire ropes? - Correct Answer: Every 200
operational hours
2) Where do you position the climbing gear after erecting the 12th tower
section? - Correct Answer: Lowered to bottom
3) How many safety turns must be left on the drum? - Correct Answer: 3
4) If lower wraps are not used, unwind rope and wind it back with ____% of
max load for pretension. - Correct Answer: 10%
5) Max allowable wind speed for dismantling/erection - Correct Answer:
20 mph
6) What is the proper response to an uncontrolled movement - Correct
Answer: Engaged the emergency stop button
,7) Where should main disconnect be located? - Correct Answer: Mounted
at or near the initial base of the crane
8) What is the weight of a cubic foot of steel? - Correct Answer: 490
pounds
9) What is the weight of a cubic foot of concrete? - Correct Answer: 150
pounds
10) What operations might be a risk to stability? - Correct Answer:
Pulling loads at an angle
11) On high strength bolt connections, which of the following does not
get greased? Bolt threads, nut threads, nut contact face, bolt contact face,
bolt shank. - Correct Answer: Bolt shank
12) What is the importance of properly pre-stretching high strength bolt
connections? - Correct Answer: It has a favorable effect on the fatigue
strength
13) What markings are found on high strength nuts and bolts -
Correct Answer: Strength rating & Manufacturers designation
14) How many degrees should the outrigger pad be from the jack? -
Correct Answer: 90 degrees
, 15) What is the plumb tolerance for tower cranes - Correct Answer:
1:500 or 1" in 40'
16) What are components inspected for before erection? By whom? -
Correct Answer: Components shall be inspected for damage by a
designated person
17) Extinguisher requirements for tower crane - Correct Answer: 10
ABC
18) Design factor for load hoist ropes - Correct Answer: Not less than
5
19) Design factor luffing boom hoist ropes - Correct Answer: Not less
than 3.5
20) Slices in tracks should be.. - Correct Answer: Smooth
21) You can weld on suspended loads only when... - Correct Answer:
Insulated slings are used
22) The pitch diameter of the load block sheaves shall not be less than
____ times the nominal diameter of the rope used - Correct Answer: 18
times
