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NCCCO Core Exam Practice Questions with complete solutions 2024_2025.
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NCCCO Core Exam Practice Questions with complete solutions 2024_2025.
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NCCCO Core Exam Practice Questionswith complete solutions 2024/2025
What is the purpose of Placing Mats or Cribbing under outrigger Floats?
A) Raise the Tires off the ground
B) Distribute the force over a larger area
C) Allow the float to be Level with Surface
D) Raise the operator's cab for better vision. - ANSWER-B.) Distribute the force
over a larger area.
Where is the best location for leveling a Crane?
A) Carrier
B) Upperworks
C) Cab
D) Carbody - ANSWER-B) Upperworks
Before Leveling a mobile crane on outriggers, an operator should ensure:
A) the weight of the crane is on all the tires
B) There is blocking under the outrigger beams
C) There is no weight of the crane bearing on any tires
D) There is weight only bearing on some tires - ANSWER-C) There is no weight of
the crane bearing on any tires
Operating A mobile crane with a long boom, on uneven ground, what support
condition should be considered?
A) Blocking under the outrigger berms
B) Keeping a 75 Degree angle between cylinder rod and pad
C) Keeping a 90 Degree angle between cylinder rod and pad
,D) Blocking under the front bumper weight - ANSWER-C) Keeping a 90 Degree
angle between cylinder rod and pad
When may blocking (Cribbing) be placed under outrigger beams on mobile
cranes?
A) Extending Beams
B) Increasing Capacity
C) Improving Stability
D) Never Approved - ANSWER-D) Never Approved
Mobiles Cranes should be level within what percent of Grade?
A) 3%
B) 2%
C) 5%
D) 1% - ANSWER-D) 1%
Timber Crane mats work best when they are:
A) Bolted Together
B) Nailed Together
C) Wired Together
D) Left Loose - ANSWER-A) Bolted together
When arriving in the crane at the job site, the operator should first determine the
condition of the:
A) Crane setup location
B) Access Roads
C) Parking Lot
D) Headache Ball - ANSWER-B) Access Roads
What surface listed below would NOT be a good location for assembly or setup of
a mobile crane?
A) Above Compacted Fill
B) Above Highway Asphalt
C) Above Underground Vaults
D) Above Highway Concrete - ANSWER-C) Above Underground Vaults
Each Outrigger pad and its blocking should be sufficient to support?
A) 85% of the load Chart
B) The total weight of the crane and its load
C) The total weight of the crane and its boom
D) 75% of the load chart - ANSWER-B)The total weight of the crane and its load
, How does high wind affect a mobile crane with a long boom
A) Decrease load line capacity
B) Requires you to slip the swing brake
C) Introduces side load onto the boom
D) Has no effect on overall crane capacity - ANSWER-C) Introduces side load
onto the boom
When is the only time the outrigger beams should be less than fully extended?
A) The load Chart indicates that this is allowed
B) There is not enough space to extend the beam
C) The crane is working over the front
D) the main boom is fully retracted - ANSWER-A) The load chart indicates that
this is allowed
What is the primary purpose for a rooster sheave or auxiliary boom point sheave?
A) Separate the load hoist lines
B) Separate the boom hoist lines
C) Increase the load Radius
D) Decrease the load radius - ANSWER-A) Separate the load hoist lines
Eccentric main boom tip reeving causes which of the following
A) Increased carrier wear
B) increase wire rope wear
C) Twisting of the main boom
D) Twisting of the superstructure - ANSWER-C) Twisting of the main boom
Which type of wire rope listed below is installed on most cranes
A) Right Regular Lay
B) Right alternate lay
C) Left regular lay
D) Left alternate Lay - ANSWER-A) Right regular lay
The hoist drum flange shall extend, the floats or pads should always be:
A) 1/2 Inch
B) 1 Inch
C) 1 1/2 Inch
D) 2 Inch - ANSWER-A) 1/2 Inch
Which of the following is classified as standing wire rope?
A) Main hoist Line
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