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NCCCO Crane Operation Practice Questions 2025: Mobile Crane Safety, Exams of Mechanical Engineering

West Virginia University (WVU)Mechanical Engineering

A series of multiple-choice questions and answers related to crane operation, focusing on safety, load management, and crane configuration. It covers topics such as crane stability, load charts, wire rope specifications, and operational procedures for both crawler and lattice boom cranes. The questions address critical aspects of crane operation, including ground pressure, boom assembly, and working near power lines, making it a valuable resource for crane operator training and certification. It is designed to test and reinforce knowledge of essential crane operation principles and safety practices, ensuring operators are well-prepared for various operational scenarios. Useful for those studying for crane operator certifications or seeking to enhance their knowledge of crane safety and operational procedures. It covers a range of topics from crane configuration to load management and stability.

Typology: Exams

2024/2025

Available from 06/02/2025

ShantelleG
ShantelleG 🇺🇸

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NCCCO PRACTICE LATEST UPDATE
2025
Crane configuration includes:
A. reeving, boom length, counterweight, on outriggers, on rubbers, extensions or jibs
stowed or mounted, off sets, wire rope type or construction
B. hoist drum speeds, line pull, wire rope size and rigging
C. load charts, LMI, axle weights and center of gravity
D. drum rotation indicator, anti-two block, axle lock outs, and positive house lock -
ANSWER A
How does the operator determine the manufacturers recommended rope for the crane?
A. count the sheaves in the boom tip and divide the potential parts into the cranes
capacity, then determine the proper care
B. read the manufacturer load chart or operator manual
C. measure the rope and determine capacity according to size
D. measure the wire rope and sheave groove to be sure of the proper rope for the crane
- ANSWER B
What is the main purpose of mid-point suspension pendants?
A. to relieve the load on the bottom when it is being raised
B. to absorb the shock that comes with dynamic loading
C. to add structural integrity to the boom
D. to increase tipping capacities - ANSWER A
The main purpose of a gantry or a mast on a crane is
A. to decrease the parts of boom hoist line on the block
B. to increase boom hoist speed
C. to increase the crane'e leverage on the boom
D. to decrease the boom hoist speed - ANSWER C
When using a mobile crane on a barge, the crane's load capacity chart shall be:
A. replaced by a duty cycle chart
B. replaced by a list chart
C. de-rated to 50%
D. de-rated to 60% - ANSWER B
Blocking can be placed under the ends of tracks to:
A. stop the crane from sliding unexpectedly
B. stop crane from traveling unexpectedly
C. increase the crane's stability when operating over side
D. increase the crane's stability when operating over front or back - ANSWER D
A crawler crane is based on ___________ stability of static load
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Download NCCCO Crane Operation Practice Questions 2025: Mobile Crane Safety and more Exams Mechanical Engineering in PDF only on Docsity!

NCCCO PRACTICE LATEST UPDATE

Crane configuration includes: A. reeving, boom length, counterweight, on outriggers, on rubbers, extensions or jibs stowed or mounted, off sets, wire rope type or construction B. hoist drum speeds, line pull, wire rope size and rigging C. load charts, LMI, axle weights and center of gravity D. drum rotation indicator, anti-two block, axle lock outs, and positive house lock - ANSWER A How does the operator determine the manufacturers recommended rope for the crane? A. count the sheaves in the boom tip and divide the potential parts into the cranes capacity, then determine the proper care B. read the manufacturer load chart or operator manual C. measure the rope and determine capacity according to size D. measure the wire rope and sheave groove to be sure of the proper rope for the crane

  • ANSWER B What is the main purpose of mid-point suspension pendants? A. to relieve the load on the bottom when it is being raised B. to absorb the shock that comes with dynamic loading C. to add structural integrity to the boom D. to increase tipping capacities - ANSWER A The main purpose of a gantry or a mast on a crane is A. to decrease the parts of boom hoist line on the block B. to increase boom hoist speed C. to increase the crane'e leverage on the boom D. to decrease the boom hoist speed - ANSWER C When using a mobile crane on a barge, the crane's load capacity chart shall be: A. replaced by a duty cycle chart B. replaced by a list chart C. de-rated to 50% D. de-rated to 60% - ANSWER B Blocking can be placed under the ends of tracks to: A. stop the crane from sliding unexpectedly B. stop crane from traveling unexpectedly C. increase the crane's stability when operating over side D. increase the crane's stability when operating over front or back - ANSWER D A crawler crane is based on ___________ stability of static load

A. 100%

B. 85%

C. 75%

D. 20% - ANSWER C

What quadrant produces the least amount of ground pressure on a lattice crawler? A. side B. front C. corner D. rear - ANSWER A When a crawler crane is on a barge the list chart must be provided by the: A. employer B. crane owner C. superintendent D. manufacturer - ANSWER D When operating a crawler crane, the ground pressure will always be highest over the A. corner B. front C. side D. rear - ANSWER A Unless working in loose soft soil, a crawler crane should always travel ___________ on pick and carry operations A. away from the load B. towards the load C. as quickly as possible D. with the crawler facing the load extended - ANSWER B Why use mats or cribbing? A. to increase ground pressure B. to reduce ground pressure C. for long boom cranes D. to lift outriggers or crawlers off the ground - ANSWER B Mats are usually ______ together A. bolted B. tied C. glued D. nailed - ANSWER A A crawler crane traveling forward is defined as traveling in the direction of A. a load B. the bull gear C. the drive sprocket

If the angle from the jib to the ground is changed from 50 degrees to 40 degrees, the operator has A. decreased the capacity of the jib B. removed a 10-ft insert C. shortened the forestay pendants D. increased head clearance - ANSWER A When a carrier-mounted lattice boom crane is operating on properly set outriggers, the tipping axis is located at the A. radius of the counterweights B. center pin of the crane C. radius of the boom point D. point where the outriggers touch the ground - ANSWER D Swinging a fixed-length boom to a different quadrant increases the possibility of tipping over backward in a crane that is working on A. outriggers at a short radius B. outriggers at a long radius C. tires at a short radius D. tires at a long radius - ANSWER C When making a lift with a lattice boom crawler crane, ground pressure can be reduced by lifting over the A. front B. corner C. rear D. side - ANSWER D Pendant spreader bars on long booms are used to prevent A. main pendants from scrubbing the boom sides B. misalignment of the boom cable C. stretching of pendant lines D. deflection at the center of the boom - ANSWER A What effect does having the crawlers retracted have on a crawler crane with a long boom? A. decrease in wear on the tracks B. decrease in capacity C. increase in capacity D. increase in maneuverability - ANSWER B