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NCCCO Telescopic Boom Crane- Lattice Boom Crawler Crane Summer 2024 Exam Review, Exams of Industrial Engineering

University of BristolIndustrial Engineering

NCCCO Telescopic Boom Crane- Lattice Boom Crawler Crane Summer 2024 Exam Review Questions and Answers 100% Pass

Typology: Exams

2023/2024

Available from 07/03/2024

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NCCCO Telescopic Boom Crane- Lattice
Boom Crawler Crane Summer 2024 Exam
Review Questions and Answers 100%
Pass
On a lattice boom crawler crane, the main boom length is
measured from the . - Answer>>Center of the boom heel pins to
the center of the boom tip sheave.
What is the main purpose of mid point suspension pendants? -
Answer>>To absorb the shock that comes with dynamic
loading.
The main purpose of a gantry or a mast on a crane is: -
Answer>>To increase the crane's leverage on the boom.
What effect does having the crawlers retracted have on a crawler
crane with long boom? - Answer>>Increase the probability of
tipping.
When using a mobile crane on a barge, the crane's load capacity
chart shall be - Answer>>Replaced by a list chart
Blocking can be placed under the ends of tracks to -
Answer>>Increase the crane's stability when operating over the
front or back.
A crawler crane is based on ________ stability of static load. -
Answer>>75%
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Download NCCCO Telescopic Boom Crane- Lattice Boom Crawler Crane Summer 2024 Exam Review and more Exams Industrial Engineering in PDF only on Docsity!

NCCCO Telescopic Boom Crane- Lattice

Boom Crawler Crane Summer 2024 Exam

Review Questions and Answers 100%

Pass

On a lattice boom crawler crane, the main boom length is measured from the. - Answer>>Center of the boom heel pins to the center of the boom tip sheave. What is the main purpose of mid point suspension pendants? - Answer>>To absorb the shock that comes with dynamic loading. The main purpose of a gantry or a mast on a crane is: - Answer>>To increase the crane's leverage on the boom. What effect does having the crawlers retracted have on a crawler crane with long boom? - Answer>>Increase the probability of tipping. When using a mobile crane on a barge, the crane's load capacity chart shall be - Answer>>Replaced by a list chart Blocking can be placed under the ends of tracks to - Answer>>Increase the crane's stability when operating over the front or back. A crawler crane is based on ________ stability of static load. - Answer>>75%

What quadrant produces the least amount of ground pressure on a lattice crawler - Answer>>Side When a crawler crane is on a barge, the list chart must be provided by the - Answer>>Manufacturer When operating a crawler crane, the ground pressure will always be highest over the - Answer>>Corner Unless working in loose soft soil, a crawler crane should always travel ____ on pick and carry operations. - Answer>>Towards the load. Why use mats of cribbing? - Answer>>To reduce ground pressure. Mats are usually _____ to hold together. - Answer>>Bolted A crawler crane traveling forward is defined as traveling in the direction of - Answer>>The idler When disassembling or assembling booms on lattice boom cranes, it is extremely important to - Answer>>Never touch any pin on any boom section located between the pendant attachment points and the crane. A crane with a 100 foot boom will be operating at a 41-ft. radius. The load chart shows an entry indicating 25,000 lbs. at a 40-ft radius. What is the crane's capacity at the 41 ft. radius. - Answer>>21000 lbs. A crane requires fourth gear to climb a one-mile hill with a 7% grade. Which of the following is correct about driving the crane

p;in on any boom section located between the pendant attachment points and the crane. A crane with a 100 foot boom will be operating at a 41-foot radius. The load chart shows an entry indicating 25,000 pounds at a 40-ft radius, followed immediately by an entry listing 21,000 pounds a 45-ft radius. What is the crane's capacity at the 41-ft radius. - Answer>>21000 pounds A crane requires fourth gear to climb a one-mile hill with a 7% grade. Which of the following is a correct about driving the crane back down the hill? - Answer>>Either fourth or fifth gear should be used. On a lattice boom crane, the device that automatically stops the boom when it nears the maximum angle is - Answer>>Boom hoist kick-out When is it safe to handle loads under power lines? - Answer>>No part of the crane of load can come closer to the power lines than regulations allow. Manufacture specifications only permit a certain amount of boom to be suspended out past the connection point of the pendants during assembly or disassembly of the boom. This portion of boom is called the - Answer>>Cantilever length A correct statement about installing a pin-connected lattice boom on mobile crane is that the - Answer>>Boom hoist pawl should be used during the installation On a lattice boom truck crane, boom angle is measured between the centerline of the - Answer>>Loaded boom and the horizontal.

If the angle from the jib to the ground is changed from 50 degrees to 40 degrees, the operator has - Answer>>Decreased the capacity of the jib. When a carrier-mounted lattice boom crane is operating on property set outriggers, then axis is located at the - Answer>>Point where the outriggers touch the ground. Swinging a fixed-length boom to a different quadrant increases the possibility of tipping over backward in a crane that is working on - Answer>>Tires at a short radius When leveling a crane on outriggers, check the level in one direction, then rotate the upper works - Answer>>90 degrees and recheck When making a lift with a lattice boom crawler crane, ground pressure can be reduced by lifting over the - Answer>>Side Pendant spreader bars on long booms are used to prevent - Answer>>Main pendants from scrubbing the boom sides. What effect does having the crawlers retracted have on a crawler crane with a long boom? - Answer>>Decrease in capacity