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NCCCO Lattice Boom Crawler Crane Questions with Correct Answers.
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NCCCO Lattice Boom Crawler Crane Questions with Correct Answers.
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NCCCO Lattice Boom Crawler Crane Questions withCorrect Answers
On a lattice boom crawler crane, the main boom length is measured from
the: Correct 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? Correct
Answer-To absorb shock that comes with dynamic loading
The main purpose of a gantry or a mast on a crane is: Correct Answer-
To increase the crane's leverage on the boom
What effect does having the crawlers retracted have on a crawler crane
with a long boom Correct Answer-Increases the probability of tipping
When using a mobile crane on a barge, the crane's load capacity chart
shall be Correct Answer-Replaced by a list chart
Blocking can be placed under the ends of tracks to: Correct Answer-
Increase the crane's stability when operating over the front or back
A crawler crane is based on ________ stability of static load. Correct
Answer-75%
What quadrant produces the least amount of ground pressure on a lattice
crawler Correct Answer-Side
, When a crawler crane is on a barge, the list chart must be provided by
the Correct Answer-Manufacturer
When operating a crawler crane, the ground pressure will always be
highest over the Correct Answer-Corner
Unless working in loos soft soil, a crawler crane should always travel
_____ on pick and carry operations Correct Answer-Towards the load
Why use mats of cribbing Correct Answer-To reduce ground pressure
Mats are usually _____ to hold together. Correct Answer-Bolted
A crawler crane traveling forward is defined as traveling in the direction
of Correct Answer-The idler
When disassembling or assembling booms on lattice boom cranes, it is
extremely important to Correct Answer-Never touch any pin on any
boom section located between the pendant attachment points and the
crane
On a lattice boom crane, the device that automatically stops the boom
when it nears the maximum angle is the Correct Answer-Boom hoist
kick out
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