Lattice Boom Crawler Crane Exam Questions and Answers
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Course
Practice Tests 2024
Institution
Practice Tests 2024
Lattice Boom Crawler Crane Exam
Questions and Answers
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 ...
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.
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