Lattice Boom Crawler Crane Exam Questions and Answers
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Course
2024/2025
Institution
2024/2025
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...
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 back down the hill? - Answer✔✔-Either fourth or fifth gear
should be used.
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