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NCCCO Lattice Boom Crawler (LBC) Crane 2024 Exam Review Questions and Answers 100% Pass
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NCCCO Lattice Boom Crawler (LBC) Crane 2024 Exam Review Questions and Answers 100% Pass...
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NCCCO Lattice Boom Crawler (LBC) Crane 2024 ExamReview Questions and Answers 100% Pass
On a lattice boom crawler crane, the length of the main boom is taken from the: - Answer
Center of the boom heel pins to the center of the boom tip sheave
What is the major reason why mid point suspension pendants are used? - Answer To
absorb shock that comes with dynamic loading
What is the main purpose of a gantry or a mast on a crane? - Answer To lengthen the
crane's leverage on the boom
A crawler crane is set with a long boom and the crawlers are retracted - Answer The
likelihood of tipping becomes higher
A mobile crane is utilized on a barge, the crane's load capacity chart shall be - Answer
Replaced with 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 loos 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
Traveling forward of a crawler crane means to travel in the direction of - Answer The
idler
During boom assembling or disassembling, it is very important that - 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 - Answer Boom hoist kick out
When is it safe to handle loads under power lines - Answer The load nor any part of the
crane can come closer than regulations allow
Manufacture specs only allow a certain amt of boom to be suspended out past the point
of connection of the pendants during assembly or disasssembly of the boom. This length
of boom is called the - Answer Cantilever Length
When installing a pin-connected lattice boom on a mobile crane, you should always -
Answer Use the boom hoist pawl to hold the boom
When making a lift with a lattice boom crawler crane, ground pressure can be reduced
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