Manitowoc LBCq3

National Commission For The Certification Of Crane Operators - NCCCO

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Mobile Crane Operator
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Written Exam - Sample Test Questions
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Load Charts

MANITOWOC Lattice Boom Crawler

These sample questions are intended to convey something of the style and content of the National Operator Certification Program examination developed and administered by the National Commission for the Certification of Crane Operators (NCCCO). They are not actual test questions, nor do they attempt to address all of the areas of knowledge tested on the CCO certification examination. Response to these questions is not necessarily an indication of performance on the CCO examinations.

(Note: N/A means Not Applicable)

Answer 3

Outriggers: N/A	Extension /Jib length: N/A
Counterweight: 179,100 lbs CC, 44,000 lbs CB	Extension /Jib angle: N/A
Tires: N/A	Block: 50 ton, 2,000 lbs, 2 parts line
Crawlers: Extended	Headache Ball: 15 ton, 600 lbs, 10 ft below tip
Main boom type, length: 180 ft	Rigging: 150 lbs
Main Boom angle: N/A	Wire rope (main boom): 1" 2 lbs/ft
Radius: 77 ft	Wire rope (extension/jib): 1" 2 lbs/ft
Other: N/A

NOTE: For line in use, deductions for wire rope length beneath boom/jib shall be based on the boom/jib point-elevation column listed on the boom/jib capacity chart. Boom/jib point-elevation shall be rounded to the nearest whole number.

What is the net capacity of the crane off the block at 360 degrees?

C. 53,642 lbs