Manitowoc LBTq2

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 Truck

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 2

Outriggers: Set	Extension /Jib length: 40 ft
Counterweight: 27,000 lbs CC & 25,000 lbs BC	Extension /Jib angle: 5° offset
Tires: N/A	Block: 2,110 lbs 6 parts line
Crawlers: N/A	Headache Ball: 600 lbs single part line, 10 ft from Tip
Main boom type, length: 78T, 140 ft	Rigging: 370 lbs.
Main Boom angle: N/A	Wire rope (main boom): 1" 2 lbs/ft
Radius: N/A	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.

At what maximum radius can a 40,000 lbs load be lifted off the main boom over the side?

C. 50 ft