LB LBT q3b

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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Lattice Boom Truck Crane (LBT)

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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)

Sample Item #3

Configuration	On Outriggers	Extension	60-ft. jib
Counterweight	ABC+A	Ext. Off-set / Angle	15-degrees
Main Boom	190-ft.	Block	2,600-lb., 4-parts of line, 15-ft. below tip
Main Boom Angle	N/A	Ball	750-lb., 1-part of line
Radius	90-ft.	Rigging	200-lb.
Other	N/A	Main Rope	Type N, 2-lb./ft.
Other	N/A	Aux. Rope	Type RB, 2-lb./ft.

Note: For line in use, when wire rope deductions are required, the wire rope length shall be measured from the boom tip to the ground

What is the net capacity when lifting off the jib?

Answer chosen: B, Incorrect

Reason for error: No deduct for main rope

Please go back to previous page to attempt question again.