LB TLL 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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Telescopic Boom Crane-Swing Cab (TLL)

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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 Fully Extended Outriggers	Extension	34-ft. Offset Fly Stowed
Counterweight	Standard	Ext. Off-set / Angle	N/A
Main Boom	Mode B, 110-ft.	Block	40 Ton, 4-parts of line
Main Boom Angle	N/A	Ball	8.5 Ton, 5-ft. below tip
Radius	60-ft.	Rigging	150-lb.
Other	Auxiliary Boom Head	Main Rope	1-lb./ft.
Other	N/A	Aux. Rope	1-lb./ft.

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

What is the net capacity when lifting off the main boom over the front?

Answer chosen: B, Correct

Gross Capacity	12,500
Jib	900
Block	720
Ball	360
Rigging	150
Main Rope	300
Aux Rope	5
Aux Boom Head	150
Total Deducts	2,585
Net Capacity	9,915