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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 #1
| Configuration |
On Fully Extended Outriggers |
Extension |
34-ft. Offset Fly Stowed |
| Counterweight |
Standard |
Ext. Off-set / Angle |
N/A |
| Main Boom |
Mode B, 95-ft. |
Block |
40 Ton, 2-parts of line, 30-ft. below tip |
| Main Boom Angle |
N/A |
Ball |
N/A |
| Radius |
83-ft. |
Rigging |
75-lb. |
| Other |
N/A |
Main Rope |
1-lb./ft. |
| Other |
N/A |
Aux. Rope |
N/A |
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 side?
A. 3,775 lbs.
B. 3,705 lbs.
C. 3,295 lbs.
D. 3,675 lbs.
Sample Item #2
| Configuration |
On Fully Extended Outriggers |
Extension |
34-ft. Offset Fly Erected |
| Counterweight |
Standard |
Ext. Off-set / Angle |
1-degree |
| Main Boom |
Mode B, 85-ft. |
Block |
N/A |
| Main Boom Angle |
N/A |
Ball |
8.5 Ton |
| Radius |
40-ft. |
Rigging |
50-lb. |
| Other |
N/A |
Main Rope |
N/A |
| 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 fly?
A. 10,090 lbs.
B. 12,510 lbs.
C. 12,560 lbs.
D. 14,090 lbs.
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?
A. 12,500 lbs.
B. 9,915 lbs.
C. 9,315 lbs.
D. 9,815 lbs.
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