NCCCO MOBILE CRANE EXAM
QUESTIONS WITH CORRECT ANSWERS
1. What action does a signal person intend the operator to perform if he
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extends his arm at shoulder height, makes a fist with his hand, and
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sticks his/her thumb up?
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a. Boom down
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b. Swing
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c. Boom up
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d. Extend boom - CORRECT ANSWER✔✔-c.
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2. When hoisting personnel, within what percentage of level must a
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telescopic boom crane be in order for the gross ratings in the load chart
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to remain valid?
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a. 1%
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b. 2%
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c. 5%
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d. 8% - CORRECT ANSWER✔✔-a.
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,3. The load line of the crane you're operating contacts an energized
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power line. There's no sign of any other danger, such as fire. What
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should you do? | |
a. Climb down carefully from the crane cab
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b. Jump down, feet together
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c. Stay in the cab until the lines are de-energized
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d. Get as far away from the crane as possible - CORRECT ANSWER✔✔-c.
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4. According to OSHA 1926.1413, how many randomly distributed
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broken wires in rotation-resistant rope are cause for replacement of the
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rope?
a. 1 broken wire in 6 rope diameters
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b. 2 broken wires in 30 rope diameters
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c. 3 broken wires in one strand in one lay
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d. 2 broken wires in 6 rope diameters - CORRECT ANSWER✔✔-d.
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5. What is the net capacity of a crane on main boom unless the
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manufacturer states otherwise? | |
a. The capacity listed in the load chart minus the weight of the rigging
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and all attachments
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b. The capacity listed in the load chart plus the weight of the rigging and
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all attachments
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, c. The capacity listed in the load chart minus the weight of the rigging
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and all attachments not in use
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d. The capacity listed in the load chart minus the weight of the rigging
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alone - CORRECT ANSWER✔✔-a.
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6. What may happen to a properly rigged load when lifted off the
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ground unless the operator takes account of boom deflection?
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a. It could swing out away from the crane
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b. It could swing in towards the crane
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c. It could raise absolutely vertically
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d. It could shift in its rigging - CORRECT ANSWER✔✔-a.
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7. What Standard Method hand signal is being illustrated?
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a. Swing
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b. Stop
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c. Emergency Stop
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d. Travel - CORRECT ANSWER✔✔-a.
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8. Who should an operator respond to a "stop" signal from?
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a. Appointed signal person only
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b. Project manager only
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QUESTIONS WITH CORRECT ANSWERS
1. What action does a signal person intend the operator to perform if he
| | | | | | | | | | | | |
extends his arm at shoulder height, makes a fist with his hand, and
| | | | | | | | | | | | | |
sticks his/her thumb up?
| | |
a. Boom down
| | |
b. Swing
| |
c. Boom up
| | |
d. Extend boom - CORRECT ANSWER✔✔-c.
| | | | |
2. When hoisting personnel, within what percentage of level must a
| | | | | | | | | | |
telescopic boom crane be in order for the gross ratings in the load chart
| | | | | | | | | | | | | |
to remain valid?
| |
a. 1%
|
b. 2%
| |
c. 5%
| |
d. 8% - CORRECT ANSWER✔✔-a.
| | | |
,3. The load line of the crane you're operating contacts an energized
| | | | | | | | | | | |
power line. There's no sign of any other danger, such as fire. What
| | | | | | | | | | | | |
should you do? | |
a. Climb down carefully from the crane cab
| | | | | | | |
b. Jump down, feet together
| | | | |
c. Stay in the cab until the lines are de-energized
| | | | | | | | | |
d. Get as far away from the crane as possible - CORRECT ANSWER✔✔-c.
| | | | | | | | | | | |
4. According to OSHA 1926.1413, how many randomly distributed
| | | | | | | | |
broken wires in rotation-resistant rope are cause for replacement of the
| | | | | | | | | | |
rope?
a. 1 broken wire in 6 rope diameters
| | | | | | | |
b. 2 broken wires in 30 rope diameters
| | | | | | | |
c. 3 broken wires in one strand in one lay
| | | | | | | | | |
d. 2 broken wires in 6 rope diameters - CORRECT ANSWER✔✔-d.
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5. What is the net capacity of a crane on main boom unless the
| | | | | | | | | | | | | |
manufacturer states otherwise? | |
a. The capacity listed in the load chart minus the weight of the rigging
| | | | | | | | | | | | | |
and all attachments
| | |
b. The capacity listed in the load chart plus the weight of the rigging and
| | | | | | | | | | | | | |
all attachments
| | |
, c. The capacity listed in the load chart minus the weight of the rigging
| | | | | | | | | | | | | |
and all attachments not in use
| | | | | |
d. The capacity listed in the load chart minus the weight of the rigging
| | | | | | | | | | | | | |
alone - CORRECT ANSWER✔✔-a.
| | |
6. What may happen to a properly rigged load when lifted off the
| | | | | | | | | | | | |
ground unless the operator takes account of boom deflection?
| | | | | | | |
a. It could swing out away from the crane
| | | | | | | | |
b. It could swing in towards the crane
| | | | | | | |
c. It could raise absolutely vertically
| | | | | |
d. It could shift in its rigging - CORRECT ANSWER✔✔-a.
| | | | | | | | |
7. What Standard Method hand signal is being illustrated?
| | | | | | | |
a. Swing
| |
b. Stop
| |
c. Emergency Stop
| | |
d. Travel - CORRECT ANSWER✔✔-a.
| | | |
8. Who should an operator respond to a "stop" signal from?
| | | | | | | | | |
a. Appointed signal person only
| | | | |
b. Project manager only
| | | |
