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NCCCO MOBILE CRANE WITH QUESTIONS AND CORRECT ANSWERS GRADED A+|| LATEST UPDATE 2024/2025
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NCCCO MOBILE CRANE WITH QUESTIONS AND CORRECT ANSWERS GRADED A+|| LATEST UPDATE 2024/2025
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NCCCO MOBILE CRANE WITH QUESTIONS ANDCORRECT ANSWERS GRADED A+|| LATEST
UPDATE 2024/2025
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.
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
c. Superintendent only
d. Anyone - CORRECT ANSWER : d.
9. Which area do truck cranes without a 5th outrigger generally have no
lifting capacity unless the manufacturer states otherwise?
a. The side
b. The rear
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