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NCCCO MOBILE CRANE /99 Questions And Answers 100% Score!!!
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- NCCCO MOBILE CRANE /99 Questions And Answers
NCCCO MOBILE CRANE /99 Questions And Answers 100% Score!!!
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NCCCO MOBILE CRANE /99 Questions AndAnswers 100% Score!!!
Quiz :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 - Answer :c.
Quiz :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% - Answer :a.
Quiz :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 - Answer :c.
Quiz :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 - Answer :d.
Quiz :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 -
Answer :a.
Quiz :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 - Answer :a.
Quiz :7. What Standard Method hand signal is being illustrated?
a. Swing
b. Stop
c. Emergency Stop
d. Travel - Answer :a.
Quiz :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 - Answer :d.
Quiz :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
c. The front
d. The outriggers - Answer :c.
Quiz :10. What is the definition of "operating radius?"
a. The distance from the base of the boom to the center of the load b. The distance
from the front of the crane to the center of gravity of the load
c. The distance from the center of rotation of the crane to the center of the load
d. The distance from the center of rotation of the crane to the center of gravity of
the load - Answer :d.
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