NCCCO Core Practice Exam Questions and 100% Correct Verified ANSWERs| Grade A

NCCCO Core Practice Exam Questions and 100% Correct Verified ANSWERs| Grade A
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?
 - ANSWER: Boom up (This is a standard hand signal
indicating the operator should raise the boom.)
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?
 - ANSWER: 1% (OSHA 1926.1431 requires the crane to be
level within 1% unless the manufacturer specifies otherwise.)
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?
 - ANSWER: Stay in the cab until the lines are de-energized
(OSHA 1926.1408 advises operators to remain in the cab unless
there’s an imminent danger like fire, as it’s the safest place until
power is cut.)
4. According to OSHA 1926.1413, how many randomly
distributed broken wires in rotation-resistant rope are cause for
replacement of the rope?

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