NCCCO Mobile Crane Exam Questions and Answers Study Guide for Operator Certification Preparation

NCCCO MOBILE CRANE EXAM |
LATEST UPDATE |
QUESTIONS AND ANSWERS | GRADED A |
100% CORRECT SOLUTIONS.
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
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%
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 ca 𝑏

,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
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
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 a.