NCCCO MOBILE CRANE 99 ACTUAL QUESTIONS

1 / 31

https://www.stuvia.com/user/Mboffin

NCCCO MOBILE CRANE| 99 ACTUAL QUESTIONS &

CORRECT VERIFIED ANSWERS || GRADED A+ | LATEST

• 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?

• Boom down
• Swing
• Boom up
• Extend boom ANS >> c.
• When hoisting personnel, within what percentage of level must a tele-

scopic boom crane be in order for the gross ratings in the load chart to remain valid?

• 1%
• 2%
• 5% 1 / 4

2 / 31

https://www.stuvia.com/user/Mboffin

• 8% ANS >> a.
• 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?

• Climb down carefully from the crane cab
• Jump down, feet together
• Stay in the cab until the lines are de-energized
• Get as far away from the crane as possible ANS >> c.
• According to OSHA 1926.1413, how many randomly distributed broken

wires in rotation-resistant rope are cause for replacement of the rope?

• 1 broken wire in 6 rope diameters
• 2 broken wires in 30 rope diameters
• 3 broken wires in one strand in one lay
• 2 broken wires in 6 rope diameters ANS >> d.
• What is the net capacity of a crane on main boom unless the manufacturer

states otherwise?

• The capacity listed in the load chart minus the weight of the rigging and all

attachments

• The capacity listed in the load chart plus the weight of the rigging and all

attachments

• The capacity listed in the load chart minus the weight of the rigging and all

attachments not in use 2 / 4

3 / 31

https://www.stuvia.com/user/Mboffin

• The capacity listed in the load chart minus the weight of the rigging alone ANS

>> a.

• What may happen to a properly rigged load when lifted off the ground

unless the operator takes account of boom deflection?

• It could swing out away from the crane
• It could swing in towards the crane 3 / 4

4 / 31

https://www.stuvia.com/user/Mboffin

• It could raise absolutely vertically
• It could shift in its rigging ANS >> a.
• What Standard Method hand signal is being illustrated?
• Swing
• Stop
• Emergency Stop
• Travel ANS >> a.
• Who should an operator respond to a "stop" signal from?
• Appointed signal person only
• Project manager only
• Superintendent only
• Anyone ANS >> d.
• Which area do truck cranes without a 5th outrigger generally have no

lifting capacity unless the manufacturer states otherwise?

• The side
• The rear
• / 4