LATEST NCCCO MOBILE CRANE PRACTICE TEST

LATEST NCCCO MOBILE CRANE PRACTICE TEST

-

ANSWERS

• 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 - CORRECT ANSWER c.

• 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?

• 1%
• 2%
• 5%
• 8% - CORRECT ANSWER 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 - CORRECT ANSWER c.
• / 3

LATEST NCCCO MOBILE CRANE PRACTICE TEST

-

ANSWERS

• 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 - CORRECT ANSWER 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

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

CORRECT ANSWER 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
• It could raise absolutely vertically
• It could shift in its rigging - CORRECT ANSWER a. 2 / 3

LATEST NCCCO MOBILE CRANE PRACTICE TEST

-

ANSWERS

• What Standard Method hand signal is being illustrated?

• Swing
• Stop
• Emergency Stop
• Travel - CORRECT ANSWER a.

• Who should an operator respond to a "stop" signal from?
• Appointed signal person only
• Project manager only
• Superintendent only
• Anyone - CORRECT ANSWER d.

• Which area do truck cranes without a 5th outrigger generally have no lifting capacity

unless the manufacturer states otherwise?

• The side
• The rear
• The front
• The outriggers - CORRECT ANSWER c.
• / 3