NCCCO MOBILE CRANE LATEST

NCCCO MOBILE CRANE – LATEST

EXAM QUESTIONS WITH WELL ANSWERED

ANSWERS WELL GRADED A+

• Under which circumstance does OSHA permits hoisting of personnel

by crane?

• As long as the prevailing wind speed is less than 35 mph
• As long as there is no less hazardous or practicable way
• As long as all personnel have CPR training
• As long as no aerial work platform is available - ANSWERS-b.

• 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 - ANSWERS-c.
• / 3

• 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 - ANSWERS-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 - ANSWERS-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 2 / 3

• It could shift in its rigging - ANSWERS-a.

• What Standard Method hand signal is being illustrated?

• Swing
• Stop
• Emergency Stop
• Trav

• 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 - ANSWERS-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%
• / 3