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NCCCO MOBILE CRANE EXAM
QUESTIONS AND CORRECT
ANSWERS / GRADED
A+
- What action does a signal person intend the operator to perform if he extends
- Boom down 1 / 3
his arm at shoulder height, makes a fist with his hand, and sticks his/her thumb up?
- Swing
- Boom up
- Extend boom - <
>c.
- When hoisting personnel, within what percentage of level must a telescopic
- 1%
- 2%
- 5%
- 8% - <
>a.
boom crane be in order for the gross ratings in the load chart to remain valid?
- The load line of the crane you're operating contacts an energized power line.
- 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 - <
>c.
There's no sign of any other danger, such as fire. What should you do?
- According to OSHA 1926.1413, how many randomly distributed broken wires in
- 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 - <
>d. - / 3
rotation-resistant rope are cause for replacement of the rope?
- What is the net capacity of a crane on main boom unless the manufacturer
- The capacity listed in the load chart minus the weight of the rigging and all
- The capacity listed in the load chart plus the weight of the rigging and all
- The capacity listed in the load chart minus the weight of the rigging and all
- The capacity listed in the load chart minus the weight of the rigging alone -
states otherwise?
attachments
attachments
attachments not in use
<
- What may happen to a properly rigged load when lifted off the ground unless
- 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 - <
>a.
the operator takes account of boom deflection?
- What Standard Method hand signal is being illustrated?
- Swing
- Stop
- Emergency Stop
- Travel - <
>a.
- Who should an operator respond to a "stop" signal from?
- / 3
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