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NCCCO MOBILE CRANE EXAM LATEST EXAM AND STUDY
GUIDE TEST BANK -
CORRECT VERIFIED ANSWERS
QUESTION: 1. What applies to the capacities below the bold line shown on a load chart?
- They are based on the structural strength of the crane
- They must not be used
- They are based on the stability of the crane
- They should only be used if the crane is set up on outriggers - ANSWER-c.
QUESTION: 2. In which quadrant are rough terrain crane capacities generally greater?
- Over the front
- Over the rear
- Over the right side
- Over the left side - ANSWER-a.
QUESTION: 3. According to federal requirements, under what conditions is it okay for a person to ride the headache ball?
- When there is no other way to gain access
- When the lift has been approved by an engineer 1 / 4
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- When other means would be more dangerous
- It is never okay - ANSWER-d.
QUESTION: 4. 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 - ANSWER-d.
QUESTION: 5. 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
- The capacity listed in the load chart minus the weight of the rigging alone - ANSWER-a.
in use
QUESTION: 6. What may happen to a properly rigged load when lifted off the ground unless the operator takes account of boom deflection? 2 / 4
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- 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 - ANSWER-a.
QUESTION: 7. What Standard Method hand signal is being illustrated?
- Swing
- Stop
- Emergency Stop
- Travel - ANSWER-a.
QUESTION: 8. Who should an operator respond to a "stop" signal from?
- Appointed signal person only
- Project manager only
- Superintendent only
- Anyone - ANSWER-d.
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4 QUESTION: 9. 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 - ANSWER-c.
QUESTION: 10. What is the definition of "operating radius?"
- The distance from the base of the boom to the center of the load b. The distance from the
- The distance from the center of rotation of the crane to the center of the load
- The distance from the center of rotation of the crane to the center of gravity of the load -
front of the crane to the center of gravity of the load
ANSWER-d.
- What action does a signal person intend the operator to perform if he extends his arm at
- Boom down
- Swing
- Boom up
- Extend boom - ANSWER-c.
- / 4
shoulder height, makes a fist with his hand, and sticks his/her thumb up?