NCCCO MOBILE CRANE EXAM LATEST QUESTIONS AND CORRECT ANSWERS//ALREADY GRADED A+
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Course
NCCCO MOBILE CRANE
Institution
NCCCO MOBILE CRANE
NCCCO MOBILE CRANE EXAM LATEST
QUESTIONS AND CORRECT ANSWERS//ALREADY
GRADED A+ 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?
a. Boom down
b. Swing
c. Boom up
d. Extend boo...
NCCCO MOBILE CRANE EXAM 2024-2025 LATEST
QUESTIONS AND CORRECT ANSWERS//ALREADY
GRADED A+
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?
a. Boom down
b. Swing
c. Boom up
d. Extend boom - 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?
a. 1%
b. 2%
c. 5%
d. 8% - 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?
a. Climb down carefully from the crane cab
b. Jump down, feet together
c. Stay in the cab until the lines are de-energized
d. Get as far away from the crane as possible - ANSWER-c.
According to OSHA 1926.1413, how many randomly distributed broken wires in rotation-
resistant rope are cause for replacement of the rope?
a. 1 broken wire in 6 rope diameters
b. 2 broken wires in 30 rope diameters
,c. 3 broken wires in one strand in one lay
d. 2 broken wires in 6 rope diameters - ANSWER-d.
What is the net capacity of a crane on main boom unless the manufacturer states otherwise?
a. The capacity listed in the load chart minus the weight of the rigging and all attachments
b. The capacity listed in the load chart plus the weight of the rigging and all attachments
c. The capacity listed in the load chart minus the weight of the rigging and all attachments not in
use
d. The capacity listed in the load chart minus the weight of the rigging alone - ANSWER-a.
What may happen to a properly rigged load when lifted off the ground unless the operator takes
account of boom deflection?
a. It could swing out away from the crane
b. It could swing in towards the crane
c. It could raise absolutely vertically
d. It could shift in its rigging - ANSWER-a.
What Standard Method hand signal is being illustrated?
a. Swing
b. Stop
c. Emergency Stop
d. Travel - ANSWER-a.
Who should an operator respond to a "stop" signal from?
a. Appointed signal person only
b. Project manager only
c. Superintendent only
d. Anyone - ANSWER-d.
, Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the
manufacturer states otherwise?
a. The side
b. The rear
c. The front
d. The outriggers - ANSWER-c.
What is the definition of "operating radius?"
a. The distance from the base of the boom to the center of the load
b. The distance from the front of the crane to the center of gravity of the load
c. The distance from the center of rotation of the crane to the center of the load
d. The distance from the center of rotation of the crane to the center of gravity of the load -
ANSWER-d.
What applies to the capacities below the bold line shown on a load chart?
a. They are based on the structural strength of the crane
b. They must not be used
c. They are based on the stability of the crane
d. They should only be used if the crane is set up on outriggers - ANSWER-c.
In which quadrant are rough terrain crane capacities generally greater?
a. Over the front
b. Over the rear
c. Over the right side
d. Over the left side - ANSWER-a.
According to federal requirements, under what conditions is it okay for a person to ride the
headache ball?
a. When there is no other way to gain access
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