NCCCO Core sample test Question & Answers 100% Accurate!!
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Course
NCCCO Core
Institution
NCCCO Core
A frequent inspection is: - ANSWERDaily to monthly
1. 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? - ANSWERBoom Up
(Appendix A to Subpart CC of Part 1926--Standard Hand Signals...
NCCCO Core sample test Question & Answers 100%
Accurate!!
A frequent inspection is: - ANSWERDaily to monthly
1. 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? - ANSWERBoom Up
(Appendix A to Subpart CC of Part 1926--Standard Hand Signals)
3. 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? - ANSWERStay in the cab until the lines are de-
energized.
4. According to OSHA 1926.1413, how many randomly distributed broken wires in rotation-resistant
rope are cause for replacement of the rope? - ANSWER2 broken wires in 6 rope diameters
2. 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? - ANSWER1%
(1926.1431(c)(1)
The equipment must be uniformly level, within one percent of level grade, and located on footing
that a qualified person has determined to be sufficiently firm and stable.)
3
5. What is the net capacity of a crane on main boom unless the manufacturer states otherwise? -
ANSWERThe capacity listed in the load chart minus the weight of the rigging and all attachments
What may happen to a properly rigged load when lifted off the ground unless the operator takes
account of boom deflection - ANSWERIt could swing out away from the crane
Who should an operator respond to a "stop" signal from? - ANSWERAnyone
, Which area do truck cranes without a 5th outrigger generally have no lifting capacity unless the
manufacturer states otherwise? - ANSWERThe front
What is the definition of "operating radius?" - ANSWERThe distance from the center of rotation of
the crane to the center of gravity of the load
What applies to the capacities below the bold line shown on a load chart? - ANSWERThey are based
on the stability of the crane
In which quadrant are rough terrain crane capacities generally greater? - ANSWEROver the front
According to federal requirements, under what conditions is it okay for a person to ride the headache
ball? - ANSWERIt is never okay
By what percentage do most manufacturers require a crane's load chart capacity to be reduced by
for duty cycle operations such as high-volume concrete placement? - ANSWER20%
From which two points should the boom be measured? - ANSWERFrom the boom hinge pins to the
center of the boom tip sheave
What is the preferred method of installing wire rope from a reel onto a hoist drum? - ANSWERThe
rope runs from the top of the reel to the top of the drum
Over which quadrant are truck crane capacities usually greater? - ANSWEROver the rear.
18. According to OSHA, which accessible area of an operating crane must always be barricaded? -
ANSWERThe swing radius of the rear of the rotating superstructure
What is the OSHA regulation governing cranes in construction? - ANSWER1926.1400
Under which circumstance is a crack in the windshield of a crane cab okay? - ANSWERAs long as it
causes no visible distortion that would interfere with safe operations
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