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NCCER Basic Safety Review Questions and Answers 100% Pass
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NCCER Basic Safety Review Questions and Answers 100% Pass
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NCCCO MOBILE CRANE Questionsand answers with 100% correct solutions |
A+ Grade
. From which two points should the boom be measured?
a. From the base of the boom to the center of the boom tip
sheave b. From the boom hinge pins to the boom tip
c. From the boom hinge pins to the center of the boom tip sheaved. d. From the base of the boom to the
boom tip ✔✔c.
What is the preferred method of installing wire rope from a reel onto a hoist drum? a.
The rope runs from the top of the reel to the bottom of the drum
b. The rope runs from the bottom of the reel to the top of the drum
c. The rope runs from the top of the reel to the top of the drum
d. There is no preferred method ✔✔c.
Over which quadrant are truck crane capacities usually greater?
a. Over the front.
b. Over the rear.
c. Over the front right outrigger.
d. Over the side. ✔✔b.
According to OSHA, which accessible area of an operating crane must always be barricaded? a.
The swing radius of the crane
,b. The carbody or chassis
c. The swing radius of the rear of the rotating superstructure
d. The distance between the car body or chassis and the boom tip ✔✔c.
What is the OSHA regulation governing cranes in construction? a.
1910.180
b. 1926.1400
c. 1926.556
d. 1910.184 ✔✔b.
Under which circumstance is a crack in the windshield of a crane cab okay?
a. As long as it causes no visible distortion that would interfere with safe operations
b. As long as it is less than 6 inches long
c. As long as the windshield is replaced on the next annual inspection d. It is never okay ✔✔a.
Under which circumstance does OSHA permits hoisting of personnel by crane? a.
As long as the prevailing wind speed is less than 35 mph
b. As long as there is no less hazardous or practicable
way c. As long as all personnel have CPR training
d. As long as no aerial work platform is available ✔✔b.
Unless the manufacturer states otherwise, what crane capacity chart is appropriate when a crane is set
up with 3 of its 4 outriggers extended and the fourth is retracted?
a. On-outrigger chart
b. On-rubber chart
c. On-outrigger chart minus 20%
d. On-rubber chart plus 20% ✔✔b.
, According to OSHA, while hoisting personnel, the total load must not exceed what percentage of the
crane's rated capacity?"
a. 45%
b. 50%
c. 75%
d. 85% ✔✔b.
When is side loading of crane booms permitted? a.
When the operator says it's OK
b. So long as no jib is installed
c. Only when the outriggers are fully extended
d. Only with freely suspended loads ✔✔d.
What is indicated if an operator makes two audible signals when moving a crane? a.
He/she intends to stop
b. He/she intends to back up c.
He/she intends to go ahead
d. He/she intends to stop (emergency) ✔✔c.
When may blocking (cribbing) be placed under outrigger beams?
a. When beams cannot be extended all the way out
b. To increase capacity
c. To improve stability
d. Never ✔✔d.
What is the result of placing timber blocking under the tips of the tracks on a crawler crane? a.
Decreases the permitted capacity of the crane
b. Makes the crane more stable
c. Reduces the capacity of the crane
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