Mobile Crane NCCER Study Guide Exam
Questions With Correct Answers
When determining the "gross load" the best method is: - CORRECT
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ANSWER✔✔-Get an accurate load weight and add the rigging | | | | | | | |
By order of strength which is correct - CORRECT ANSWER✔✔-Basket,
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Vertical, Choker |
Primary purpose for a roster sheave or auxiliary boom point sheave is
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to: - CORRECT ANSWER✔✔-Separate the hoist line
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When the number of layers of rope on a drum increase the : - CORRECT
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ANSWER✔✔-Allowable line pull decreases | | |
What is the minimum allowable distance from the crane and power
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lines under 50kV? - CORRECT ANSWER✔✔-10'
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Eccentric main boom tip reeving casues - CORRECT ANSWER✔✔-
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twisting of the boom | | |
, How many randomly broken wires must there be to remove a running
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wire rope from service? - CORRECT ANSWER✔✔-6
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When working near power lines when is a signal person required? -
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CORRECT ANSWER✔✔-When crane moves within a booms length of
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power lines |
When operating truck cranes what is the most unstable allowable
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quadrant of operation? - CORRECT ANSWER✔✔-Side
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Tipping capacities of locomotive cranes are based on what % of tipping?
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- CORRECT ANSWER✔✔-85%
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Should the load be applied when determining the proper boom angle? -
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CORRECT ANSWER✔✔-YES |
What type of rope is recommended for a tagline around powerlines -
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CORRECT ANSWER✔✔-Polypropylene |
what does two beeps of the horn indicate to people in the area -
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CORRECT ANSWER✔✔-forward |
Load radius is the distance from the center of gravity of the suspended
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load to the: - CORRECT ANSWER✔✔-Center of rotation
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Questions With Correct Answers
When determining the "gross load" the best method is: - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Get an accurate load weight and add the rigging | | | | | | | |
By order of strength which is correct - CORRECT ANSWER✔✔-Basket,
| | | | | | | | | |
Vertical, Choker |
Primary purpose for a roster sheave or auxiliary boom point sheave is
| | | | | | | | | | | |
to: - CORRECT ANSWER✔✔-Separate the hoist line
| | | | | |
When the number of layers of rope on a drum increase the : - CORRECT
| | | | | | | | | | | | | | |
ANSWER✔✔-Allowable line pull decreases | | |
What is the minimum allowable distance from the crane and power
| | | | | | | | | | |
lines under 50kV? - CORRECT ANSWER✔✔-10'
| | | | |
Eccentric main boom tip reeving casues - CORRECT ANSWER✔✔-
| | | | | | | |
twisting of the boom | | |
, How many randomly broken wires must there be to remove a running
| | | | | | | | | | | |
wire rope from service? - CORRECT ANSWER✔✔-6
| | | | | |
When working near power lines when is a signal person required? -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-When crane moves within a booms length of
| | | | | | | | |
power lines |
When operating truck cranes what is the most unstable allowable
| | | | | | | | | |
quadrant of operation? - CORRECT ANSWER✔✔-Side
| | | | |
Tipping capacities of locomotive cranes are based on what % of tipping?
| | | | | | | | | | |
- CORRECT ANSWER✔✔-85%
| | |
Should the load be applied when determining the proper boom angle? -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-YES |
What type of rope is recommended for a tagline around powerlines -
| | | | | | | | | | | |
CORRECT ANSWER✔✔-Polypropylene |
what does two beeps of the horn indicate to people in the area -
| | | | | | | | | | | | | |
CORRECT ANSWER✔✔-forward |
Load radius is the distance from the center of gravity of the suspended
| | | | | | | | | | | | |
load to the: - CORRECT ANSWER✔✔-Center of rotation
| | | | | | |
