Mobile Crane Questions Test #1
Questions With Correct Answers
Where is the best location for leveling a crane? - CORRECT ANSWER✔✔-
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Upperworks.
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 hitch strength, which is the correct answer? - CORRECT
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ANSWER✔✔-Basket, vertical, choker. | |
What is the primary purpose of using a jib? - CORRECT ANSWER✔✔-
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Increase height. |
When taking a side strain on a boom, what concerns the operator most?
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- CORRECT ANSWER✔✔-Boom damage.
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You should always have how many wraps on a hoist drum? - CORRECT
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ANSWER✔✔-2.
, On a load chart, values above the load line mean: - CORRECT
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ANSWER✔✔-Capacities based on structural competence. | | | |
The primary purpose for a rooster sheave or auxiliary boom point
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sheave is to: - CORRECT ANSWER✔✔-Separate the hoist lines.
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What is the proper procedure when using an insulating link or a boot
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near power lines? - CORRECT ANSWER✔✔-Be sure to maintain the
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correct allowable distance from the lines.
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When the number of layers of rope on a drum increases the:: - CORRECT
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ANSWER✔✔-Allowable line pull increases.
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What is the minimum allowable distance from the crane and power-
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lines up to 50kV? - CORRECT ANSWER✔✔-10 ft.
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The term "Upperworks" or "Superstructure" refers to the area of the
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crane: - CORRECT ANSWER✔✔-Above the turntable.
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Side-loading may be caused by: - CORRECT ANSWER✔✔-Starting or
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stopping the swing too rapidly. | | | |
What is the best procedure to follow when underground utilities may be
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present? - CORRECT ANSWER✔✔-Contact local utility company.
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Questions With Correct Answers
Where is the best location for leveling a crane? - CORRECT ANSWER✔✔-
| | | | | | | | | | |
Upperworks.
When determining the gross load the best method is? - CORRECT
| | | | | | | | | | |
ANSWER✔✔-Get an accurate load weight and add the rigging. | | | | | | | |
By order of hitch strength, which is the correct answer? - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Basket, vertical, choker. | |
What is the primary purpose of using a jib? - CORRECT ANSWER✔✔-
| | | | | | | | | | |
Increase height. |
When taking a side strain on a boom, what concerns the operator most?
| | | | | | | | | | | |
- CORRECT ANSWER✔✔-Boom damage.
| | | |
You should always have how many wraps on a hoist drum? - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-2.
, On a load chart, values above the load line mean: - CORRECT
| | | | | | | | | | | |
ANSWER✔✔-Capacities based on structural competence. | | | |
The primary purpose for a rooster sheave or auxiliary boom point
| | | | | | | | | | |
sheave is to: - CORRECT ANSWER✔✔-Separate the hoist lines.
| | | | | | | |
What is the proper procedure when using an insulating link or a boot
| | | | | | | | | | | | |
near power lines? - CORRECT ANSWER✔✔-Be sure to maintain the
| | | | | | | | | |
correct allowable distance from the lines.
| | | | |
When the number of layers of rope on a drum increases the:: - CORRECT
| | | | | | | | | | | | |
ANSWER✔✔-Allowable line pull increases.
| | | |
What is the minimum allowable distance from the crane and power-
| | | | | | | | | |
lines up to 50kV? - CORRECT ANSWER✔✔-10 ft.
| | | | | | |
The term "Upperworks" or "Superstructure" refers to the area of the
| | | | | | | | | | |
crane: - CORRECT ANSWER✔✔-Above the turntable.
| | | | |
Side-loading may be caused by: - CORRECT ANSWER✔✔-Starting or
| | | | | | | | |
stopping the swing too rapidly. | | | |
What is the best procedure to follow when underground utilities may be
| | | | | | | | | | |
present? - CORRECT ANSWER✔✔-Contact local utility company.
| | | | | | |
