Chapter 17 #39-45 Flashcards

Chapter 17 #39-45

1
Q

OSHA recently revised their overhead power line clearances for the construction industry.
The new standard requires ___ feet between the device and overhead electric lines of less than ____ kilovolts. For high tension lines of over ____kilovolts, OSHA requires ____ feet of clearance

A

20/350/350/50

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2
Q

Increasing the angle of the aerial device away from the longitudinal axis of the truck

A

Decreases the load weight that can be carried safely

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3
Q

An angle perpendicular to the apparatus is

A

The least stable position

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4
Q

By positioning the truck body in a line with the expected position of aerial use

A

The stability of the apparatus can be increased.

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5
Q

Stress in aerial device is increased when

The ladder rungs are operated nonparallel to the ground

A

Or when the apparatus is parked on an incline and the aerial device must operate off the side of the apparatus

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6
Q

Most railroad companies advise that vehicles be kept at least

A

25 feet from the tracks when possible

And if the aerial must be used over, it must be 25 feet above also

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7
Q

For any given situation, the proper distance between the objective and aerial apparatus is

A

Is the distance that afford the maximum stability,the best climbing angle,and adequate extension

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