2-6-1 Flashcards

1
Q

The __?__ is held responsible for any deficiencies found at a D.O.T. stop.

A

driver

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2
Q

An off-center valve stem in a truck wheel opening is an indicator of a loose wheel.

A

true

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3
Q

If a vehicle has air brakes, they should be inspected __?__.

A

pretrip

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4
Q

The last connection when jump starting a vehicle should be to __?__.

A

a negative point remote from the battery

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5
Q

Cell phone use is not a danger while driving if you use a hands-free unit.

A

false

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6
Q

When braking, never use the hand valve to apply brakes only to the trailer.

A

true

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7
Q

The height of a digger derrick is not important because all bridges and underpasses are at least 14 feet high.

A

false

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8
Q

The best way to inspect for a hydraulic fluid leak is by running your hands along the lines while the system is under pressure.

A

false

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9
Q

A high-pitched whine in the hydraulic system indicates __?__.

A

the fluid is not properly warmed up

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10
Q

Nonconducting hydraulic lines used on the tool outlet of a bucket truck are generally __?__.

A

orange in color

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11
Q

When an insulated boom needs to be cleaned, it should be __?__.

A

hand washed

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12
Q

Any downward movement of a boom during a holding valve test is an indication of __?__ in the system.

A

air

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13
Q

In most cases, lowering a boom without hydraulic power or battery backup should be left to a(n) __?__.

A

specialist

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14
Q

Boom-type equipment is designed to work at a slope of __?__ degrees or less.

A

5

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15
Q

When the vehicle is on an incline, extending the outriggers reduces the holding power of the tires.

A

true

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16
Q

The best protection when working near a vehicle with a noninsulated boom is to stay away from the vehicle.

A

true

17
Q

All hand signals are standard and will not vary from location to location.

A

false

18
Q

Properly grounding a truck allows for __?__ in case the truck should become energized.

A

a fast trip out

19
Q

A current monitoring meter should never show more than 69 microamperes on a 69kv line.

A

true

20
Q

Boom leakage of more than __?__ mA can leave track burns inside the boom.

A

1

21
Q

A side pull with a digger derrick can damage the __?__.

A

rotation gear

22
Q

The best way to loosen a pole prior to pulling it is to grab it with the pole guides and rotate the boom from side to side.

A

false

23
Q

The winch and hydraulic jib used on material handling units are for __?__ loads only.

A

vertical

24
Q

If a chart refers to “bare shaft capacity”, the total weight of the buckets, jib, and workers must be subtracted from the capacities shown on the chart.

A

true