(1) TB 48- Jake Brake Flashcards

1
Q

The jake brake effect is accomplished by prematurely opening the exhaust valves near the top of the ____ stroke releasing the compression pressure to exhaust.

A

Compression stroke

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2
Q

The engine brake reacts quickly. It will activate or deactivate in less than ___ of a second.

A

1/4

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3
Q

During emergency responses the jake brake should be set for _____ engine retarding.

A

Max

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4
Q

What are the four stated advantages of the jake brake?

A
  1. Increased performance
  2. Safety
  3. Versatility
  4. Cost-effectiveness
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5
Q

The Jacobs Engine Brake is a HYDRAULIC engine attachment that, when energized, alters the engine exhaust valve operation which converts the diesel engine into an _____.

A

Air compressor

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6
Q

Jake Brake “CAUTIONS”

DO NOT engage the jake brake during the following:

A

-wet streets
-during pumping or aerial ops
-when up shifting gears
-when at idle or low engine speed

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7
Q

Use of the jake brake on freeway or similar open road should be dictated by:

A

Traffic Conditions and the Operators good judgement

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