mid term Flashcards

1
Q

valve seat back leakage test

A

3-10 drops per min

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2
Q

two types of injectors

A

open or closed

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3
Q

pintal injector nozzels

A

indirect injection, small bore high speed engines

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4
Q

the aux hole on the pintal nozzels are for

A

cold start assistance

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5
Q

fuel is metered before reaching main injector pump

A

rotatary distributor pump

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6
Q

when cylinder #1 is TDC compression the companion is

A

cylinder #6 TDC exhaust

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7
Q

Particulate Matter is

A

dirt, sand, rust

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8
Q

how many type of fuel under ATSM

A

3

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9
Q

specific gravity of diesel

A

0.9:1

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10
Q

viscosity

A

measures of a fluids ability to flow of its thickness

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11
Q

fuel pick up is located

A

one inch off the bottom of the tank, large enought to supply the engine

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12
Q

largest percent of diesel exhaust gasses

A

nitrogen

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13
Q

higher the octance

A

the higher the compression can be before detonation

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14
Q

higher the cetance

A

shorter the ignaition delay

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15
Q

3 benefits of diesel engines

A

wider rpm, torque range, more fuel to power, longer engine life

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16
Q

longer the hydrocarbon chain

A

the more heavier the molecule and the less volatile

17
Q

ULSD sulfur content

A

15ppm