Fluids

Question 1

One effect of fuel dilution on lubricating oil is _______ viscosity.

Answer 1

reduced

Question 2

Engine lube oil may increase in acidity due to __________ __________ containing nitrogen and sulfur, which can lead to engine damage.

Answer 2

combustion byproducts

Question 3

Oil Analysis Request, DD Form ______

Answer 3

2026

Question 4

If an oil sample for any unit of equipment is not received by the testing facility within a 240- day period, the lab will _________ ______ historical data on that piece of equipment from its database.

Answer 4

delete all

Question 5

Units that submit samples for laboratory analysis (all cutters 65 feet and longer), will take samples every 250 hours of operation, or _________, whichever comes first.

Answer 5

quarterly

Question 6

Newly _______ _______ shall have oil samples drawn and submitted after 1, 25, 50 hours, and thereafter at the regularly scheduled sampling intervals

Answer 6

overhauled engines

Question 7

Blue indicates a _________ acidity level in the oil.

Answer 7

satisfactory

Question 8

Yellow or green indicate too high of an acidity level and require that the _______ _____ be drained and replaced with new oil.

Answer 8

engine oil

Question 9

Engine lube oil may _________ in acidity due to combustion byproducts containing nitrogen and sulfur.

Answer 9

increase

Question 10

The pour point of a lubricant is the _______ temperature at which the lubricant will flow from a container.

Answer 10

lowest

Question 11

Anti-wear additives _______ engine wear by forming a protective film between moving parts.

Answer 11

reduce

Question 12

When using a Visgage, the oil sample is drawn from the _______ container.

Answer 12

sample

Question 13

The oil should be Ambient or Room Temperature when conducting a viscosity test using the Gerin _____ ____Viscosity Comparator.

Answer 13

Falling Ball

Question 14

(FOWK) stands for

Answer 14

Fuel, Oil and Water King (FOWK)

Question 15

__ ___is also known as Diesel Fuel #2 (DF-2).

Answer 15

F-76

Question 16

JP-5 is also known as __ ___.

Answer 16

F-44.

Question 17

Chemical ________ of fuel oil are called oxidizers.

Answer 17

instabilities

Question 18

The accelerated corrosion process that occurs to cylinder liners if ____ _____ is used is called Liner Pitting.

Answer 18

plain water

Question 19

The following treatments are authorized for ________ ________ cooling systems: NALFLEET 9- 111 Inhibitor, Caterpillar Extended Life Coolant 50/50 Premix and Glysacorr G93.

Answer 19

wetted aluminum

Question 20

Dissolved calcium and ________ can lead to scale formation and is referred to as hardness.

Answer 20

magnesium

Question 21

150 micromho per centimeter or 40 ppm chloride is the maximum __________ limit of conductivity or chloride for diesel engine make-up water.

Answer 21

acceptable

Question 22

24 hours is the maximum time an engine is allowed to sit without running or circulating the _______ ________ solution after renewing the solution.

Answer 22

engine treatment

Question 23

Drop count titration jacket water test kit uses one chemical, ______ or base to drop into the coolant solution to evaluate its overall composition based on color.

Answer 23

acid

Question 24

When testing jacket water using the refractometer, a ____ _____ is used to apply the jacket water to the meter.

Answer 24

dip-stick