Fluids Flashcards
One effect of fuel dilution on lubricating oil is _______ viscosity.
reduced
Engine lube oil may increase in acidity due to __________ __________ containing nitrogen and sulfur, which can lead to engine damage.
combustion byproducts
Oil Analysis Request, DD Form ______
2026
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.
delete all
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.
quarterly
Newly _______ _______ shall have oil samples drawn and submitted after 1, 25, 50 hours, and thereafter at the regularly scheduled sampling intervals
overhauled engines
Blue indicates a _________ acidity level in the oil.
satisfactory
Yellow or green indicate too high of an acidity level and require that the _______ _____ be drained and replaced with new oil.
engine oil
Engine lube oil may _________ in acidity due to combustion byproducts containing nitrogen and sulfur.
increase
The pour point of a lubricant is the _______ temperature at which the lubricant will flow from a container.
lowest
Anti-wear additives _______ engine wear by forming a protective film between moving parts.
reduce
When using a Visgage, the oil sample is drawn from the _______ container.
sample
The oil should be Ambient or Room Temperature when conducting a viscosity test using the Gerin _____ ____Viscosity Comparator.
Falling Ball
(FOWK) stands for
Fuel, Oil and Water King (FOWK)
__ ___is also known as Diesel Fuel #2 (DF-2).
F-76
JP-5 is also known as __ ___.
F-44.
Chemical ________ of fuel oil are called oxidizers.
instabilities
The accelerated corrosion process that occurs to cylinder liners if ____ _____ is used is called Liner Pitting.
plain water
The following treatments are authorized for ________ ________ cooling systems: NALFLEET 9- 111 Inhibitor, Caterpillar Extended Life Coolant 50/50 Premix and Glysacorr G93.
wetted aluminum
Dissolved calcium and ________ can lead to scale formation and is referred to as hardness.
magnesium
150 micromho per centimeter or 40 ppm chloride is the maximum __________ limit of conductivity or chloride for diesel engine make-up water.
acceptable
24 hours is the maximum time an engine is allowed to sit without running or circulating the _______ ________ solution after renewing the solution.
engine treatment
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.
acid
When testing jacket water using the refractometer, a ____ _____ is used to apply the jacket water to the meter.
dip-stick
