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Definitions (384)

1.

3   2

Neutralization number


a measure of the total acidity or basicity of an oil; this includes organic or inorganic acids or bases or a combination thereof.
Source: analystsinc.com

2.

1   1

Pneumatics


engineering science pertaining to gaseous pressure and flow.
Source: analystsinc.com

3.

1   0

Multigrade oil


an oil meeting the requirements of more than one SAE viscosity grade classification, and may therefore be suitable for use over a wider temperature range than a single-grade oil.
Source: analystsinc.com

4.

1   1

Multigrade oil


one of the multiviscosity number oils in which one oil combines three SAE viscosity number grades. For example, multigrade SAE 1 OW-40 grade may be used where SAE 1 OW, SAE 20W, SAE 20, SAE 30, or SAE [..]
Source: analystsinc.com

5.

1   1

Emulsibility


the ability of a non-water-soluble fluid to form an emulsion with water.
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1   1

Thin film lubrication


a condition of lubrication in which the film thickness of the lubricant is such that the friction between the surfaces is determined by the properties of the surfaces as well as by the viscosity of th [..]
Source: analystsinc.com

7.

1   1

Thermal stability


ability of a fuel or lubricant to resist oxidation under high temperature operating conditions.
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8.

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Positive crankcase ventilation


system for removing blow-by gases from the crankcase and returning them through the carburetor intake manifold to the combustion chamber where the recirculated hydrocarbons are burned. A PC valve cont [..]
Source: analystsinc.com

9.

0   0

Porosity


the ratio of pore volume to total volume of a filter medium expressed as a percent.
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10.

0   0

Pore size distribution


the ratio of the number of effective holes of a given size to the total number of effective holes per unit area expressed as a percent and as a function of hole size.
Source: analystsinc.com


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