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10 Cards in this Set
- Front
- Back
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Specialty greases have been thickened with solid lubricants such as: 1. Talc 2. Mica 3. Graphite 4. Silicones 1) 1, 3, 4 2) 1, 2, 3 3) 1, 2, 3, 4 4) 2, 3, 4 5) 1, 2, 4 |
2) 1, 2, 3 |
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The kind of grease used for heavily loaded machinery operating at slow speeds is the: 1) Acid base grease 2) Calcium base grease 3) Sodium base grease 4) Specialty grease 5) Mixed base grease |
Specialty grease |
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Materials that are used as solid lubricants are: 1. Soapstone 2. Mica 3. Molybdenum disulfide 4. Graphite 1) 2, 3, 4 2) 1, 2, 3, 4 3) 1, 2, 3 4) 1, 2, 4 5) 1, 3, 4 |
2) 1, 2, 3, 4 |
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The _____ number of oil indicates the acidity of oil. 1) pH 2) Alkalinity 3) Acidity 4) Viscosity index 5) Neutralization |
Neutralization |
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Gear lubricating oil used for enclosed gears has a: 1) High fire point 2) Low fire point 3) Low viscosity 4) High viscosity 5) High pour point |
Low viscosity |
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Oils with a low pour point should be used in: 1) Hot climates 2) High humidity situations 3) Temperatures of a climate that does not matter 4) Cold climates 5) Climates that have drastic temperature changes |
Cold climates |
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The cheapest and most commonly used grease is: 1) Chlorine base 2) Water base 3) Sulphate base 4) Lime base 5) Potassium base |
Lime base |
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A lubricant for an anti-friction bearing under high temperature is: 1) Specialty grease 2) Mineral oil 3) Graphite 4) Not required 5) Barium or lithium base grease |
Mineral oil |
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The viscosity of oil is expressed in units abbreviated by: 1) SSV 2) SAS 3) SBV 4) SBU 5) SSU |
SSU |
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High viscosity oils are normally used for the following applications: 1) Low speed, low pressure 2) High speed, low temperature 3) Low speed, high load 4) High temperature, low load 5) High speed, high load |
Low speed, high load |
