Oilers, Plant Tenders (HHC) Civil Service Exam Questions and Answers 2024

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Oilers, Plant Tenders (HHC) Civil Service Exam Questions and Answers 2024

1. The texture of an aluminum-soap lubricating grease is : Stringy 2. The property of a lubricant the allows it to adhere to metallic surfaces is known as : Oiliness 3. The physical appearance of a grease with a consistency number of four is MOST NEARLY : Hard 4. The one of the following measures that is commonly used to represent a rate of oil feed is drops per : Minute 5. The MOST important single property of a lubricating oil is its : - Viscosity 6. The rate of change in viscosity of a petroleum oil with its temperature is indicated by its : Viscosity Index 7. The neutralization number of an oil is an indication of its : Or- ganic or Mineral Acidity 8. Graphite is a form of : Anthracite Coal 9. The BASIC ingredient in the manufacture of lubricating greases is : Soap 10. A test of grease that identifies greases and indicates uniformity in their manufacture is known as the test.: Dropping-Point 11. The bearing materials usually called "white metals" or Babbit metal consist MAINLY of : Tin and Copper 12. It is GOOD practice in the installation of three new packing rings in a stuffing box to require that the joints of the packing be spaced degrees apart.: 120 13. The objective in the use of applicaors for wire-rope lubrication is to apply a smooth even film at a temperature conducive to the : Penetration of the wire strands 14. The one of the following metals that is non-ferrous is : Copper 15. The common terms "heavy" and "light", applied to an oil,refer ONLY to the oil's : Viscosity 16. The ring in ring-oiled bearings has a diameter that is USUALLY the journal the diameter.: Twice 17. A boiler feedwater regulator automatically controls the the boiler.: Water Supply to 18. The dirty oil to be purified in an operating DeLaval Purifier enters the purifier bowl from the : Top of the machine 19. The APPROXIMATE ropm of a Sharpies oil purifier is : 16,000 20. In order to have effective separation of purification in a Delaval Purifier, it is recommended that the oil to be cleaned be heated to an APPROXIAMTE temperature of : 160 degrees F 21. The one of the following that is NOT a method for removing contaminants from oil is : Centripeting 22. An engine indicator is an instrument that is used on a reciprocating engine to determine the the engine.: Performance

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