Oilers/Plant Tenders (HHC) Civil Service Exam 2024 with 100% correct answers
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Course
Oilers/Plant Tenders Civil Service
Institution
Oilers/Plant Tenders Civil Service
The texture of an aluminum-soap lubricating grease is _________ correct answersStringy
The property of a lubricant the allows it to adhere to metallic surfaces is known as ________ correct answersOiliness
The physical appearance of a grease with a consistency number of four is MOST NEARLY ___...
The texture of an aluminum-soap lubricating grease is _________ correct answersStringy
The property of a lubricant the allows it to adhere to metallic surfaces is known as ________ correct
answersOiliness
The physical appearance of a grease with a consistency number of four is MOST NEARLY _________
correct answersHard
The one of the following measures that is commonly used to represent a rate of oil feed is drops per
________ correct answersMinute
The MOST important single property of a lubricating oil is its __________ correct answersViscosity
The rate of change in viscosity of a petroleum oil with its temperature is indicated by its __________
correct answersViscosity Index
The neutralization number of an oil is an indication of its __________ correct answersOrganic or Mineral
Acidity
Graphite is a form of __________ correct answersAnthracite Coal
The BASIC ingredient in the manufacture of lubricating greases is __________ correct answersSoap
A test of grease that identifies greases and indicates uniformity in their manufacture is known as the
__________ test. correct answersDropping-Point
,The bearing materials usually called "white metals" or Babbit metal consist MAINLY of __________
correct answersTin and Copper
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. correct answers120
The objective in the use of applicaors for wire-rope lubrication is to apply a smooth even film at a
temperature conducive to the __________ correct answersPenetration of the wire strands
The one of the following metals that is non-ferrous is __________ correct answersCopper
The common terms "heavy" and "light", applied to an oil, refer ONLY to the oil's __________ correct
answersViscosity
The ring in ring-oiled bearings has a diameter that is USUALLY __________ the journal the diameter.
correct answersTwice
A boiler feedwater regulator automatically controls the __________ the boiler. correct answersWater
Supply to
The dirty oil to be purified in an operating DeLaval Purifier enters the purifier bowl from the __________
correct answersTop of the machine
The APPROXIMATE ropm of a Sharpies oil purifier is __________ correct answers16,000
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 __________ correct answers160 degrees F
The one of the following that is NOT a method for removing contaminants from oil is __________ correct
answersCentripeting
,An engine indicator is an instrument that is used on a reciprocating engine to determine the __________
the engine. correct answersPerformance of
The MAXIMUM bearing oil discharge temperature at which a turbine beating may satisfactorily operate
is __________ correct answers200 degrees F
Generally, at which point should a turbine-driven generator, with an integral lubricating oil system, put
the lube oil cooler in operation? correct answersWhen the temperature of the hottest bearing reaches
100 degrees F
In modern practice, the method by which turbine-generator reduction gear surfaces NORMALLY recieve
lubrication oil is __________ correct answersPressure Circulation Lubrication
Lubrication for modern reciprocation air compressors is GENERALLY supplied by __________ correct
answersA Mechanical Force-Feed Oiler
Aftercoolers are put on MOST air compressor installations to __________ correct answersCondense
Moisture from Compressed Air
A pipe fitting having a male thread at one end, a female thread at the other end, and shaped to a ninety-
degree bend is called a(n) __________ correct answersStreet Elbow
The one of the following actions that MUST be taken during normal operation to clean a knife edge
(cuneo) strainer is __________ correct answersRotating the Cleaner Blades
Detergents are used in lubricating oils to __________ correct answersKeep Insoluble Matter in
Suspension
The purpose of adding an inhibitor to lubricating oil is to __________ the engine. correct
answersPrevent Sludge and Varnish Formation on Parts of
The relationship between lubricating oil viscosities and temperature is that the viscosities correct
answersDecrease with a Temperature Increase
, The ons of the following fluids that should be used when cleaning filter bags pressure-type lube oil filters
is __________ correct answersKerosene
The precaution, or precautions, that an oiler must take when he is using absorbent type lubricating oil
filters is to __________ correct answersMake Sure that the Particular Oil Additives are not Removed by
the Filter
The specific gravity of lubricating oil is USUALLY measured by means of a __________ correct
answersHydrometer
Of the following, the MOST important requirement of a refrigerator lubricant is that it have __________
correct answersFreedom from Water
The one of the following faults that would MOST generally cause a sudden increase in oil pressure in a
lubricating line to a bearing is __________ correct answersA Clogged Strainer
The wick used in a gravity oil-feed system is USUALLY made of __________ correct answersWool
A thrust bearing is LEAST likely to be fond on a(n) __________ correct answersReciprocating Pump
A valve that allows oil to flow in one direction only is GENERALLY called a __________ valve. correct
answersCheck
The one of the following types of oils MOST preferred for the hydraulic govenor of a reciprocating steam
engine is __________ oil. correct answersNon-Additive Turbine Type
The one of the following pumps that does NOT have moving parts to be lubricated is a __________
pump. correct answersJet
The LARGEST class of lubricants in common use is __________ correct answersMineral Oil
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