Oilers/Plant Tenders (HHC) Civil Service
Exam
The texture of an aluminum-soap lubricating grease is _________ *** Stringy
The property of a lubricant the allows it to adhere to metallic surfaces is known as ________ ***
Oiliness
The physical appearance of a grease with a consistency number of four is MOST NEARLY _________ ***
Hard
The one of the following measures that is commonly used to represent a rate of oil feed is drops per
________ *** Minute
The MOST important single property of a lubricating oil is its __________ *** Viscosity
The rate of change in viscosity of a petroleum oil with its temperature is indicated by its __________ ***
Viscosity Index
The neutralization number of an oil is an indication of its __________ *** Organic or Mineral Acidity
Graphite is a form of __________ *** Anthracite Coal
The BASIC ingredient in the manufacture of lubricating greases is __________ *** Soap
A test of grease that identifies greases and indicates uniformity in their manufacture is known as the
__________ test. *** Dropping-Point
,The bearing materials usually called "white metals" or Babbit metal consist MAINLY of __________ ***
Tin 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. *** 120
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
The one of the following metals that is non-ferrous is __________ *** Copper
The common terms "heavy" and "light", applied to an oil, refer ONLY to the oil's __________ ***
Viscosity
The ring in ring-oiled bearings has a diameter that is USUALLY __________ the journal the diameter. ***
Twice
A boiler feedwater regulator automatically controls the __________ the boiler. *** Water Supply to
The dirty oil to be purified in an operating DeLaval Purifier enters the purifier bowl from the __________
*** Top of the machine
The APPROXIMATE ropm of a Sharpies oil purifier is __________ *** 16,000
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 __________ *** 160 degrees F
The one of the following that is NOT a method for removing contaminants from oil is __________ ***
Centripeting
,An engine indicator is an instrument that is used on a reciprocating engine to determine the __________
the engine. *** Performance of
The MAXIMUM bearing oil discharge temperature at which a turbine beating may satisfactorily operate
is __________ *** 200 degrees F
Generally, at which point should a turbine-driven generator, with an integral lubricating oil system, put
the lube oil cooler in operation? *** When 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 __________ *** Pressure Circulation Lubrication
Lubrication for modern reciprocation air compressors is GENERALLY supplied by __________ *** A
Mechanical Force-Feed Oiler
Aftercoolers are put on MOST air compressor installations to __________ *** Condense 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) __________ *** Street Elbow
The one of the following actions that MUST be taken during normal operation to clean a knife edge
(cuneo) strainer is __________ *** Rotating the Cleaner Blades
Detergents are used in lubricating oils to __________ *** Keep Insoluble Matter in Suspension
, The purpose of adding an inhibitor to lubricating oil is to __________ the engine. *** Prevent Sludge
and Varnish Formation on Parts of
The relationship between lubricating oil viscosities and temperature is that the viscosities *** Decrease
with a Temperature Increase
The ons of the following fluids that should be used when cleaning filter bags pressure-type lube oil filters
is __________ *** Kerosene
The precaution, or precautions, that an oiler must take when he is using absorbent type lubricating oil
filters is to __________ *** Make 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 __________ *** Hydrometer
Of the following, the MOST important requirement of a refrigerator lubricant is that it have __________
*** Freedom 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 __________ *** A Clogged Strainer
The wick used in a gravity oil-feed system is USUALLY made of __________ *** Wool
A thrust bearing is LEAST likely to be fond on a(n) __________ *** Reciprocating Pump
A valve that allows oil to flow in one direction only is GENERALLY called a __________ valve. *** Check
The one of the following types of oils MOST preferred for the hydraulic govenor of a reciprocating steam
engine is __________ oil. *** Non-Additive Turbine Type
Exam
The texture of an aluminum-soap lubricating grease is _________ *** Stringy
The property of a lubricant the allows it to adhere to metallic surfaces is known as ________ ***
Oiliness
The physical appearance of a grease with a consistency number of four is MOST NEARLY _________ ***
Hard
The one of the following measures that is commonly used to represent a rate of oil feed is drops per
________ *** Minute
The MOST important single property of a lubricating oil is its __________ *** Viscosity
The rate of change in viscosity of a petroleum oil with its temperature is indicated by its __________ ***
Viscosity Index
The neutralization number of an oil is an indication of its __________ *** Organic or Mineral Acidity
Graphite is a form of __________ *** Anthracite Coal
The BASIC ingredient in the manufacture of lubricating greases is __________ *** Soap
A test of grease that identifies greases and indicates uniformity in their manufacture is known as the
__________ test. *** Dropping-Point
,The bearing materials usually called "white metals" or Babbit metal consist MAINLY of __________ ***
Tin 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. *** 120
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
The one of the following metals that is non-ferrous is __________ *** Copper
The common terms "heavy" and "light", applied to an oil, refer ONLY to the oil's __________ ***
Viscosity
The ring in ring-oiled bearings has a diameter that is USUALLY __________ the journal the diameter. ***
Twice
A boiler feedwater regulator automatically controls the __________ the boiler. *** Water Supply to
The dirty oil to be purified in an operating DeLaval Purifier enters the purifier bowl from the __________
*** Top of the machine
The APPROXIMATE ropm of a Sharpies oil purifier is __________ *** 16,000
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 __________ *** 160 degrees F
The one of the following that is NOT a method for removing contaminants from oil is __________ ***
Centripeting
,An engine indicator is an instrument that is used on a reciprocating engine to determine the __________
the engine. *** Performance of
The MAXIMUM bearing oil discharge temperature at which a turbine beating may satisfactorily operate
is __________ *** 200 degrees F
Generally, at which point should a turbine-driven generator, with an integral lubricating oil system, put
the lube oil cooler in operation? *** When 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 __________ *** Pressure Circulation Lubrication
Lubrication for modern reciprocation air compressors is GENERALLY supplied by __________ *** A
Mechanical Force-Feed Oiler
Aftercoolers are put on MOST air compressor installations to __________ *** Condense 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) __________ *** Street Elbow
The one of the following actions that MUST be taken during normal operation to clean a knife edge
(cuneo) strainer is __________ *** Rotating the Cleaner Blades
Detergents are used in lubricating oils to __________ *** Keep Insoluble Matter in Suspension
, The purpose of adding an inhibitor to lubricating oil is to __________ the engine. *** Prevent Sludge
and Varnish Formation on Parts of
The relationship between lubricating oil viscosities and temperature is that the viscosities *** Decrease
with a Temperature Increase
The ons of the following fluids that should be used when cleaning filter bags pressure-type lube oil filters
is __________ *** Kerosene
The precaution, or precautions, that an oiler must take when he is using absorbent type lubricating oil
filters is to __________ *** Make 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 __________ *** Hydrometer
Of the following, the MOST important requirement of a refrigerator lubricant is that it have __________
*** Freedom 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 __________ *** A Clogged Strainer
The wick used in a gravity oil-feed system is USUALLY made of __________ *** Wool
A thrust bearing is LEAST likely to be fond on a(n) __________ *** Reciprocating Pump
A valve that allows oil to flow in one direction only is GENERALLY called a __________ valve. *** Check
The one of the following types of oils MOST preferred for the hydraulic govenor of a reciprocating steam
engine is __________ oil. *** Non-Additive Turbine Type
