OILERS/PLANT TENDERS (HHC) CIVIL
SERVICE EXAM QUESTIONS AND ANSWERS
The texture of an aluminum-soap lubricating grease is _________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx
Stringy
The property of a lubricant the allows it to adhere to metallic surfaces is known as
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
________ - ANSWERS-Oiliness vx vx
The physical appearance of a grease with a consistency number of four is MOST N
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
EARLY _________ - ANSWERS-Hard vx vx vx
The one of the following measures that is commonly used to represent a rate of oil
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
feed is drops per ________ - ANSWERS-Minute
vx vx vx vx vx vx
The MOST important single property of a lubricating oil is its __________ -
vx vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-Viscosity
vx
The rate of change in viscosity of a petroleum oil with its temperature is indicated b
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
y its __________ - ANSWERS-Viscosity Index
vx vx vx vx vx
The neutralization number of an oil is an indication of its __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx vx vx
Organic or Mineral Acidity vx vx vx
Graphite is a form of __________ - ANSWERS-Anthracite Coal
vx vx vx vx vx vx vx vx
The BASIC ingredient in the manufacture of lubricating greases is __________ -
vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-Soap
vx
A test of grease that identifies greases and indicates uniformity in their manufacture
vx vx vx vx vx vx vx vx vx vx vx vx
is known as the __________ test. - ANSWERS-Dropping-Point
vx vx vx vx vx vx vx vx
The bearing materials usually called "white metals" or Babbit metal consist MAINLY
vx vx vx vx vx vx vx vx vx vx vx
of __________ - ANSWERS-Tin and Copper
vx vx vx vx vx vx
It is GOOD practice in the installation of three new packing rings in a stuffing box t
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
o require that the joints of the packing be spaced __________ degrees apart. -
vx vx vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-120
vx
The objective in the use of applicaors for wire-
vx vx vx vx vx vx vx vx
rope lubrication is to apply a smooth even film at a temperature conducive to the _
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
_________ - ANSWERS-Penetration of the wire strandsvx vx vx vx vx vx
The one of the following metals that is non-ferrous is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx vx
Copper
The common terms "heavy" and "light", applied to an oil, refer ONLY to the oil's __
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
________ - ANSWERS-Viscosity vx vx
,The ring in ring-vx vx vx
oiled bearings has a diameter that is USUALLY __________ the journal the diamet
vx vx vx vx vx vx vx vx vx vx vx vx
er. - ANSWERS-Twice
vx vx
A boiler feedwater regulator automatically controls the __________ the boiler. -
vx vx vx vx vx vx vx vx vx vx
ANSWERS-Water Supply to
vx vx vx
The dirty oil to be purified in an operating DeLaval Purifier enters the purifier bowl f
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
rom the __________ - ANSWERS-Top of the machine
vx vx vx vx vx vx vx
The APPROXIMATE ropm of a Sharpies oil purifier is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx
16,000
In order to have effective separation of purification in a Delaval Purifier, it is recom
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
mended that the oil to be cleaned be heated to an APPROXIAMTE temperature of
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
__________ - ANSWERS-160 degrees F vx vx vx vx
The one of the following that is NOT a method for removing contaminants from oil i
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
s __________ - ANSWERS-Centripeting
vx vx vx
An engine indicator is an instrument that is used on a reciprocating engine to deter
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
mine the __________ the engine. - ANSWERS-Performance of
vx vx vx vx vx vx vx
The MAXIMUM bearing oil discharge temperature at which a turbine beating may s
vx vx vx vx vx vx vx vx vx vx vx vx
atisfactorily operate is __________ - ANSWERS-200 degrees F
vx vx vx vx vx vx vx
Generally, at which point should a turbine- vx vx vx vx vx vx
driven generator, with an integral lubricating oil system, put the lube oil cooler in op
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
eration? - ANSWERS- vx vx
When the temperature of the hottest bearing reaches 100 degrees F
vx vx vx vx vx vx vx vx vx vx
In modern practice, the method by which turbine-
vx vx vx vx vx vx vx
generator reduction gear surfaces NORMALLY recieve lubrication oil is _________
vx vx vx vx vx vx vx vx vx
_ - ANSWERS-Pressure Circulation Lubrication
vx vx vx vx
Lubrication for modern reciprocation air compressors is GENERALLY supplied by _
vx vx vx vx vx vx vx vx vx vx
_________ - ANSWERS-A Mechanical Force-Feed Oiler vx vx vx vx vx
Aftercoolers are put on MOST air compressor installations to __________ -
vx vx vx vx vx vx vx vx vx vx
ANSWERS-Condense Moisture from Compressed Air
vx vx vx vx vx
A pipe fitting having a male thread at one end, a female thread at the other end, an
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
d shaped to a ninety-degree bend is called a(n) __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx
Street Elbow vx
The one of the following actions that MUST be taken during normal operation to cle
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
an a knife edge (cuneo) strainer is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx
Rotating the Cleaner Blades vx vx vx
, Detergents are used in lubricating oils to __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx
Keep Insoluble Matter in Suspension
vx vx vx vx
The purpose of adding an inhibitor to lubricating oil is to __________ the engine. -
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-Prevent Sludge and Varnish Formation on Parts of
vx vx vx vx vx vx vx vx
The relationship between lubricating oil viscosities and temperature is that the visco
vx vx vx vx vx vx vx vx vx vx vx
sities - ANSWERS-Decrease with a Temperature Increase
vx vx vx vx vx vx
The ons of the following fluids that should be used when cleaning filter bags pressu
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
re-type lube oil filters is __________ - ANSWERS-Kerosene
vx vx vx vx vx vx vx
The precaution, or precautions, that an oiler must take when he is using absorbent
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
type lubricating oil filters is to __________ - ANSWERS-
vx vx vx vx vx vx vx vx
Make Sure that the Particular Oil Additives are not Removed by the Filter
vx vx vx vx vx vx vx vx vx vx vx vx
The specific gravity of lubricating oil is USUALLY measured by means of a ______
vx vx vx vx vx vx vx vx vx vx vx vx vx
____ - ANSWERS-Hydrometer
vx vx
Of the following, the MOST important requirement of a refrigerator lubricant is that i
vx vx vx vx vx vx vx vx vx vx vx vx vx
t have __________ - ANSWERS-Freedom from Water
vx vx vx vx vx vx
The one of the following faults that would MOST generally cause a sudden increas
vx vx vx vx vx vx vx vx vx vx vx vx vx
e in oil pressure in a lubricating line to a bearing is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
A Clogged Strainer
vx vx
The wick used in a gravity oil-feed system is USUALLY made of __________ -
vx vx vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-Wool
vx
A thrust bearing is LEAST likely to be fond on a(n) __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx vx vx
Reciprocating Pump vx
A valve that allows oil to flow in one direction only is GENERALLY called a ______
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
____ valve. - ANSWERS-Check
vx vx vx
The one of the following types of oils MOST preferred for the hydraulic govenor of
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
a reciprocating steam engine is __________ oil. - ANSWERS-Non-
vx vx vx vx vx vx vx vx
Additive Turbine Type vx vx
The one of the following pumps that does NOT have moving parts to be lubricated i
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
s a __________ pump. - ANSWERS-Jet
vx vx vx vx vx
The LARGEST class of lubricants in common use is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx
Mineral Oil vx
The sealing fluid in lubricating oil centrifuges is __________ - ANSWERS-Water
vx vx vx vx vx vx vx vx vx vx
In a well-
vx vx
operated lubricating oil and grease storage facility, lubricating oil is NOT normally r
vx vx vx vx vx vx vx vx vx vx vx vx
SERVICE EXAM QUESTIONS AND ANSWERS
The texture of an aluminum-soap lubricating grease is _________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx
Stringy
The property of a lubricant the allows it to adhere to metallic surfaces is known as
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
________ - ANSWERS-Oiliness vx vx
The physical appearance of a grease with a consistency number of four is MOST N
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
EARLY _________ - ANSWERS-Hard vx vx vx
The one of the following measures that is commonly used to represent a rate of oil
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
feed is drops per ________ - ANSWERS-Minute
vx vx vx vx vx vx
The MOST important single property of a lubricating oil is its __________ -
vx vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-Viscosity
vx
The rate of change in viscosity of a petroleum oil with its temperature is indicated b
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
y its __________ - ANSWERS-Viscosity Index
vx vx vx vx vx
The neutralization number of an oil is an indication of its __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx vx vx
Organic or Mineral Acidity vx vx vx
Graphite is a form of __________ - ANSWERS-Anthracite Coal
vx vx vx vx vx vx vx vx
The BASIC ingredient in the manufacture of lubricating greases is __________ -
vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-Soap
vx
A test of grease that identifies greases and indicates uniformity in their manufacture
vx vx vx vx vx vx vx vx vx vx vx vx
is known as the __________ test. - ANSWERS-Dropping-Point
vx vx vx vx vx vx vx vx
The bearing materials usually called "white metals" or Babbit metal consist MAINLY
vx vx vx vx vx vx vx vx vx vx vx
of __________ - ANSWERS-Tin and Copper
vx vx vx vx vx vx
It is GOOD practice in the installation of three new packing rings in a stuffing box t
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
o require that the joints of the packing be spaced __________ degrees apart. -
vx vx vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-120
vx
The objective in the use of applicaors for wire-
vx vx vx vx vx vx vx vx
rope lubrication is to apply a smooth even film at a temperature conducive to the _
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
_________ - ANSWERS-Penetration of the wire strandsvx vx vx vx vx vx
The one of the following metals that is non-ferrous is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx vx
Copper
The common terms "heavy" and "light", applied to an oil, refer ONLY to the oil's __
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
________ - ANSWERS-Viscosity vx vx
,The ring in ring-vx vx vx
oiled bearings has a diameter that is USUALLY __________ the journal the diamet
vx vx vx vx vx vx vx vx vx vx vx vx
er. - ANSWERS-Twice
vx vx
A boiler feedwater regulator automatically controls the __________ the boiler. -
vx vx vx vx vx vx vx vx vx vx
ANSWERS-Water Supply to
vx vx vx
The dirty oil to be purified in an operating DeLaval Purifier enters the purifier bowl f
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
rom the __________ - ANSWERS-Top of the machine
vx vx vx vx vx vx vx
The APPROXIMATE ropm of a Sharpies oil purifier is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx
16,000
In order to have effective separation of purification in a Delaval Purifier, it is recom
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
mended that the oil to be cleaned be heated to an APPROXIAMTE temperature of
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
__________ - ANSWERS-160 degrees F vx vx vx vx
The one of the following that is NOT a method for removing contaminants from oil i
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
s __________ - ANSWERS-Centripeting
vx vx vx
An engine indicator is an instrument that is used on a reciprocating engine to deter
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
mine the __________ the engine. - ANSWERS-Performance of
vx vx vx vx vx vx vx
The MAXIMUM bearing oil discharge temperature at which a turbine beating may s
vx vx vx vx vx vx vx vx vx vx vx vx
atisfactorily operate is __________ - ANSWERS-200 degrees F
vx vx vx vx vx vx vx
Generally, at which point should a turbine- vx vx vx vx vx vx
driven generator, with an integral lubricating oil system, put the lube oil cooler in op
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
eration? - ANSWERS- vx vx
When the temperature of the hottest bearing reaches 100 degrees F
vx vx vx vx vx vx vx vx vx vx
In modern practice, the method by which turbine-
vx vx vx vx vx vx vx
generator reduction gear surfaces NORMALLY recieve lubrication oil is _________
vx vx vx vx vx vx vx vx vx
_ - ANSWERS-Pressure Circulation Lubrication
vx vx vx vx
Lubrication for modern reciprocation air compressors is GENERALLY supplied by _
vx vx vx vx vx vx vx vx vx vx
_________ - ANSWERS-A Mechanical Force-Feed Oiler vx vx vx vx vx
Aftercoolers are put on MOST air compressor installations to __________ -
vx vx vx vx vx vx vx vx vx vx
ANSWERS-Condense Moisture from Compressed Air
vx vx vx vx vx
A pipe fitting having a male thread at one end, a female thread at the other end, an
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
d shaped to a ninety-degree bend is called a(n) __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx
Street Elbow vx
The one of the following actions that MUST be taken during normal operation to cle
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
an a knife edge (cuneo) strainer is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx
Rotating the Cleaner Blades vx vx vx
, Detergents are used in lubricating oils to __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx
Keep Insoluble Matter in Suspension
vx vx vx vx
The purpose of adding an inhibitor to lubricating oil is to __________ the engine. -
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-Prevent Sludge and Varnish Formation on Parts of
vx vx vx vx vx vx vx vx
The relationship between lubricating oil viscosities and temperature is that the visco
vx vx vx vx vx vx vx vx vx vx vx
sities - ANSWERS-Decrease with a Temperature Increase
vx vx vx vx vx vx
The ons of the following fluids that should be used when cleaning filter bags pressu
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
re-type lube oil filters is __________ - ANSWERS-Kerosene
vx vx vx vx vx vx vx
The precaution, or precautions, that an oiler must take when he is using absorbent
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
type lubricating oil filters is to __________ - ANSWERS-
vx vx vx vx vx vx vx vx
Make Sure that the Particular Oil Additives are not Removed by the Filter
vx vx vx vx vx vx vx vx vx vx vx vx
The specific gravity of lubricating oil is USUALLY measured by means of a ______
vx vx vx vx vx vx vx vx vx vx vx vx vx
____ - ANSWERS-Hydrometer
vx vx
Of the following, the MOST important requirement of a refrigerator lubricant is that i
vx vx vx vx vx vx vx vx vx vx vx vx vx
t have __________ - ANSWERS-Freedom from Water
vx vx vx vx vx vx
The one of the following faults that would MOST generally cause a sudden increas
vx vx vx vx vx vx vx vx vx vx vx vx vx
e in oil pressure in a lubricating line to a bearing is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx vx vx vx
A Clogged Strainer
vx vx
The wick used in a gravity oil-feed system is USUALLY made of __________ -
vx vx vx vx vx vx vx vx vx vx vx vx vx
ANSWERS-Wool
vx
A thrust bearing is LEAST likely to be fond on a(n) __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx vx vx
Reciprocating Pump vx
A valve that allows oil to flow in one direction only is GENERALLY called a ______
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
____ valve. - ANSWERS-Check
vx vx vx
The one of the following types of oils MOST preferred for the hydraulic govenor of
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
a reciprocating steam engine is __________ oil. - ANSWERS-Non-
vx vx vx vx vx vx vx vx
Additive Turbine Type vx vx
The one of the following pumps that does NOT have moving parts to be lubricated i
vx vx vx vx vx vx vx vx vx vx vx vx vx vx vx
s a __________ pump. - ANSWERS-Jet
vx vx vx vx vx
The LARGEST class of lubricants in common use is __________ - ANSWERS-
vx vx vx vx vx vx vx vx vx vx vx
Mineral Oil vx
The sealing fluid in lubricating oil centrifuges is __________ - ANSWERS-Water
vx vx vx vx vx vx vx vx vx vx
In a well-
vx vx
operated lubricating oil and grease storage facility, lubricating oil is NOT normally r
vx vx vx vx vx vx vx vx vx vx vx vx
