1 Exampromax - Stuvia US 2025/2026
OILERS/PLANT TENDERS (HHC) CIVIL
SERVICE EXAM (PREP TEST QUESTIONS
FOR THE EXAM) 2025 QUESTIONS WITH
COMPLETE SOLUTIONS!! A+
The texture of an aluminum-soap lubricating grease is _________
Ans: Stringy
The property of a lubricant the allows it to adhere to metallic surfaces is
known as ________
Ans: Oiliness
© 2025 Assignment Expert
Exampromax - Stuvia US
The physical appearance of a grease with a consistency number of four is
MOST NEARLY _________
Ans: Hard
The one of the following measures that is commonly used to represent a
rate of oil feed is drops per ________
Ans: Minute
The MOST important single property of a lubricating oil is its __________
Ans: Viscosity
The rate of change in viscosity of a petroleum oil with its temperature is
indicated by its __________
Ans: Viscosity Index
The neutralization number of an oil is an indication of its __________
Ans: Organic or Mineral Acidity
Graphite is a form of __________
Ans: Anthracite Coal
, 2 Exampromax - Stuvia US 2025/2026
The BASIC ingredient in the manufacture of lubricating greases is
__________
Ans: Soap
A test of grease that identifies greases and indicates uniformity in their
manufacture is known as the __________ test.
Ans: Dropping-Point
The bearing materials usually called "white metals" or Babbit metal consist
MAINLY of __________
Ans: Tin and Copper
© 2025 Assignment Expert
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 __________
Exampromax - Stuvia US
degrees apart.
Ans: 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 __________
Ans: Penetration of the wire strands
The one of the following metals that is non-ferrous is __________
Ans: Copper
The common terms "heavy" and "light", applied to an oil, refer ONLY to
the oil's __________
Ans: Viscosity
The ring in ring-oiled bearings has a diameter that is USUALLY
__________ the journal the diameter.
Ans: Twice
A boiler feedwater regulator automatically controls the __________ the
boiler.
, 3 Exampromax - Stuvia US 2025/2026
Ans: Water Supply to
The dirty oil to be purified in an operating DeLaval Purifier enters the
purifier bowl from the __________
Ans: Top of the machine
The APPROXIMATE ropm of a Sharpies oil purifier is __________
Ans: 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 __________
© 2025 Assignment Expert
Ans: 160 degrees F
Exampromax - Stuvia US
The one of the following that is NOT a method for removing contaminants
from oil is __________
Ans: Centripeting
An engine indicator is an instrument that is used on a reciprocating engine
to determine the __________ the engine.
Ans: Performance of
The MAXIMUM bearing oil discharge temperature at which a turbine
beating may satisfactorily operate is __________
Ans: 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?
Ans: 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 __________
Ans: Pressure Circulation Lubrication
, 4 Exampromax - Stuvia US 2025/2026
Lubrication for modern reciprocation air compressors is GENERALLY
supplied by __________
Ans: A Mechanical Force-Feed Oiler
Aftercoolers are put on MOST air compressor installations to __________
Ans: 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) __________
Ans: Street Elbow
The one of the following actions that MUST be taken during normal
© 2025 Assignment Expert
operation to clean a knife edge (cuneo) strainer is __________
Exampromax - Stuvia US
Ans: Rotating the Cleaner Blades
Detergents are used in lubricating oils to __________
Ans: Keep Insoluble Matter in Suspension
The purpose of adding an inhibitor to lubricating oil is to __________ the
engine.
Ans: Prevent Sludge and Varnish Formation on Parts of
The relationship between lubricating oil viscosities and temperature is that
the viscosities
Ans: 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 __________
Ans: Kerosene
The precaution, or precautions, that an oiler must take when he is using
absorbent type lubricating oil filters is to __________
Ans: Make Sure that the Particular Oil Additives are not Removed by the Filter
OILERS/PLANT TENDERS (HHC) CIVIL
SERVICE EXAM (PREP TEST QUESTIONS
FOR THE EXAM) 2025 QUESTIONS WITH
COMPLETE SOLUTIONS!! A+
The texture of an aluminum-soap lubricating grease is _________
Ans: Stringy
The property of a lubricant the allows it to adhere to metallic surfaces is
known as ________
Ans: Oiliness
© 2025 Assignment Expert
Exampromax - Stuvia US
The physical appearance of a grease with a consistency number of four is
MOST NEARLY _________
Ans: Hard
The one of the following measures that is commonly used to represent a
rate of oil feed is drops per ________
Ans: Minute
The MOST important single property of a lubricating oil is its __________
Ans: Viscosity
The rate of change in viscosity of a petroleum oil with its temperature is
indicated by its __________
Ans: Viscosity Index
The neutralization number of an oil is an indication of its __________
Ans: Organic or Mineral Acidity
Graphite is a form of __________
Ans: Anthracite Coal
, 2 Exampromax - Stuvia US 2025/2026
The BASIC ingredient in the manufacture of lubricating greases is
__________
Ans: Soap
A test of grease that identifies greases and indicates uniformity in their
manufacture is known as the __________ test.
Ans: Dropping-Point
The bearing materials usually called "white metals" or Babbit metal consist
MAINLY of __________
Ans: Tin and Copper
© 2025 Assignment Expert
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 __________
Exampromax - Stuvia US
degrees apart.
Ans: 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 __________
Ans: Penetration of the wire strands
The one of the following metals that is non-ferrous is __________
Ans: Copper
The common terms "heavy" and "light", applied to an oil, refer ONLY to
the oil's __________
Ans: Viscosity
The ring in ring-oiled bearings has a diameter that is USUALLY
__________ the journal the diameter.
Ans: Twice
A boiler feedwater regulator automatically controls the __________ the
boiler.
, 3 Exampromax - Stuvia US 2025/2026
Ans: Water Supply to
The dirty oil to be purified in an operating DeLaval Purifier enters the
purifier bowl from the __________
Ans: Top of the machine
The APPROXIMATE ropm of a Sharpies oil purifier is __________
Ans: 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 __________
© 2025 Assignment Expert
Ans: 160 degrees F
Exampromax - Stuvia US
The one of the following that is NOT a method for removing contaminants
from oil is __________
Ans: Centripeting
An engine indicator is an instrument that is used on a reciprocating engine
to determine the __________ the engine.
Ans: Performance of
The MAXIMUM bearing oil discharge temperature at which a turbine
beating may satisfactorily operate is __________
Ans: 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?
Ans: 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 __________
Ans: Pressure Circulation Lubrication
, 4 Exampromax - Stuvia US 2025/2026
Lubrication for modern reciprocation air compressors is GENERALLY
supplied by __________
Ans: A Mechanical Force-Feed Oiler
Aftercoolers are put on MOST air compressor installations to __________
Ans: 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) __________
Ans: Street Elbow
The one of the following actions that MUST be taken during normal
© 2025 Assignment Expert
operation to clean a knife edge (cuneo) strainer is __________
Exampromax - Stuvia US
Ans: Rotating the Cleaner Blades
Detergents are used in lubricating oils to __________
Ans: Keep Insoluble Matter in Suspension
The purpose of adding an inhibitor to lubricating oil is to __________ the
engine.
Ans: Prevent Sludge and Varnish Formation on Parts of
The relationship between lubricating oil viscosities and temperature is that
the viscosities
Ans: 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 __________
Ans: Kerosene
The precaution, or precautions, that an oiler must take when he is using
absorbent type lubricating oil filters is to __________
Ans: Make Sure that the Particular Oil Additives are not Removed by the Filter
