Oiler Exam Prep Cards
The one of the following types of oils MOST preferred for the hydraulic governor of a reciprocating
steam engine is______ oil. ANS: Non-additive turbine type Oil
The one of the following pumps that does NOT have moving parts to be lubricated is a ______ pump
ANS: jet
The LARGEST class of lubricants in common use is ANS: Mineral oil
The sealing fluid in lubricating oil centrifuges is ANS: water
In a well - operated lubricating oil and grease storage facility , lubricating oil is NOT normally removed
from large drums by ANS: siphoning out of the top of the drum
storage facility The one of the following that is NOT the identification of a type of gear is a ___ gear ANS:
needle
The one of the following that is NOT an anti - friction bearing is the ___ bearing ANS: helical
There are five belts in the drive of a certain fan unit . One of the belts is very loose . The PROPER action
to take to correct this condition is to ANS: replace all belts with new belts
The one of the following activities that need NOT be performed before starting a forced draft fan unit
that has been shut down for some time is to ANS: open up the suction air valve
The oil at the bearing surface of a steam turbine is USUALLY hotter than the bearing oil discharge
temperature by ____degrees F. ANS: 50 to 80
,General experience indicates that the lubricating oil temperature for the bearings of steam turbines
should NOT be permitted to go above ___ degrees F. bearings ANS: 110 to 120
The FIRST step in determining the reason why the bearings of a ventilating fan are running hot is to ANS:
shut down the unit
AGMA Grade 1 lubricant is MOST NEARLY equivalent to SAE number ANS: 75
The letters AGMA , used when referring to a gear lubricant , are an abbreviation for the ANS: American
Gear Manufacturers Association
When the ignition characteristics of a fuel are represented by a cetane number , the fuel is NORMALLY
used in a ANS: diesel engine
The resistance to flow of a liquid is measured by a ( n ) ANS: viscosimeter
heated - steam reciprocating engine is to The MOST economical and effective method to get lubricating
oil into a horizontal super ANS: atomize the oil into the steam at the steam inlet
The parts of the valve in a poppet valve engine that require lubrication are the ___ guide ANS: cam and
tappet mechanism and the valve steam
The purpose of the seals that close the small openings between shafts in machinery , and the housings
through which they extend , is to ANS: exclude dirt and prevent the escape of lubricant
Lubricants in a diesel engine perform all of the following functions EXCEPT ANS: acting as a vibration
absorber
Lubricants in a diesel engine perform all of the following functions ANS: 1. acting as a cooling agent
, 2. assisting in sealing the piston - cylinder wall clearance
3. cleaning and carry away dirt and other foreign matter from bearings
The one of the following signs that would indicate that the oil supply passage to a hydrau lic lifter on a
diesel engine is plugged up is ANS: noise from the affected valve
A pyrometer on a diesel engine is used for measuring ANS: temperature
Water GENERALLY enters a diesel engine lubricating oil system because of ANS: condensation of
combustion products
Two gears are meshed together and have a gear ratio of to 1. If the small gear rotates 120 revolutions
per minute, the large gear rotates at ___ rpm? ANS: 20
The vacuum side of a compound gage reads 14 inches of vacuum . The barometer read ing is 29.76
inches of mercury . The equivalent absolute pressure of the compound gage reading , in inches of
mercury , is MOST likely ANS: 15.76
The fraction 5/8 , expressed as a decimal , is ANS: 0.625
If 300 feet of a certain size pipe weighs 450 pounds , the number of pounds that 100 feet will weigh is
ANS: 150
As an oiler , you work for a facility that has automobiles that use , on the average , 600 quarts of one
grade of lubricating oil every month . The number of one - gallon cans of the above oil that SHOULD be
ordered each month to meet this requirement is ANS: 150
The one of the following types of oils MOST preferred for the hydraulic governor of a reciprocating
steam engine is______ oil. ANS: Non-additive turbine type Oil
The one of the following pumps that does NOT have moving parts to be lubricated is a ______ pump
ANS: jet
The LARGEST class of lubricants in common use is ANS: Mineral oil
The sealing fluid in lubricating oil centrifuges is ANS: water
In a well - operated lubricating oil and grease storage facility , lubricating oil is NOT normally removed
from large drums by ANS: siphoning out of the top of the drum
storage facility The one of the following that is NOT the identification of a type of gear is a ___ gear ANS:
needle
The one of the following that is NOT an anti - friction bearing is the ___ bearing ANS: helical
There are five belts in the drive of a certain fan unit . One of the belts is very loose . The PROPER action
to take to correct this condition is to ANS: replace all belts with new belts
The one of the following activities that need NOT be performed before starting a forced draft fan unit
that has been shut down for some time is to ANS: open up the suction air valve
The oil at the bearing surface of a steam turbine is USUALLY hotter than the bearing oil discharge
temperature by ____degrees F. ANS: 50 to 80
,General experience indicates that the lubricating oil temperature for the bearings of steam turbines
should NOT be permitted to go above ___ degrees F. bearings ANS: 110 to 120
The FIRST step in determining the reason why the bearings of a ventilating fan are running hot is to ANS:
shut down the unit
AGMA Grade 1 lubricant is MOST NEARLY equivalent to SAE number ANS: 75
The letters AGMA , used when referring to a gear lubricant , are an abbreviation for the ANS: American
Gear Manufacturers Association
When the ignition characteristics of a fuel are represented by a cetane number , the fuel is NORMALLY
used in a ANS: diesel engine
The resistance to flow of a liquid is measured by a ( n ) ANS: viscosimeter
heated - steam reciprocating engine is to The MOST economical and effective method to get lubricating
oil into a horizontal super ANS: atomize the oil into the steam at the steam inlet
The parts of the valve in a poppet valve engine that require lubrication are the ___ guide ANS: cam and
tappet mechanism and the valve steam
The purpose of the seals that close the small openings between shafts in machinery , and the housings
through which they extend , is to ANS: exclude dirt and prevent the escape of lubricant
Lubricants in a diesel engine perform all of the following functions EXCEPT ANS: acting as a vibration
absorber
Lubricants in a diesel engine perform all of the following functions ANS: 1. acting as a cooling agent
, 2. assisting in sealing the piston - cylinder wall clearance
3. cleaning and carry away dirt and other foreign matter from bearings
The one of the following signs that would indicate that the oil supply passage to a hydrau lic lifter on a
diesel engine is plugged up is ANS: noise from the affected valve
A pyrometer on a diesel engine is used for measuring ANS: temperature
Water GENERALLY enters a diesel engine lubricating oil system because of ANS: condensation of
combustion products
Two gears are meshed together and have a gear ratio of to 1. If the small gear rotates 120 revolutions
per minute, the large gear rotates at ___ rpm? ANS: 20
The vacuum side of a compound gage reads 14 inches of vacuum . The barometer read ing is 29.76
inches of mercury . The equivalent absolute pressure of the compound gage reading , in inches of
mercury , is MOST likely ANS: 15.76
The fraction 5/8 , expressed as a decimal , is ANS: 0.625
If 300 feet of a certain size pipe weighs 450 pounds , the number of pounds that 100 feet will weigh is
ANS: 150
As an oiler , you work for a facility that has automobiles that use , on the average , 600 quarts of one
grade of lubricating oil every month . The number of one - gallon cans of the above oil that SHOULD be
ordered each month to meet this requirement is ANS: 150
