MSSC MAINTENANCE TEST 1 EXAM LATEST
UPDATE 2025-2026 WITH 130+ QUESTIONS AND
ACCURATE VERIFIED ANSWERS ALREADY
GRADED A+
What is an accelerometer used for?
- Temperature measurement
- Acoustic monitoring
- Vibration measurement
- Oil analysis
-Correct Answer-Vibration measurement
What type of bearing should not be lubricated?
- Ball bearing
- Block bearing
- Unsealed bearing
- Sealed bearing
-Correct Answer-Sealed bearing
Grease is classified as what kind of lubricant?
- Solid
- Semisolid
- Liquid
- Gas
-Correct Answer-Semisolid
Too little lubrication of what component can cause seizing in a
machine?
- Belts
- Sprockets
,- Sheaves
- Bearings
-Correct Answer-Bearings
When should you stop pumping grease into a pillow block
bearing?
- When new grease begins to flow out of the bearing
- When old grease begins to flow out of the bearing
- When the grease gun handle becomes difficult to move
- When grease comes out of the connection between the coupler
and the grease fitting
-Correct Answer-When old grease begins to flow out of the
bearing
Which qualitative description corresponds with an NLGI
number of 2?
- Hard, like the lead of a pencil
- Medium, like jelly
- Soft, similar to hair gel
- Partly fluid, similar to honey
-Correct Answer-Soft, similar to hair gel
The most harmful act a maintenance person can do to this
component is to get dirt in it.
- Coupling
- Gear
- Bearing
- Belt
-Correct Answer-Bearing
Zerk fittings are used to lubricate __________.
,- Single bearings
- Motor shafts
- Automatic systems
- Oil spray systems
-Correct Answer-Single bearings
Three qualities used when specifying grease are: water
resistance, hardness, and __________.
- Viscosity
- Dropping point
- Freezing point
- Boiling point
-Correct Answer-Dropping point
Why should grease guns be filled with a grease cartridge?
- Grease cartridges are better for the environment.
- Grease cartridges are easy to load in a grease gun.
- Grease cartridges do not contain dirt contaminants.
- Grease cartridges do not require special disposal.
-Correct Answer-Grease cartridges do not contain dirt
contaminants.
Corrective work is performed following preventive maintenance
when __________.
- The schedule calls for it
- The supervisor requests it
- The PM work was performed incorrectly
- Problems are discovered
-Correct Answer-Problems are discovered
Slips and falls are the worst safety hazards when __________.
, - Cleaning fans
- Mopping floors
- Lifting heavy objects
- Driving a tug -Correct Answer-Mopping floors
Supply errors can be caused by relying on __________ without
monitoring their performance.
- Customers
- Employees
- Suppliers
- Inspectors -Correct Answer-Suppliers
Preventive maintenance is best described as what?
- Periodic in nature
- Exhausting
- Breakdown repair
- Flexible -Correct Answer-Periodic in nature
A board with tool outlines for placement is called a __________
and is a good way to make sure tools are returned to their proper
storage space between uses.
- Storyboard
- Shadow board
- Board of tools
- Storage bin -Correct Answer-Shadow board
The frequency of maintenance is usually an item found on the
__________.
- Preventive maintenance schedule
- Work order
- Warranty card
UPDATE 2025-2026 WITH 130+ QUESTIONS AND
ACCURATE VERIFIED ANSWERS ALREADY
GRADED A+
What is an accelerometer used for?
- Temperature measurement
- Acoustic monitoring
- Vibration measurement
- Oil analysis
-Correct Answer-Vibration measurement
What type of bearing should not be lubricated?
- Ball bearing
- Block bearing
- Unsealed bearing
- Sealed bearing
-Correct Answer-Sealed bearing
Grease is classified as what kind of lubricant?
- Solid
- Semisolid
- Liquid
- Gas
-Correct Answer-Semisolid
Too little lubrication of what component can cause seizing in a
machine?
- Belts
- Sprockets
,- Sheaves
- Bearings
-Correct Answer-Bearings
When should you stop pumping grease into a pillow block
bearing?
- When new grease begins to flow out of the bearing
- When old grease begins to flow out of the bearing
- When the grease gun handle becomes difficult to move
- When grease comes out of the connection between the coupler
and the grease fitting
-Correct Answer-When old grease begins to flow out of the
bearing
Which qualitative description corresponds with an NLGI
number of 2?
- Hard, like the lead of a pencil
- Medium, like jelly
- Soft, similar to hair gel
- Partly fluid, similar to honey
-Correct Answer-Soft, similar to hair gel
The most harmful act a maintenance person can do to this
component is to get dirt in it.
- Coupling
- Gear
- Bearing
- Belt
-Correct Answer-Bearing
Zerk fittings are used to lubricate __________.
,- Single bearings
- Motor shafts
- Automatic systems
- Oil spray systems
-Correct Answer-Single bearings
Three qualities used when specifying grease are: water
resistance, hardness, and __________.
- Viscosity
- Dropping point
- Freezing point
- Boiling point
-Correct Answer-Dropping point
Why should grease guns be filled with a grease cartridge?
- Grease cartridges are better for the environment.
- Grease cartridges are easy to load in a grease gun.
- Grease cartridges do not contain dirt contaminants.
- Grease cartridges do not require special disposal.
-Correct Answer-Grease cartridges do not contain dirt
contaminants.
Corrective work is performed following preventive maintenance
when __________.
- The schedule calls for it
- The supervisor requests it
- The PM work was performed incorrectly
- Problems are discovered
-Correct Answer-Problems are discovered
Slips and falls are the worst safety hazards when __________.
, - Cleaning fans
- Mopping floors
- Lifting heavy objects
- Driving a tug -Correct Answer-Mopping floors
Supply errors can be caused by relying on __________ without
monitoring their performance.
- Customers
- Employees
- Suppliers
- Inspectors -Correct Answer-Suppliers
Preventive maintenance is best described as what?
- Periodic in nature
- Exhausting
- Breakdown repair
- Flexible -Correct Answer-Periodic in nature
A board with tool outlines for placement is called a __________
and is a good way to make sure tools are returned to their proper
storage space between uses.
- Storyboard
- Shadow board
- Board of tools
- Storage bin -Correct Answer-Shadow board
The frequency of maintenance is usually an item found on the
__________.
- Preventive maintenance schedule
- Work order
- Warranty card
