MSSC Maintenance Awareness
Practice Test-Graded A
A burn or pungent odor of oil indicates - ANS-excessive temperature
A Chain should be replaced when its length becomes ______longer than the original
length. - ANS-3 percent
A common sign of a misaligned coupling is _____________. - ANS-excessive vibration
A multimeter is a multipurpose devise that can measure - ANS-voltage, current, and
resistance
A power diagram is used in addition to a ladder diagram to determine_________. -
ANS-All of these (How the input functions on the machine, The sequence of operations,
How the output functions on the machine)
A power tool has the ground prong broken off of the plug on the power cord. What
should be done? - ANS-Remove the power tool from service
A shaft coupling may be out of round if dial indicator shows _____________. - ANS-any
movement
A sight glass in a reservoir usually indicates the ______ of fluid. - ANS-level
A tool should be sharpened - ANS-When an unacceptable surface finish is present
A viscos meter is a device used for measuring the viscosity of an oil and is generally
_______ accurate. - ANS-95%-99%
A well designed workstation places tools and equipment where they can be - ANS-
available with minimum stress
A workstation should be designed to minimize motions that can - ANS-cause repetitive/
stress injuries
All documentation of preventive maintenance should be kept - ANS-in a designated,
safe and secure location
An electrical diagram that arranges wires of a circuit into order rows is called a(n)
_____________. - ANS-ladder diagram
, If a machine is expected to have downtime for several shifts, the appropriate
communication between shifts for Lockout/Tagout procedures is - ANS-verify energy
state on machine, then change locks
If a motor starts blowing fuses or tripping thermals, the most likely cause is - ANS-An
overload motor
If a technician has unwired a motor from a disconnect and the circuit breaker still trips,
the next logical step is to ______ and see if the breaker trips again. - ANS-replace the
circuit breaker
If suspended metal products were found in oil analysis, it would indicate - ANS-Bearing
problems
In a PM audit, the _____ would likely be negatively impacted if there were a large
number of uncompleted PM work orders. - ANS-critical path
Scheduled housekeeping inspections would ordinarily include - ANS-verification that the
floor is clean and free of debris
Scheduled replacement of minor parts that tend to wear out quickly is an important parts
of _______maintenance - ANS-preventive
Seizing, in reference to bearings and shafts, is a condition resulting from - ANS-lack of
lubrication
Shaft coupling are critical parts of any transmission system. Which one of these can
cause a coupling to fail? - ANS-all of the above (Shaft failure
b. wear
c. All of these
d. corrosion)
Smaller dirt particles are removed from the air by the filter's - ANS-element
The best place for an operator to find information regarding the handling of all lubricants
and safety precaution is in - ANS-SDS
The drive motor and equipment are protected by overload clutches when - ANS-
something jams or binds in the machinery
The flexible or rigid protection for electrical wiring to motors is provided mainly for the
prevention of - ANS-damage
The following is an important key planned maintenance activity - ANS-Lubrication of
equipment
Practice Test-Graded A
A burn or pungent odor of oil indicates - ANS-excessive temperature
A Chain should be replaced when its length becomes ______longer than the original
length. - ANS-3 percent
A common sign of a misaligned coupling is _____________. - ANS-excessive vibration
A multimeter is a multipurpose devise that can measure - ANS-voltage, current, and
resistance
A power diagram is used in addition to a ladder diagram to determine_________. -
ANS-All of these (How the input functions on the machine, The sequence of operations,
How the output functions on the machine)
A power tool has the ground prong broken off of the plug on the power cord. What
should be done? - ANS-Remove the power tool from service
A shaft coupling may be out of round if dial indicator shows _____________. - ANS-any
movement
A sight glass in a reservoir usually indicates the ______ of fluid. - ANS-level
A tool should be sharpened - ANS-When an unacceptable surface finish is present
A viscos meter is a device used for measuring the viscosity of an oil and is generally
_______ accurate. - ANS-95%-99%
A well designed workstation places tools and equipment where they can be - ANS-
available with minimum stress
A workstation should be designed to minimize motions that can - ANS-cause repetitive/
stress injuries
All documentation of preventive maintenance should be kept - ANS-in a designated,
safe and secure location
An electrical diagram that arranges wires of a circuit into order rows is called a(n)
_____________. - ANS-ladder diagram
, If a machine is expected to have downtime for several shifts, the appropriate
communication between shifts for Lockout/Tagout procedures is - ANS-verify energy
state on machine, then change locks
If a motor starts blowing fuses or tripping thermals, the most likely cause is - ANS-An
overload motor
If a technician has unwired a motor from a disconnect and the circuit breaker still trips,
the next logical step is to ______ and see if the breaker trips again. - ANS-replace the
circuit breaker
If suspended metal products were found in oil analysis, it would indicate - ANS-Bearing
problems
In a PM audit, the _____ would likely be negatively impacted if there were a large
number of uncompleted PM work orders. - ANS-critical path
Scheduled housekeeping inspections would ordinarily include - ANS-verification that the
floor is clean and free of debris
Scheduled replacement of minor parts that tend to wear out quickly is an important parts
of _______maintenance - ANS-preventive
Seizing, in reference to bearings and shafts, is a condition resulting from - ANS-lack of
lubrication
Shaft coupling are critical parts of any transmission system. Which one of these can
cause a coupling to fail? - ANS-all of the above (Shaft failure
b. wear
c. All of these
d. corrosion)
Smaller dirt particles are removed from the air by the filter's - ANS-element
The best place for an operator to find information regarding the handling of all lubricants
and safety precaution is in - ANS-SDS
The drive motor and equipment are protected by overload clutches when - ANS-
something jams or binds in the machinery
The flexible or rigid protection for electrical wiring to motors is provided mainly for the
prevention of - ANS-damage
The following is an important key planned maintenance activity - ANS-Lubrication of
equipment
