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MSSC Maintenance Awareness Practice Test –
Questions and 100% Correct Answers
2025/2026
A burn or pungent odor of oil indicates - correct answer- excessive
temperature
A Chain should be replaced when its length becomes
longer than the original length. - correct answer- 3
percent
A common sign of a misaligned coupling is .-
correct answer- excessive vibration
A multimeter is a multipurpose devise that can measure -
correct answer- voltage, current, and resistance
A power diagram is used in addition to a ladder diagram to
determine . - correct answer- All of these (How the
input functions on the machine, The sequence of operations, How
the output functions on the machine)
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A power tool has the ground prong broken off of the plug on the
power cord. What should be done? - correct answer- Remove
the power tool from service
A shaft coupling may be out of round if dial indicator shows
. - correct answer- any movement
A sight glass in a reservoir usually indicates the of fluid.
- correct answer- level
A tool should be sharpened - correct answer- 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. - correct answer-
95%-99%
A well designed workstation places tools and equipment where they
can be - correct answer- available with minimum stress
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A workstation should be designed to minimize motions that can
- correct answer- cause repetitive/ stress injuries
All documentation of preventive maintenance should be kept -
correct answer- in a designated, safe and secure location
An electrical diagram that arranges wires of a circuit into order
rows is called a(n) . - correct answer- ladder
diagram
An employee come to work on a rainy day and finds water dripping
on tools in their workstation. What should the employee do first? -
correct answer- report the situation to the supervisor
Because dial indicators are fairly delicate, they should
during adjustment of the motor position. - correct
answer- be removed
Before adjusting motor position during a shaft alignment always
make sure to remove the . - correct answer- dial
indicator
MSSC Maintenance Awareness Practice Test –
Questions and 100% Correct Answers
2025/2026
A burn or pungent odor of oil indicates - correct answer- excessive
temperature
A Chain should be replaced when its length becomes
longer than the original length. - correct answer- 3
percent
A common sign of a misaligned coupling is .-
correct answer- excessive vibration
A multimeter is a multipurpose devise that can measure -
correct answer- voltage, current, and resistance
A power diagram is used in addition to a ladder diagram to
determine . - correct answer- All of these (How the
input functions on the machine, The sequence of operations, How
the output functions on the machine)
,2 | Page
A power tool has the ground prong broken off of the plug on the
power cord. What should be done? - correct answer- Remove
the power tool from service
A shaft coupling may be out of round if dial indicator shows
. - correct answer- any movement
A sight glass in a reservoir usually indicates the of fluid.
- correct answer- level
A tool should be sharpened - correct answer- 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. - correct answer-
95%-99%
A well designed workstation places tools and equipment where they
can be - correct answer- available with minimum stress
, 3 | Page
A workstation should be designed to minimize motions that can
- correct answer- cause repetitive/ stress injuries
All documentation of preventive maintenance should be kept -
correct answer- in a designated, safe and secure location
An electrical diagram that arranges wires of a circuit into order
rows is called a(n) . - correct answer- ladder
diagram
An employee come to work on a rainy day and finds water dripping
on tools in their workstation. What should the employee do first? -
correct answer- report the situation to the supervisor
Because dial indicators are fairly delicate, they should
during adjustment of the motor position. - correct
answer- be removed
Before adjusting motor position during a shaft alignment always
make sure to remove the . - correct answer- dial
indicator
