MSSC Maintenance awareness practice test (2024/2025). | Exam Revision
Questions And Correct Answers | Graded A+ | 2025 Update |
A burn or pungent odor of oil indicates -✔✔excessive temperature
A Chain should be replaced when its length becomes ______longer than the original length. -
✔✔3 percent
A common sign of a misaligned coupling is _____________. -✔✔excessive vibration
A multimeter is a multipurpose devise that can measure -✔✔voltage, current, and resistance
A power diagram is used in addition to a ladder diagram to determine_________. - ✔✔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?
-✔✔Remove the power tool from service
A shaft coupling may be out of round if dial indicator shows _____________. -✔✔any movement
A sight glass in a reservoir usually indicates the ______ of fluid. -✔✔level
A tool should be sharpened -✔✔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. -✔✔95%-99%
A well designed workstation places tools and equipment where they can be -✔✔available with
minimum stress
A workstation should be designed to minimize motions that can -✔✔cause repetitive/ stress
injuries
All documentation of preventive maintenance should be kept -✔✔in a designated, safe and
secure location
An electrical diagram that arranges wires of a circuit into order rows is called a(n) _____________.
-
, ✔✔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? -✔✔report the situation to the supervisor
Because dial indicators are fairly delicate, they should _________ during adjustment of the motor
position. -✔✔be removed
Before adjusting motor position during a shaft alignment always make sure to remove the
_____________. -✔✔dial indicator
Both analog and digital voltmeters measure -✔✔Potential difference
Circuit testers determine if ______ electricity is present. -✔✔AC
Daily maintenance involves daily records because -✔✔Recurring events can be analyzed to
troubleshoot problems Records indicate how long a machine will run without lubrication
Devises called ____________ often serve as the brains of the automated machine. -✔✔relays
Documentation that should be kept regarding a specific piece of equipment includes -
✔✔maintenance log
Feeler gauge, rulers, height gauges and dial indicators are commonly used for which task? -
✔✔alignment of industrial machines
For purposes of an oil analysis, one important category of information will be the - ✔✔Oil
viscosity
Gas cylinders need to be chained securely to keep them -✔✔from falling or tipping over
Heavy axial loads are better handled by ________? -✔✔angular contact bearings
High temperature can _____________ of a bearing. -✔✔limit life
Housekeeping inspections and audits should include -✔✔Unbiased auditors or inspectors
How is a cam likely to be mounted on a shaft? -✔✔welded
How many extension cords are permitted to run across the floor of a workstation? -✔✔0
If a company does follow-up work after a PM that is considered ________maintenance. -
✔✔reactive
Questions And Correct Answers | Graded A+ | 2025 Update |
A burn or pungent odor of oil indicates -✔✔excessive temperature
A Chain should be replaced when its length becomes ______longer than the original length. -
✔✔3 percent
A common sign of a misaligned coupling is _____________. -✔✔excessive vibration
A multimeter is a multipurpose devise that can measure -✔✔voltage, current, and resistance
A power diagram is used in addition to a ladder diagram to determine_________. - ✔✔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?
-✔✔Remove the power tool from service
A shaft coupling may be out of round if dial indicator shows _____________. -✔✔any movement
A sight glass in a reservoir usually indicates the ______ of fluid. -✔✔level
A tool should be sharpened -✔✔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. -✔✔95%-99%
A well designed workstation places tools and equipment where they can be -✔✔available with
minimum stress
A workstation should be designed to minimize motions that can -✔✔cause repetitive/ stress
injuries
All documentation of preventive maintenance should be kept -✔✔in a designated, safe and
secure location
An electrical diagram that arranges wires of a circuit into order rows is called a(n) _____________.
-
, ✔✔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? -✔✔report the situation to the supervisor
Because dial indicators are fairly delicate, they should _________ during adjustment of the motor
position. -✔✔be removed
Before adjusting motor position during a shaft alignment always make sure to remove the
_____________. -✔✔dial indicator
Both analog and digital voltmeters measure -✔✔Potential difference
Circuit testers determine if ______ electricity is present. -✔✔AC
Daily maintenance involves daily records because -✔✔Recurring events can be analyzed to
troubleshoot problems Records indicate how long a machine will run without lubrication
Devises called ____________ often serve as the brains of the automated machine. -✔✔relays
Documentation that should be kept regarding a specific piece of equipment includes -
✔✔maintenance log
Feeler gauge, rulers, height gauges and dial indicators are commonly used for which task? -
✔✔alignment of industrial machines
For purposes of an oil analysis, one important category of information will be the - ✔✔Oil
viscosity
Gas cylinders need to be chained securely to keep them -✔✔from falling or tipping over
Heavy axial loads are better handled by ________? -✔✔angular contact bearings
High temperature can _____________ of a bearing. -✔✔limit life
Housekeeping inspections and audits should include -✔✔Unbiased auditors or inspectors
How is a cam likely to be mounted on a shaft? -✔✔welded
How many extension cords are permitted to run across the floor of a workstation? -✔✔0
If a company does follow-up work after a PM that is considered ________maintenance. -
✔✔reactive