MSSC MAINTENANCE AWARENESS EXAMS GUIDE
QUESTIONS AND ANSWERS SURE A+
✔✔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
✔✔If a machine is expected to have downtime for several shifts, the appropriate
communication between shifts for Lockout/Tagout procedures is - ✔✔verify energy state
on machine, then change locks
✔✔If a motor starts blowing fuses or tripping thermals, the most likely cause is - ✔✔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. - ✔✔replace
the circuit breaker
✔✔If suspended metal products were found in oil analysis, it would indicate -
✔✔Bearing problems
, ✔✔In a PM audit, the _____ would likely be negatively impacted if there were a large
number of uncompleted PM work orders. - ✔✔critical path
✔✔It is important to have a/an ____________ to complete the PM work on a machine -
✔✔completion date
✔✔Leveling all machine components prior to coupling them _____________. -
✔✔reduces the number of needed shims
✔✔Low pressure in a hydraulic pump's suction line causes what malfunction? -
✔✔cavitation
✔✔Lubrication and other _____________ maintenance activities should be checked
daily to ensure they are performed. - ✔✔preventive
✔✔Machine closures usually have _______ to prevent entry during machine operation.
- ✔✔limit switch - interlocks and photocells
✔✔Making sure that a motor shaft is level - ✔✔increases stress on the motor
✔✔Misaligned coupling can cause _________ in machinery. - ✔✔vibration
✔✔Motor shaft runout is checked to make sure of proper _____________. -
✔✔alignment of mating components
✔✔NOT logic is formed by _____________. - ✔✔one normally closed switch
✔✔Oxygen cylinders must be kept ______ away from combustion points. - ✔✔25 ft.
✔✔Predictive maintenance is a type of maintenance program that does what function? -
✔✔identifies machine parts or components failures before a major breakdown
✔✔Preventive maintenance schedule would commonly include - ✔✔frequency
✔✔Prior to shutting down a machine for preventive maintenance, the operator must -
✔✔remove all the debris and any residue from the machine
✔✔Proper storage of tools helps keep them - ✔✔in good working order
✔✔Reactive Maintenance is considered a(n) _____________ activity. - ✔✔unplanned
maintenance
QUESTIONS AND ANSWERS SURE A+
✔✔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
✔✔If a machine is expected to have downtime for several shifts, the appropriate
communication between shifts for Lockout/Tagout procedures is - ✔✔verify energy state
on machine, then change locks
✔✔If a motor starts blowing fuses or tripping thermals, the most likely cause is - ✔✔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. - ✔✔replace
the circuit breaker
✔✔If suspended metal products were found in oil analysis, it would indicate -
✔✔Bearing problems
, ✔✔In a PM audit, the _____ would likely be negatively impacted if there were a large
number of uncompleted PM work orders. - ✔✔critical path
✔✔It is important to have a/an ____________ to complete the PM work on a machine -
✔✔completion date
✔✔Leveling all machine components prior to coupling them _____________. -
✔✔reduces the number of needed shims
✔✔Low pressure in a hydraulic pump's suction line causes what malfunction? -
✔✔cavitation
✔✔Lubrication and other _____________ maintenance activities should be checked
daily to ensure they are performed. - ✔✔preventive
✔✔Machine closures usually have _______ to prevent entry during machine operation.
- ✔✔limit switch - interlocks and photocells
✔✔Making sure that a motor shaft is level - ✔✔increases stress on the motor
✔✔Misaligned coupling can cause _________ in machinery. - ✔✔vibration
✔✔Motor shaft runout is checked to make sure of proper _____________. -
✔✔alignment of mating components
✔✔NOT logic is formed by _____________. - ✔✔one normally closed switch
✔✔Oxygen cylinders must be kept ______ away from combustion points. - ✔✔25 ft.
✔✔Predictive maintenance is a type of maintenance program that does what function? -
✔✔identifies machine parts or components failures before a major breakdown
✔✔Preventive maintenance schedule would commonly include - ✔✔frequency
✔✔Prior to shutting down a machine for preventive maintenance, the operator must -
✔✔remove all the debris and any residue from the machine
✔✔Proper storage of tools helps keep them - ✔✔in good working order
✔✔Reactive Maintenance is considered a(n) _____________ activity. - ✔✔unplanned
maintenance
