MSSC MAINTENANCE AWARENESS EXAM AND STUDY GUIDE
150 QUESTIONS AND CORTRECT ANSWERS 2024-2025
LATEST//GRADED A+
When drawing a hydraulic schematic, one rule to remember is to always draw the components
__________. - ANS-in a de-energized state
__________ prevents large particles from damaging the pump and is placed in the reservoir. -
ANSStrainer
Another name for a cylinder would be a(n) __________. - ANS-actuator
Most hydraulic motors are modified designs of __________. - ANS-pumps
__________ are rated by the size of contaminates they remove. - ANS-Hydraulic Filters
A __________ filter is designed to handle the full pressure of the hydraulic system. It uses a replaceable
cartridge and is enclosed in a metal casing called a bowl. - ANS-Pressure Line Filter
The amount of dirt collected by a filter when the pressure reaches a predetermined point is called the
__________. - ANS-dirt holding capacity
A __________ can show when DHC of a filter has been reached. - ANS-bypass indicator
The __________ filter, commonly used on suction or return lines, is similar in appearance to a pressure
line filter but can not withstand the full pressure of the hydraulic system. - ANS-Cartridge type filter
The three qualities used when specifying a grease are: type of soap, hardness, and __________. -
ANSdropping point
, The most often used grease is __________ because it provides excellant lubrication under moderate
loads and also at high temperatures and speeds. - ANS-lithium
Grease is made by adding a thickener such as __________ to a liquid lubricant. - ANS-metallic soap
There are seven (7) basic types of oils in use today. One of these is refrigeration oils which has a function
to__________. - ANS-to operate in both high and low temperatures
Lubrication and other __________ maintenance activities should be checked daily to ensure they are
being performed. - ANS-preventive
Lubrication points should always be __________ before adding oil to a system - ANS-cleaned off
The best data collection procedure to use for an oil analysis is to __________. - ANS-collect random
samples and immediately send them out for analysis
Loss of lubrication __________. - ANS-is not a major cause of seal damage
Fluid samples are normally taken from the middle of the reservoir while the machine is still in operation
when analyzing a __________. - ANS-gearbox
White grease, or FGL-1, is used for what application? - ANS-food processing
While troubleshooting a hydraulic system, the technician finds that the oil in the reservoir has a milky
color. What does this tell the technician? - ANS-the oil has water in it
150 QUESTIONS AND CORTRECT ANSWERS 2024-2025
LATEST//GRADED A+
When drawing a hydraulic schematic, one rule to remember is to always draw the components
__________. - ANS-in a de-energized state
__________ prevents large particles from damaging the pump and is placed in the reservoir. -
ANSStrainer
Another name for a cylinder would be a(n) __________. - ANS-actuator
Most hydraulic motors are modified designs of __________. - ANS-pumps
__________ are rated by the size of contaminates they remove. - ANS-Hydraulic Filters
A __________ filter is designed to handle the full pressure of the hydraulic system. It uses a replaceable
cartridge and is enclosed in a metal casing called a bowl. - ANS-Pressure Line Filter
The amount of dirt collected by a filter when the pressure reaches a predetermined point is called the
__________. - ANS-dirt holding capacity
A __________ can show when DHC of a filter has been reached. - ANS-bypass indicator
The __________ filter, commonly used on suction or return lines, is similar in appearance to a pressure
line filter but can not withstand the full pressure of the hydraulic system. - ANS-Cartridge type filter
The three qualities used when specifying a grease are: type of soap, hardness, and __________. -
ANSdropping point
, The most often used grease is __________ because it provides excellant lubrication under moderate
loads and also at high temperatures and speeds. - ANS-lithium
Grease is made by adding a thickener such as __________ to a liquid lubricant. - ANS-metallic soap
There are seven (7) basic types of oils in use today. One of these is refrigeration oils which has a function
to__________. - ANS-to operate in both high and low temperatures
Lubrication and other __________ maintenance activities should be checked daily to ensure they are
being performed. - ANS-preventive
Lubrication points should always be __________ before adding oil to a system - ANS-cleaned off
The best data collection procedure to use for an oil analysis is to __________. - ANS-collect random
samples and immediately send them out for analysis
Loss of lubrication __________. - ANS-is not a major cause of seal damage
Fluid samples are normally taken from the middle of the reservoir while the machine is still in operation
when analyzing a __________. - ANS-gearbox
White grease, or FGL-1, is used for what application? - ANS-food processing
While troubleshooting a hydraulic system, the technician finds that the oil in the reservoir has a milky
color. What does this tell the technician? - ANS-the oil has water in it
