MSSC Power
Efficiency exam
questions and
answers 2025
What is the resistance between surfaces contacting each other?
Friction
Rolling resistance does not have _______________
Static and Kinetic Friction
The ratio of a machine's power output to power input is the machine's
______________
Efficiency
Engineers and technicians strive for 100% efficiency to use less
________________ and generate less heat
Energy
The operating temperature range of a gearbox should be considered when
selecting ____________.
Proper Viscosity or Oil
Liquid lubricants like oil are the ______________ and best-known types of
lubricant.
Most Versatile
Static friction works against the moving object, kinetic friction works
_____________.
With less force than static friction
Efficiency exam
questions and
answers 2025
What is the resistance between surfaces contacting each other?
Friction
Rolling resistance does not have _______________
Static and Kinetic Friction
The ratio of a machine's power output to power input is the machine's
______________
Efficiency
Engineers and technicians strive for 100% efficiency to use less
________________ and generate less heat
Energy
The operating temperature range of a gearbox should be considered when
selecting ____________.
Proper Viscosity or Oil
Liquid lubricants like oil are the ______________ and best-known types of
lubricant.
Most Versatile
Static friction works against the moving object, kinetic friction works
_____________.
With less force than static friction
