Over View Flashcards
Which type of dryer is the most efficient?
Refrigerant
If you are required to put a bearing on a tapered sleeve what do you require?
Taper sleeve adapter
What orientation should piston rings be installed?
With the dots facing up
What is the typical lube system on a large size diesel engine?
Forced lubrication
Where is the oil release valve located on an impeller housing?
At the bottom
What is considered a vaccum?
Any pressure under atmosphere (14.7)
Where is a oil relief valve located on an impeller
At the top
Absoulte +/- temperature given = _______________
Temperature
What is the slope for pneumatic airline over 10’
1” for every 10’
What is relative humidity
Amount of moisture in air at a given temperature
What is used in hydraulic reservoir to aid fluid cooling?
Baffle
What are two major classifications of dynamic compressors
Axial and radial flow
What are the rotating blades in an axial flow compressor attached to?
Rotor
- When a compressor is relieved of all internal pressure it is said to be:
Unloaded
- Which valve prevents oil from being forced out the inlet when the compressor is shutdown?
Inlet check valve
- How many cubic feet of air per minute does one horsepower generate?
3.74 CFM
- What styles of pump has suction opening larger than the discharge opening?
Centrifugal
Demulsibility is the ability of a fluid to
Separate out water
What does it mean for a compressor to have a built in pressure ratio?
The pressure ratio is NOT adjustable
The purpose of a volute in a pump
Increase velocity
What will a plugged or blocked inlet line create?
Cavitation
What is kelvin equal to
-273.15
What valve prevents oil from being forced out the inlet when the compressor is shutdown
Inlet check valve
What does rankin equal?
-459.73
