What is the lowest cooling tower water temperature attainable in an induced draft Cooling Tower.
Higher than Wet Bulb temperature.
At what degree is a fusible plug set at ?
280 degrees.
What is the flashpoint of the compressor lubricating oil.
Higher that the compressor temperature.
What type of heat is removed from the refrigerant at the condenser ?
Sensible and Latent Heat .
What is another way to define Superheated vapor ?
Dry Vapor above its saturation temperature.
What is a compressor safety head ?
A valve plate held down by a heavy spring.
A Centrifugal compressor is characterized as a:
A High Volume and Low Pressure Machine.
If The Condenser Pressure is high and another pump needs to be turned what steps would you take ?
Turn the suction valve completely opened and the discharge valve opened to a throttling position.
What could happen if you disconnect the External Equalizer on a TEV ?
You will Starve the evaporator.
How can you achieve capacity control on a Reciprocating compressor using Cylinder un-loaders.
By keeping the suction valves opened.
How is relative humidity measured?
With a Sling Psychrometer.
What is the Ratio of actual water vapor in the atmosphere to the saturation pressure called ?
Relative Humidity.
The most accurate statement regarding Hermetic compressors and motor is:
It is in a gas tight housing.
As an RMO are you allowed to vent a manifold or purge line containing CFC or HCFC refrigerants ?
NO. it is Prohibited.
Is a solenoid valve used to vary the flow of refrigerant from the high side to the low side ?
NO. Never. it is the TEV or TXV.