Screw Compressors & Lobe Blowers - 160302a Questions with Answers
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Module
Screw Compressors & Lobe Blowers - 160302a
Institution
Screw Compressors & Lobe Blowers - 160302a
Screw Compressors & Lobe Blowers - 160302a Questions with Answers
Which male to female rotor combination is used for high volume, low pressure? (PG. 10) - Answer-3 + 4
Which male to female rotor combination is used for low volume, high pressure? (PG. 10) - Answer-6 + 8
Where are the thrust ...
Screw Compressors & Lobe Blowers
- 160302a Questions with Answers
Which male to female rotor combination is used for high volume, low pressure? (PG.
10) - Answer-3 + 4
Which male to female rotor combination is used for low volume, high pressure? (PG.
10) - Answer-6 + 8
Where are the thrust bearings located on a screw compressor? (PG. 11) - Answer-
Discharge End
In which direction is thermal growth in a screw compressor? (PG. 11) - Answer-Towards
Inlet
Which Screw Compressor system has compression happening on both sides
simultaneously? (PG. 12) - Answer-Single Rotor Screw (Mono Screw)
What function does the oil in an oil-flooded screw compressor serve? (PG. 13) -
Answer-Absorb Heat of Compression, Seal the gaps between Rotors, Lubricate
Bearings and Gears, Prevent metal-to-metal contact of the rotors, reduce noise level
Air filters should be able to remove particles down to what size before the air enters the
compressor? (PG. 15) - Answer-5 microns
What distance is the scavenger line set off the bottom in a screw compressor? (PG. 16)
- Answer-1/8"
What function do oil separators preform? (PG. 16) - Answer-Separates Oil from the Air
What functions does the Minimum Pressure Valve preform? (PG. 17) - Answer-Build a
minimum pressure inside the separator to get the oil flowing on start-up
What valve acts to prevent discharge air from the system rushing back into separator
and prevents reverse rotation of the compressor rotors? (PG. 17) - Answer-Minimum
Pressure Valve
What is the function of the thermal mixing valve? (PG. 18) - Answer-Maintain a
minimum oil injection temperature
What type of pressure delivery are Screw Compressors used for? (PG. 2) - Answer-Low
Pressure
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