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Screw Compressors & Lobe Blowers - 160302a Questions with Answers

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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 ...

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  • September 12, 2024
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  • Screw Compressors & Lobe Blowers - 160302a
  • Screw Compressors & Lobe Blowers - 160302a
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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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