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1) Deduce the expression for the work done by single stage single acting reciprocating air compressor.

2) Deduce the expression for volumetric efficiency of reciprocating air compressors

3) Describe the construction and working of the root blower.

4) Describe the construction and working of the centrifugal compressor.

5) Describe the construction and working of the sliding vane compressor and axial flow compressor.

6) Single stage single acting air compressor is used to compress air from 1 bar and 22°C to 6 bar according to law PV1.25 = C. Compressor runs at 125 rpm and ratio of stroke length to bore of the cylinder is 1.5. If power required by compressor is 20 kW, find out the size of a cylinder

7) describe why throttle valve is used in place of expansion cylinder for vapour compression refrigerant machine.

Mechanical Engineering, Engineering

  • Category:- Mechanical Engineering
  • Reference No.:- M911850

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