a. A positive displacement, rotary vane type compressor is installed in a power plant. The air pressure increase occurs from 100 kPa to 200 kPa while the compressor compresses 4.5 m' of air per minute when operating at 500 r.p.m. You have to find the power required to drive the compressor when: 1. The parts are so placed that there is no internal compression. 2. The parts are so placed that there is 50% increase in pressure due to compression before the backflow occurs. b. Compression of air is performed while using a Roots blower compressor. The pressure of 0.1 m' air increases from 2 bar to 2.5 bar per revolution. Calculate the efficiency for this compressor.

a. A positive displacement, rotary vane type compressor is installed in a power plant. The air pressure increase occurs from 100 kPa to 200 kPa while the compressor compresses 4.5 m' of air per minute when operating at 500 r.p.m. You have to find the power required to drive the compressor when: 1. The parts are so placed that there is no internal compression. 2. The parts are so placed that there is 50% increase in pressure due to compression before the backflow occurs. b. Compression of air is performed while using a Roots blower compressor. The pressure of 0.1 m' air increases from 2 bar to 2.5 bar per revolution. Calculate the efficiency for this compressor.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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