Gas Compressors

This is an MCQ-based quiz on the topic of Gas Compressors

This includes the following:-

Work of Compression
Volumetric Efficiency
Multi-Stage Compressions
Rotary Compressor

Start Quiz

The isothermal efficiency is given by

Ws/Wc Ws/Wt Wt/Wc Wt/Ws

Argon is kept in a 5 m3 tank at −30°C and 3 MPa. Determine the mass using compressibility factor.

208.75 kg 308.75 kg 303.75 kg 203.75 kg

Find the error in specific volume if ideal gas model is used to represent the behaviour of superheated ammonia at 40°C and 500 kPa?

1.5% 3.5% 4.5% 2.5%

Find the volume of ethylene having mass of 125 kg at 7.5 MPa and 296.5 K.

0.369 m3 0.669 m3 0.569 m3 0.469 m3

The work of compression is ____ the shaft work.

Positive of

Negative of

Equal to

Less than

We use after-coolers to cool the gas which leaves the compressor.

True

False

Which of the following is an advantage of cooling?

Less pipe friction losses

Reduction in volume of gas

Both of the mentioned

None of the mentioned

Which of the following is an advantage of cooling?

Less pipe friction losses

Reduction in volume of gas

Both of the mentioned

None of the mentioned

If the gas is cooled during compression, work required will be ____ the adiabatic compression work.

More than

Less than

Equal to

None of the mentioned

A gas compression process is

Adiabatic

Involves heat transfer

Both of the mentioned

None of the mentioned

Quiz/Test Summary

Title: Gas Compressors

Questions: 10

Contributed by:

NEO Tue, Apr 19, 2022 07:25 AM UTC

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