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ME Set-1
Thermodynamics
172

Thermodynamics MCQ with Answers

172) The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s². The absolute pressure in the vessel is

23.97 bar

25 bar

26.03 bar

34.81 bar

Answer is:

26.03 bar

Thermodynamics MCQ with Answers

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173) The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = mRT

pv = RT^m

pv^m = C

pv = (RT)^m

Answer is:

pv = mRT

174) The work ratio of simple gas turbine cycle depends upon

maximum cycle temperature

minimum cycle temperature

pressure ratio

all of these

Answer is:

all of these

Explanation:

The work ratio of simple gas turbine cycle depends upon
* maximum cycle temperature
* minimum cycle temperature
* pressure ratio

175) The gas constant (R) is equal to the

sum of two specific heats

difference of two specific heats

product of two specific heats

ratio of two specific heats

Answer is:

difference of two specific heats

176) Select the wrong statement

A Joule cycle consists of two constant volume and two isentropic processes.

An Otto cycle consists of two constant volume and two isentropic processes.

An Ericsson cycle consists of two constant pressure and two isothermal processes.

all of the above

Answer is:

A Joule cycle consists of two constant volume and two isentropic processes.

Thermodynamics MCQ with Answers

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172) The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

26.03 bar

Thermodynamics MCQ with Answers

Related Thermodynamics MCQ with Answers

173) The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = mRT

174) The work ratio of simple gas turbine cycle depends upon

all of these

175) The gas constant (R) is equal to the

difference of two specific heats

176) Select the wrong statement

A Joule cycle consists of two constant volume and two isentropic processes.

Thermodynamics MCQ with Answers

172) The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s². The absolute pressure in the vessel is