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Engineering
Mechanical
ME Set-1
Thermodynamics
152

Thermodynamics MCQ with Answers

152) By decreasing the highest temperature in the Carnot cycle, its efficiency is increased.

Right

Wrong

Answer is:

Wrong

Thermodynamics MCQ with Answers

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Related Thermodynamics MCQ with Answers

153) The lower calorific value of fuel may be obtained by adding the heat of steam formed during combustion to the higher calorific value.

Yes

No

Unknown

None

Answer is:

No

154) One kg of carbon monoxide requires 4/7 kg of oxygen and produces

11/3 kg of carbon dioxide gas

7/3 kg of carbon monoxide gas

11/7 kg of carbon dioxide gas

8/3 kg of carbon monoxide gas

Answer is:

11/7 kg of carbon dioxide gas

155) The molecular mass expresssed in gram (i.e. 1 g - mole) of all gases, at N. T. P., occupies a volume of

0.224 litres

2.24 litres

22.4 litres

224 litres

Answer is:

22.4 litres

156) The absolute zero pressure will be

when molecular momentum of the system becomes zero

at sea level

at the temperature of (-273 K)

at the centre of the earth

Answer is:

when molecular momentum of the system becomes zero

Thermodynamics MCQ with Answers

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