Basic Mechanical Engineering (3110006) MCQs

MCQs of Properties of Steam

Showing 1 to 10 out of 20 Questions
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1.
The behaviour of vapour can be determined by
(a) Boyle's law
(b) Charle's law
(c) combined law
(d) none of these
Answer:

Option (d)

2.
Water at atmospheric pressure is a
(a) ideal gas
(b) far below the critical temperature
(c) far above the critical temperature
(d) none of these
Answer:

Option (b)

3.
When water is heated with the rise of temperature, it consumes
(a) latent heat
(b) enthalpy
(c) sensible heat
(d) none of the these
Answer:

Option (c)

4.
When water is heated without rise of temperature, it consumes
(a) latent heat
(b) enthalpy
(c) sensible heat
(d) none of the these
Answer:

Option (a)

5.
The sensible heat of water is
(a) greater than the latent heat of steam
(b) less than the latent heat of steam
(c) equal to the latent heat of steam
(d) none of the these
Answer:

Option (b)

6.
With the increase of pressure, the boiling point of water
(a) increases
(b) decreases
(c) no change
(d) none of the these
Answer:

Option (a)

7.
Superheating of steam is done at constant
(a) pressure
(b) volume
(c) temperature
(d) enthalpy
Answer:

Option (c)

8.
During super-heating of steam, the heat supplied is
(a) latent heat
(b) sensible heat
(c) both sensible and latent heat
(d) none of the these
Answer:

Option (b)

9.
Superheated vapour behaves
(a) exactly as gas
(b) as steam
(c) as ordinary vapour
(d) approximately as a gas
Answer:

Option (d)

10.
The latent heat of steam at the atmospheric pressure is
(a) 2157 kJ/kg
(b) 2257 kJ/kg
(c) 2457 kJ/kg
(d) none of the these
Answer:

Option (b)

Showing 1 to 10 out of 20 Questions
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