MCQOPTIONS

Explore topic-wise MCQs in Thermodynamics.

This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Thermodynamics knowledge and support exam preparation. Choose a topic below to get started.

1.	The properties of liquid _____ with pressure.
A.	do not vary
B.	vary largely
C.	vary little
D.	none of the mentioned
Answer» D. none of the mentioned

2.	When the temperature of a liquid is less than the saturation temperature at the given pressure, the liquid is called compressed liquid.
A.	true
B.	false
Answer» B. false

3.	The superheat or degree of superheat is given by
A.	difference between the temperature of saturated liquid and saturation temperature
B.	difference between the temperature of superheated vapour and saturation temperature
C.	sum of the temperature of superheated vapour and saturation temperature
D.	none of the mentioned
Answer» C. sum of the temperature of superheated vapour and saturation temperature

4.	THE_SUPERHEAT_OR_DEGREE_OF_SUPERHEAT_IS_GIVEN_BY?$
A.	difference between the temperature of saturated liquid and saturation temperature
B.	difference between the temperature of superheated vapour and saturation temperature
C.	sum of the temperature of superheated vapour and saturation temperature
D.	none of the mentioned
Answer» C. sum of the temperature of superheated vapour and saturation temperature

5.	The properties of liquid _____ with pressure.$
A.	do not vary
B.	vary largely
C.	vary little
D.	none of the mentioned
Answer» D. none of the mentioned

6.	When_the_temperature_of_a_liquid_is_less_than_the_saturation_temperature_at_the_given_pressure,_the_liquid_is_called_compressed_liquid.$
A.	true
B.	false
Answer» B. false

7.	Which_of_the_following_statement_is_true?
A.	a subcooled liquid is one which is cooled below its saturation temperature at a certain pressure
B.	subcooling is the difference between the saturation temperature and the actual liquid temperature
C.	both of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

8.	When does a vapour become superheated?
A.	when the temperature of vapour is less than the saturation temperature at given pressure
B.	when the temperature of vapour is more than the saturation temperature at given pressure
C.	when the temperature of vapour is equal to the saturation temperature at given pressure
D.	none of the mentioned
Answer» C. when the temperature of vapour is equal to the saturation temperature at given pressure

9.	For a liquid-vapour mixture, which of the following can give us all the properties of the mixture?
A.	p or t and the quality of the mixture are given
B.	p or t and any one of the property is given
C.	both of the mentioned
D.	none of the mentioned
Answer» D. none of the mentioned

10.	If data are required for intermediate temperatures or pressures, linear interpolation is normally accurate.
A.	true
B.	false
Answer» B. false

11.	Saturated liquid or the saturated vapour has how many independent variables?
A.	one
B.	two
C.	three
D.	none of the mentioned
Answer» B. two

12.	When a liquid and its vapour are in equilibrium at a certain pressure and temperature, then which of the following is required to identify the saturation state.
A.	pressure
B.	temperature
C.	both pressure and temperature
D.	pressure or temperature
Answer» E.

13.	The entropy of saturated water is chosen to be zero at triple point.
A.	true
B.	false
Answer» B. false

14.	The internal energy of saturated water at the triple point is
A.	1
B.	0
C.	-1
D.	infinity
Answer» C. -1

15.	The properties of water are arranged in the steam tables as functions of
A.	pressure
B.	temperature
C.	pressure and temperature
D.	none of the mentioned
Answer» D. none of the mentioned