Thermodynamics
Test Your Thermodynamics Skills
Welcome to the Thermodynamics Quiz! This quiz is designed to test your understanding of core concepts in thermodynamics through a series of thought-provoking questions.
Whether you're a student, teacher, or simply curious, this engaging quiz covers:
- Zeroth, First, Second, and Third Laws of Thermodynamics
- Thermodynamic systems and processes
- Heat, work, and properties of gases
1. Zeroth law of thermodynamics states that
Two thermodynamic systems are always in thermal equilibrium with each other
If two systems are in thermal equilibrium, then the third system will also be in thermal equilibrium
Two systems not in thermal equilibrium with a third system will also not in thermal equilibrium with each other
When two systems are in thermal equilibrium with a third system, they are in thermal equilibrium with each other
2. A closed system undergoes a process 1-2 for which 'the values of Q1-2 and W1-2 are +20 kJ and +50 kJ, respectively. If the system is returned to state 1 and Q2-1 is -10 kJ, what is the value of the work W2-1?
+20kJ
-40 kJ
-80 kJ
+40 kJ
3. Heat does not spontaneously flow from a colder body to a hotter one. Which of the following thermodynamics law states this?
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Third law of thermodynamics
4. Which of the following is a type of thermodynamic system?
Open system
Closed system
Thermally isolated system
All of the mentioned
5. Which of the following thermodynamic law gives the concept of enthalpy?
First law of thermodynamics
Second law of thermodynamics
Third law of thermodynamics
Fourth law of thermodynamics
6. Heat flow into a system is ____, and heat flow out of the system is ________.
Positive, positive
Negative, negative
Negative, positive
Positive, negative
7. A cylinder/piston contains 1kg methane gas at 100 kPa, 20°C. The gas is compressed reversibly to a pressure of 800 kPa. What is the work required if the process is isothermal?
-116.0 kJ
-316.0 kJ
-216.0 kJ
-416.0 kJ
8. In an isobaric expansion of a gas
Volume and temperature both increases
Volume increases and temperature decreases
Volume decreases and temperature increases
Volume and temperature both decreases
9. The unit of temperature in S.I. Units is
Centigrade
Celsius
Fahrenheit
Kelvin
10. According to Dalton's law, the total pressure of the mixture of gases is equal to
Greater of the partial pressures of all
Average of the partial pressures of all
Sum of the partial pressures of all
Sum of the partial pressures of all divided by average molecular weight
11. Intensive property of a system is one whose value
Depends on the mass of the system, like volume
Does not depend on the mass of the system, like temperature, pressure, etc.
Is not dependent on the path followed but on the state
Is dependent on the path followed and not on the state
12. The ratio of two specific heats of air is equal to
0.17
0.24
0.1
1.41
13. Work done in a free expansion process is(a) (b) (c) (d) (e) minimum.
+ ve
-ve
Zero
Maximum
14. A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is
54°C
327°C
108°C
654°C
15. The term N.T.P. Stands for
Nominal temperature and pressure
Natural temperature and pressure
Normal temperature and pressure
Normal thermodynamic practice
16. The basis for measuring thermodynamic property of temperature is given by
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics
Third law of thermodynamics
17. For reversible adiabatic process, change in entropy is
Maximum
Minimum
Zero
Unpredictable
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