Temperature is defined by

1.  First Law of thermodynamics

2.  Second Law of thermodynamics

3.  Third Law of  thermodynamics

4.  Zeroth Law of  thermodynamics

 

Subtopic:  Basic Terms |
 58%
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Which of the following is not thermodynamical function ?

(1) Enthalpy

(2) Work done

(3) Gibb's energy

(4) Internal energy

Subtopic:  Basic Terms |
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Which of the following can not determine the state of a thermodynamic system?

1. pressure and volume
2. volume and temperature
3. temperature and pressure
4. any one of pressure, volume, or temperature

Subtopic:  Basic Terms |
 78%
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Which of the following is not a thermodynamics co-ordinate ?

(1) P

(2) T

(3) V

(4) R

Subtopic:  Basic Terms |
 93%
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In an isothermal change, an ideal gas obeys:

1. Boyle's law 2. Charles law
3. Gay-Lussac law 4. None of the above
Subtopic:  Basic Terms |
 87%
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A system goes from A to B via two processes I and II as shown in figure. If ΔUI and ΔUII are the changes in internal energies in the processes I and II respectively, then 

(1) ΔUII > ΔUI

(2) ΔUII < ΔUI

(3) ΔUI = ΔUII

(4) Relation between ΔUI and ΔUII can not be determined

Subtopic:  Basic Terms | First Law of Thermodynamics |
 84%
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In the given (V-T) diagram, what is the relation between pressures P1andP2?

     

1. P2>P1

2. P2<P1

3. Cannot be predicted

4. P2=P1

Subtopic:  Basic Terms |
 77%
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Given below are two statements:

Statement I: Zeroth law of thermodynamics explains the concept of thermal energy.
Statement II: Thermal energy is independent of temperature.
 
1. Statement I is False but Statement II is True.
2. Both Statement I and Statement II are True.
3. Both Statement I and Statement II are False.
4. Statement I is true but Statement II is False.
Subtopic:  Basic Terms |
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In thermodynamics, the Zeroth law is related to:

1. Work done

2. Thermal equilibrium

3. Entropy

4. Diffusion

Subtopic:  Basic Terms |
 85%
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