1 |
The energy processes, we use are |
- A. Efficient
- B. Not efficient
- C. Reversible
- D. None of these
|
2 |
A heat engine operates between the temperature 1000 K and 400 K, Its efficiency is. |
- A. 100%
- B. 70%
- C. 60%
- D. 50%
|
3 |
Average translational K.E. of molecules for an ideal gas is given as |
- A. 1/2 KT
- B. KT
- C. 2/3 KT
- D. 3/2 KT
|
4 |
Pressure 'P' of a gas is defined as |
- A. F/A
- B. FA
- C. F/V
- D. F/D
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5 |
Not change in entropy of a system after one complete Carnot cycle is. |
- A. Positive
- B. Negative
- C. Zero
- D. None of these
|
6 |
If the temperature of sink is absolute zero then the efficiency of heat engine engine should be. |
- A. 100%
- B. 50%
- C. Infinite
- D. zero
|
7 |
The molecules of an ideal gas exert |
- A. Force on each other
- B. No force on each other
- C. Large force on each other
- D. Pressure on each other
|
8 |
The difference between tow molar capacities is equal to. |
- A. Plank's constant
- B. General gas equation
- C. Molar gas constant
- D. Boltzmann constant
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9 |
The entropy of the universe with passage of time is. |
- A. Increases
- B. Decreases
- C. Remain constant
- D. Increases and decreases
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10 |
The work done is isochoric process is. |
- A. Constant
- B. Variable
- C. Zero
- D. Depend upon condition
|