1 |
Boyle's law is applicable in |
Isochoric process
Isothermal process
Isobaric process
Isotonic process
|
2 |
Absolute temperature can be calculated by |
Means squares velocity
Motion of the molecule
Both A and B
None of these
|
3 |
Which of the following is not thermo dynamical function? |
Enthalpy
Work done
Gibb's energy
Internal energy
|
4 |
At constant volume temperature is increased. Then |
Collision on walls will be less
Number of collisions per unit time will increase
Collision will be in straight lines
Collision will not change
|
5 |
The number of translation degress of freedom for a diatomic gas is |
2
3
5
6
|
6 |
A process is a reversible process, if the entropy of the system |
increases
decreases
remains constant
none of them
|
7 |
The disorder in the system increases due to the |
removal of heat
addition of heat
removal or addition of heat
none of them
|
8 |
An irreversible heat flow from a hot to cold substances of a system, causes the disorder to |
decrease
remains the same
increase
any one of them
|
9 |
If a system undergoes a natural process it will go in the direction that causes the entropy of the system plus the environment to increase, this is another statement of |
second law thermodynamics
first law of thermodynamics
third law of thermodynamics
none of them
|
10 |
In all natural processes where heat flows from one system to another, there is always a net |
decrease in entropy
increase in entropy
decrease or increase in entropy
none of them
|
11 |
When heat is removed from the system |
negative
positive
zero
any one of them
|
12 |
When heat is added into the system then change in entropy is |
negative
positive
zero
any one of them
|
13 |
Which quantity is important in stating the entropy of the system |
initial entropy
final entropy
change in entropy
none of them
|
14 |
Which of the following is a state variable |
entropy
pressure
volume
all of them
|
15 |
The concept of entropy was introduced into the study of thermodynamics in |
1856
1865
1656
1685
|