# Boyle's law i.e. pV = constant is applicable to gases under:

1.  All ranges of pressures

2.  Only small range of pressures

3.  High range of pressures

4.  Steady change of pressures

4
Correct Answer :

Only small range of pressures

Explanation :
No Explanation available for this question

# Which law states that the internal energy of a gas is a function of temperature

1.  Charles' law

2.  Joule's law

3.  Regnault's law

4.  Boyle's law

4
Correct Answer :

Joule's law

Explanation :
No Explanation available for this question

# The same volume of all gases would represent their:

1.  Densities

2.  Specific weights

3.  Molecular weights

4.  Gas characteristic constants

4
Correct Answer :

Molecular weights

Explanation :
No Explanation available for this question

# Which law states that the specific heat of a gas remains constant at all temperatures and pressures:

1.  Charles' Law

2.  Joule's Law

3.  Regnault's Law

4.  Boyle's Law

4
Correct Answer :

Regnault's Law

Explanation :
No Explanation available for this question

# An open system is one in which:

1.  Mass does not cross boundaries of the system, though energy may do so

2.  Neither mass nor energy crosses the boundaries of the system

3.  Both energy and mass cross the boundaries of the system

4.  Mass crosses the boundary but not the energy

4
Correct Answer :

Both energy and mass cross the boundaries of the system

Explanation :
No Explanation available for this question

# According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant.

1.  Joule's law

2.  Boyle's law

3.  Regnault's law

4.  Charles' law.

4
Correct Answer :

Charles' law.

Explanation :
No Explanation available for this question

# Gases have:

1.  Only one value of specific heat

2.  Two values of specific heat

3.  Three values of specific heat

4.  No value of specific heat

4
Correct Answer :

Two values of specific heat

Explanation :
No Explanation available for this question

# According to Avogadro Hypothesis:

1.  The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature

2.  The sum of partial pressure of mixture of two gases is sum of the two

3.  Product of the gas constant and the molecular weight of an ideal gas is constant

4.  Gases have two values of specific heat

4
Correct Answer :

The molecular weights of all the perfect gases occupy the same volume under same conditions of pressure and temperature

Explanation :
No Explanation available for this question

# Extensive property of a system is one whose value:

1.  Depends on the mass of the system like volume

2.  Does not depend on the mass of the system, like temperature, pressure, etc.

3.  is not dependent on the path followed but on the state

4.  is dependent on the path followed and not on the state

4
Correct Answer :

Depends on the mass of the system like volume

Explanation :
No Explanation available for this question

# Work done in a free expansion process is:

1.  + ve

2.  -ve

3.  Zero

4.  Maximum

4
Correct Answer :

Zero

Explanation :
No Explanation available for this question

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