Pressure

Composition

Temperature

All (A), (B) and (C)

D. All (A), (B) and (C)

+ve

-ve

0

Either of the above three; depends on the nature of refrigerant

Two

One

Zero

Three

Equation of state

Gibbs Duhem equation

Ideal gas equation

None of these

Free energy

Entropy

Refractive index

None of these

Work done under adiabatic condition

Co-efficient of thermal expansion

Compressibility

None of these

Superheated vapour

Partially condensed vapour with quality of 0.9

Saturated vapour

Partially condensed vapour with quality of 0.1

2

0

3

1

2

0

1

3

Increases

Decreases

Remains unchanged

First decreases and then increases

Same

Doubled

Halved

One fourth of its original value

Isothermal

Adiabatic

Isobaric

Isometric

Reversible isothermal volume change

Heating of a substance

Cooling of a substance

Simultaneous heating and expansion of an ideal gas

The amount of work needed is path dependent

Work alone cannot bring out such a change of state

The amount of work needed is independent of path

More information is needed to conclude anything about the path dependence or otherwise of the work needed

Accomplishes only space heating in winter

Accomplishes only space cooling in summer

Accomplishes both (A) and (B)

Works on Carnot cycle

F = E - TS

F = H - TS

F = H + TS

F = E + TS

dE = Tds - PdV

_{v}dT + PdV

_{p}dT + Vdp

Tds = dE - PdV

Vant-Hoff equation

Le-Chatelier's principle

Arrhenius equation

None of these

High thermal conductivity

Low freezing point

Large latent heat of vaporisation

High viscosity

A heating effect

No change in temperature

A cooling effect

Either (A) or (C)

The energy change of a system undergoing any reversible process is zero

It is not possible to transfer heat from a lower temperature to a higher temperature

The total energy of system and surrounding remains the same

None of the above

_{1}dμ_{1} + n_{2}dμ_{2} + ....n_{j}dμ_{j} = 0, for a system of definite composition at constant temperature and pressure

Applies only to binary systems

Finds no application in gas-liquid equilibria involved in distillation

None of these

Maxwell's equation

Thermodynamic equation of state

Equation of state

Redlich-Kwong equation of state

Slower than Y

Faster than Y

Three times slower than Y

Three times faster than Y

Isothermal

Adiabatic

Isentropic

Polytropic

349

651

667

1000

Solid-vapor

Solid-liquid

Liquid-vapor

All (A), (B) and (C)

0.25

0.5

0.75

1

Negative

Zero

Infinity

None of these

Pressure

Composition

Temperature

All (A), (B) and (C)

_{p})

_{v})

Joule-Thompson co-efficient

None of these