A gas may have more than one inversion temperatures

The inversion temperature is different for different gases

The inversion temperature is same for all gases

The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

B. The inversion temperature is different for different gases

Increases

Decreases

Remain same

Decreases linearly

Snow melts into water

A gas expands spontaneously from high pressure to low pressure

Water is converted into ice

Both (B) & (C)

100,000 kW

160,000 kW

200,000 kW

320,000 kW

The distribution law

Followed from Margules equation

A corollary of Henry's law

None of these

V/T = Constant

V ∝ 1/T

V ∝ 1/P

PV/T = Constant

Volume

Temperature

Pressure

None of these

Vant-Hoff equation

Le-Chatelier's principle

Arrhenius equation

None of these

Zeroth

First

Second

Third

A refrigeration cycle violates the second law of thermodynamics

Refrigeration cycle is normally represented by a temperature vs. entropy plot

In a refrigerator, work required decreases as the temperature of the refrigerator and the temperature at which heat is rejected increases

One ton of refrigeration is equivalent to the rate of heat absorption equal to 3.53 kW

Heating occurs

Cooling occurs

Pressure is constant

Temperature is constant

Process must be isobaric

Temperature must decrease

Process must be adiabatic

Both (B) and (C)

Not have a sub-atmospheric vapour pressure at the temperature in the refrigerator coils

Not have unduly high vapour pressure at the condenser temperature

Both (A) and (B)

Have low specific heat

Enthalpy

Pressure

Entropy

None of these

_{vap}/RT^{2}

^{2}/H_{vap}

^{2}/H_{vap}

_{vap}/RT^{2}

Critical properties

Specific gravity

Specific volume

Thermal conductivity

RT d ln P

RT d ln f

R d ln f

None of these

50 kcal/hr

200 BTU/hr

200 BTU/minute

200 BTU/day

Increases with increase in pressure

Decreases with increase in temperature

Is independent of temperature

None of these

Solution

Formation

Dilution

Combustion

Trouton's ratio of non-polar liquids is calculated using Kistyakowsky equation

Thermal efficiency of a Carnot engine is always less than 1

An equation relating pressure, volume and temperature of a gas is called ideal gas equation

None of these

6738.9

6753.5

7058.3

9000

Volume

Pressure

Temperature

All a, b & c

Air compressor

Liquid cooling system of an automobile

Boiler

None of these

Pressure

Solubility

Temperature

None of these

Pressure

Composition

Temperature

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

Two isothermal and two isentropic

Two isobaric and two isothermal

Two isochoric and two isobaric

Two isothermals and two isochoric

Zeroth

First

Second

Third

RT ln K

-RT ln K

-R ln K

T ln K

Cp of monatomic gases such as metallic vapor is about 5 kcal/kg.atom

The heat capacity of solid inorganic substance is exactly equal to the heat capacity of the substance in the molten state

There is an increase in entropy, when a spontaneous change occurs in an isolated system

At absolute zero temperature, the heat capacity for many pure crystalline substances is zero

P + F - C = 2

C = P - F + 2

F = C - P - 2

P = F - C - 2