P + F - C = 2
C = P - F + 2
F = C - P - 2
P = F - C - 2
A. P + F - C = 2
Vapor compression cycle using expansion valve
Air refrigeration cycle
Vapor compression cycle using expansion engine
Carnot refrigeration cycle
30554
10373
4988.4
4364.9
Third law of thermodynamics
Second law of thermodynamics
Nernst heat theorem
Maxwell's relations
Pressure
Temperature
Both (A) & (B)
Neither (A) nor (B)
Adiabatic
Isothermal
Isometric
None of these
Any
A perfect
An easily liquefiable
A real
5 & 3
3.987 & 1.987
1.987 & 0.66
0.66 & 1.987
V/T = Constant
V ∝ 1/T
V ∝ 1/P
PV/T = Constant
Is zero
Increases
Decreases whereas the entropy increases
And entropy both decrease
More in vapour phase
More in liquid phase
Same in both the phases
Replaced by chemical potential which is more in vapour phase
Reversible and isothermal
Isothermal and irreversible
Reversible and adiabatic
Adiabatic and irreversible
Two isothermal and two isentropic
Two isobaric and two isothermal
Two isochoric and two isobaric
Two isothermals and two isochoric
Becomes zero
Becomes infinity
Equals 1 kcal/kmol °K
Equals 0.24 kcal/kmol °K
Hour
Day
Minute
Second
Less than
Equal to
More than
Either (B) or (C); depends on the type of alloy
Minimum temperature attainable
Temperature of the heat reservoir to which a Carnot engine rejects all the heat that is taken in
Temperature of the heat reservoir to which a Carnot engine rejects no heat
None of these
Activity co-efficient is dimensionless.
In case of an ideal gas, the fugacity is equal to its pressure.
In a mixture of ideal gases, the fugacity of a component is equal to the partial pressure of the component.
The fugacity co-efficient is zero for an ideal gas
300 × (32/7)
300 × (33/5)
300 × (333/7)
300 × (35/7)
More
Less
Same
Unpredictable; depends on the particular reaction
Vapor pressure
Partial pressure
Chemical potential
None of these
Two temperatures only
Pressure of working fluid
Mass of the working fluid
Mass and pressure both of the working fluid
Zero
One
Two
Three
High temperature
Low pressure
Low temperature only
Both low temperature and high pressure
Increases with increase in pressure
Decreases with increase in temperature
Is independent of temperature
None of these
0
> 0
< 0
None of these
Value of absolute entropy
Energy transfer
Direction of energy transfer
None of these
(p + a/V2)(V - b) = nRT
PV = nRT
PV = A + B/V + C/V2 + D/V3 + ...
None of these
Phase rule variables are intensive properties
Heat and work are both state function
The work done by expansion of a gas in vacuum is zero
CP and CV are state function
Path
Point
State
None of these
Like internal energy and enthalpy, the absolute value of standard entropy for elementary substances is zero
Melting of ice involves increase in enthalpy and a decrease in randomness
The internal energy of an ideal gas depends only on its pressure
Maximum work is done under reversible conditions