Free energy change at equilibrium is____________________?
(A) Zero
(B) Positive
(C) Negative
(D) Indeterminate
Extensive properties of a thermodynamic system depend upon the _____________ of the system?
(A) Specific volume
(B) Temperature
(C) Mass
(D) Pressure
Chemical potential is a/an_____________________?
(A) Extensive property
(B) Intensive property
(C) Force which drives the chemical system to equilibrium
(D) Both
_______________ functions are exemplified by heat and work ?
(A) Path
(B) Point
(C) State
(D) None of these
Domestic refrigerator usually works on the _____________ refrigeration cycle?
(A) Carnot
(B) Air
(C) Absorption
(D) vapour-ejection
(1/V) (∂V/∂T)P is the mathematical expression__________________?
(A) Joule-Thomson co-efficient
(B) Specific heat at constant pressure (Cp)
(C) co-efficient of thermal expansion
(D) Specific heat at constant volume (CV)
Lowering of condenser temperature (keeping the evaporator temperature constant) in case of vapour compression refrigeration system results in__________________?
(A) Increased COP
(B) Same COP
(C) Decreased COP
(D) Increased or decreased COP; depending upon the type of refrigerant
The temperature at which both liquid and gas phases are identical, is called the _____________ point?
(A) Critical
(B) Triple
(C) Freezing
(D) Boiling
Entropy is a/an___________________?
(A) State function
(B) Macroscopic property
(C) Extensive property
(D) None of these
Isentropic process means a constant _____________________ process ?
(A) Enthalpy
(B) Pressure
(C) Entropy
(D) None of these