Number of components (C), phase (P) and degrees of freedom (F) are related by Gibbs phase rule as________________?
(A) P + F – C = 2
(B) C = P – F + 2
(C) F = C – P – 2
(D) P = F – C – 2
Entropy change in case of reversible adiabatic process is________________?
(A) Minimum
(B) Zero
(C) Maximum
(D) Indeterminate
Fundamental principle of refrigeration is based on the ______________ law of thermodynamics?
(A) Zeroth
(B) First
(C) Second
(D) Third
For a constant volume process_________________?
(A) dE = CpdT
(B) dE = CvdT
(C) dQ = dE + pdV
(D) dW = pdV
At absolute zero temperature, the _____________ of the gas is zero?
(A) Pressure
(B) Volume
(C) Mass
(D) None of these
No work is done by the system, when a reaction occurs at constant__________________?
(A) Volume
(B) Temperature
(C) Pressure
(D) None of these
If atmospheric temperature and dew point are nearly equal, then the relative humidity is_______________?
(A) Zero
(B) 50%
(C) Almost 100%
(D) unpredictable
In a reversible process__________________?
(A) Tds = dE + dW
(B) dE – dW = Tds
(C) dW – dE = Tds
(D) Tds – dW + dE >0
A system in which there is exchange of energy but not of mass, is called a/an ____________ system?
(A) Isolated
(B) Open
(C) Insulated
(D) Closed
Those solutions in which there is no volume change upon mixing the components in the liquid state and which, when diluted do not undergo any heat change (i.e. heat of dilution is zero), are called ____________ solutions?
(A) Ideal
(B) Real
(C) Isotonic
(D) None of these