A. Work done under adiabatic condition
B. Co-efficient of thermal expansion
C. Compressibility
D. None of these
A. Reverse Carnot cycle
B. Ordinary vapour-compression cycle
C. Vapour-compression process with a reversible expansion engine
D. Air refrigeration cycle
A. Chemical potential
B. Activity
C. Fugacity
D. Activity co-efficient
A. Snow melts into water
B. A gas expands spontaneously from high pressure to low pressure
C. Water is converted into ice
D. Both B. & C
A. Low pressure and high temperature
B. Low pressure and low temperature
C. Low temperature and high pressure
D. High temperature and high pressure
A. (∂T/∂V)S = – (∂P/∂S)V
B. (∂S/∂P)T = – (∂V/∂T)P
C. (∂V/∂S)P = (∂T/∂P)S
D. (∂S/∂V)T = (∂P/∂T)V
A. Negative
B. Zero
C. Infinity
D. None of these
A. The same
B. Less than
C. Greater than
D. Different than
A. RT d ln P
B. R d ln P
C. R d ln f
D. None of these
A. Ideal compression of air
B. Free expansion of an ideal gas
C. Adiabatic expansion of steam in a turbine
D. Adiabatic compression of a perfect gas