Chemical Engineering MCQs

A. Increases with rise in pressure
B. Decreases with rise in pressure
C. Is independent of pressure
D. Is a path function

A. Rate of change of vapour pressure with temperature
B. Effect of an inert gas on vapour pressure
C. Calculation of δf for spontaneous phase change
D. Temperature dependence of heat of phase transition

A. In standard state
B. At high pressure
C. At low temperature
D. In ideal state

A. Value of absolute entropy
B. Energy transfer
C. Direction of energy transfer
D. None of these

A. Departure from ideal solution behaviour
B. Departure of gas phase from ideal gas law
C. Vapour pressure of liquid
D. None of these

A. Volume
B. Enthalpy
C. Both a. & b
D. Neither a. nor b

A. Ideal
B. Very high pressure
C. Very low temperature
D. All of the above

A. D ln p/dt = hvap/rt2
B. D ln p/dt = rt2/hvap
C. Dp/dt = rt2/hvap
D. Dp/dt = hvap/rt2

A. Positive
B. Negative
C. Zero
D. Infinity

A. Adiabatic process
B. Isothermal process
C. Isobaric process
D. All require same work