Chemical Engineering MCQs

A. +ve
B. 0
C. -ve
D. ∞

A. -273
B. 0
C. -78
D. 5

A. Zero
B. Positive
C. Negative
D. None of these

A. Freon-12
B. Ethylene
C. Ammonia
D. Carbon dioxide

A. 2.73
B. 28.3
C. 273
D. 283

A. Zero
B. Negative
C. Very large compared to that for endothermic reaction
D. Not possible to predict

A. The energy change of a system undergoing any reversible process is zero
B. It is not possible to transfer heat from a lower temperature to a higher temperature
C. The total energy of system and surrounding remains the same
D. None of the above

A. Zero
B. Negative
C. More than zero
D. Indeterminate

A. Isothermal
B. Isobaric
C. Polytropic
D. Adiabatic

A. Ds = 0
B. Ds <0
C. Ds > 0
D. Ds = constant