Chemical Engineering Thermodynamics MCQ Questions & Answers | Chemical Engineering

A. Enthalpies of all elements in their standard states are assumed to be zero

B. Combustion reactions are never en-dothermic in nature

C. Heat of reaction at constant volume is equal to the change in internal energy

D. Claussius-clayperon equation is not applicable to melting process

A. 0°C

B. 273°C

C. 100°C

D. -273°C

A. In standard state

B. At high pressure

C. At low temperature

D. In ideal state

A. Mass

B. Momentum

C. Energy

D. None of these

A. ∞

B. 0

C. < 0

D. > 0

A. Heating occurs

B. Cooling occurs

C. Pressure is constant

D. Temperature is constant

A. Low pressure & high temperature

B. High pressure & low temperature

C. Low pressure & low temperature

D. None of these

A. A gas may have more than one inversion temperatures

B. The inversion temperature is different for different gases

C. The inversion temperature is same for all gases

D. The inversion temperature is the temperature at which Joule-Thomson co-efficient is infinity

A. At constant pressure, solubility of a gas in a liquid diminishes with rise in temperature

B. Normally, the gases which are easily liquified, are more soluble in common solvents

C. The gases which are capable of forming ions in aqueous solution, are much more soluble in water than in other solvents

D. At constant pressure, solubility of a gas in a liquid increases with rise in temperature

A. 0

B. ∞

C. 50

D. 100