Distribution of Residence Time for Chemical Reactors

This is an MCQ-based quiz on the topic of Distribution of Residence Time for Chemical Reactors.

This includes the following:-

Endothermic reaction

The optimum temperature

Adiabatic PFR

Exothermic irreversible reactions

Adiabatic reaction

Start Quiz

Increase in temperature for an endothermic reaction ____

Decreases equilibrium conversion Increases equilibrium conversion Does not affect equilibrium conversion Initially decreases and then increases equilibrium conversion

The optimum temperature progression for exothermic reversible reaction is ____

The locus of maximum rates Highest allowable temperature The isothermal path Lowest allowable temperature

State true or false. An exothermic reaction approaches isothermal conditions by increasing the addition of inerts to the reaction mixture.

True False

State true or false. For exothermic reactions with large temperature drop, PFR is used.

True False

Which of the following reactors is used for large \(\frac{C_p}{-H_R}\)?

CSTR PFR Photocatalytic reactor Membrane reactor

A liquid phase reaction occurring in adiabatic PFR has a heat of reaction -120000 J/molK. Specific heat of the stream is 10000 J / molK. The temperature difference for complete conversion to be achieved is ___

560 K 8.33 K 12 K 83.33K

The conversion achieved for the liquid phase reaction occurring in an adiabatic PFR with a heat of reaction -100 kJ/molK, specific heat of the stream being 100 J / molK and the temperature difference being 800K is ___

0.65 0.75 0.90 0.80

The point of intersection of energy balance and material balance curves for exothermic irreversible reactions, wherein instability is witnessed is stated as ____

Pour point Boiling point Flash point Ignition point

Decrease in inerts for an endothermic reaction ____

Increases conversion Decreases conversion Has no effect on conversion Initially increases and then decreases conversion

Which of the following correctly relates conversion to the heat of adiabatic reaction?