CHEMICAL REACTION ENGINEERING QUIZ

In a continuous flow stirred tank reactor, the composition of the exit stream

None of these

Is same as that in the reactor

Is different than that in the reactor

Depends upon the flow rate of inlet stream

TRUE ANSWER : ?
YOUR ANSWER : ?

Kinetics of a catalytic reaction can be best studied on a/an __________ reactor.

Either A, B and C

Differential (flow)

Mixed

Integral (plug flow)

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following factors control the design of a fluid-solid reactor?

All of these

Size distribution of solids beingtreated

Flow patterns of solids and fluid in the reactor

Reaction kinetics for single particle,

TRUE ANSWER : ?
YOUR ANSWER : ?

A rise in temperature

Normally tends to increase the reaction rate

All of these

Does not affect photo-chemical reaction rates

Does not affect a catalysed reaction

TRUE ANSWER : ?
YOUR ANSWER : ?

For a zero order chemical reaction, the

Products concentration increases linerarly with time

All of these

Plot of products concentration with time is a straight line through the origin

Half life period is directly proportion to the initial concentration of the reac-tants

TRUE ANSWER : ?
YOUR ANSWER : ?

Which of the following is an independent variable for a batch tank reactor with uniform concentration and temperature?

Useful volume of the tank

None of these

Diameter of the reactor

Time

TRUE ANSWER : ?
YOUR ANSWER : ?

For a tubular flow reactor with uniform concentration and temperature, the independent variable is

Time

Diameter

Length

None of these

TRUE ANSWER : ?
YOUR ANSWER : ?

Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature.

Lower

Much lower

Higher

Much higher

TRUE ANSWER : ?
YOUR ANSWER : ?

An imbalanced chemical reaction equation is against the law of

Constant proportion

Conservation of mass

None of these

Multiple proportion

TRUE ANSWER : ?
YOUR ANSWER : ?

In autocatalytic reactions,

One of the reactants acts as a catalyst

Catalysts have very high selectivity

No catalyst is used

One of the products acts as a catalyst

TRUE ANSWER : ?
YOUR ANSWER : ?