Chemical Engineering - Chemical Reaction Engineering

41.
The rate of a chemical reaction is almost doubled for every 10°C rise in temperature. The rate will increase __________ times, if the temperature rises form 10 to 100°C.
256
512
112
612
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
A catalyst in a chemical reaction __________ free energy change in the reaction.
increases
decreases
either (a) or (b); depends on the type of catalyst
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
Signal normally used to study non-ideal flow by stimulus response technique is __________ input.
pulse
step
both (a) & (b)
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
When all the limiting reactant is consumed in the reaction, the operational yield __________ the relative yield.
is greater than
is smaller than
equals
can be either greater or smaller than (depends on the type of reaction)
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
The half life period of a first order reaction is
always the same irrespective of the reaction.
independent on initial concentration of the reactants.
proportional to the initial concentration of reactants.
half the specific rate constant.
Answer: Option
Explanation:
No answer description is available. Let's discuss.