__________ resistance is not involved in the combustion of a carbon particle. Ash Gas film Chemical reaction None of these TRUE ANSWER : ? YOUR ANSWER : ?
A rise in temperature All of these Does not affect a catalysed reaction Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate TRUE ANSWER : ? YOUR ANSWER : ?
A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is __________ seconds. 3 43833 32 1 TRUE ANSWER : ? YOUR ANSWER : ?
Reaction of benzene with chlorine gas to produce tri-chlorobenzene exemplifies a/an __________ reaction. Consecutive Parallel Elementary None of these TRUE ANSWER : ? YOUR ANSWER : ?
In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is ____________ (ii) (i) endothermic (ii) exothermic (i) endothermic (ii) enodthermic (i) exothermic (ii) endothermic (i) exothermic (ii) exothermic TRUE ANSWER : ? YOUR ANSWER : ?
The effectiveness factor for large value of Thiele modulus (L√(K/D1)) of a solid catalysed first order reaction is equal to (where, L = length of the reactor, cm, D1 = diffusion co-efficient, cm²/second) 1/(L√(K/D1)) L√(K/D1) 1 ∞ TRUE ANSWER : ? YOUR ANSWER : ?
In case of a/an __________ chemical reaction, conversion increases with the rise in temperature. Irreversible exothermic Reversible exothermic Irreversible endothermic Reversible endothermic TRUE ANSWER : ? YOUR ANSWER : ?
In case of a P.F.R., there Should not be any mixing along the flow path Neither A nor B May be lateral mixing of fluid Both A and B TRUE ANSWER : ? YOUR ANSWER : ?
Arrhenious equation represents graphically the variation between the __________ and temperature. Activation energy Rate of reaction Frequency factor Rate constant TRUE ANSWER : ? YOUR ANSWER : ?
When the reaction occurs in the diffusion controlled region, the apparent activation energy as measured is only __________ the true value. Twice None of these Equal Half TRUE ANSWER : ? YOUR ANSWER : ?