The dispersion number of perfect mixed flow is
Half life period of decomposition of a liquid 'A' by irreversible first order reaction isminutes. The time required forconversion of 'A' is __________ minutes.
The reactions with low activation energy are
Oil is hydrogenated using nickel catalyst in a __________ reactor.
Pick out the wrong statement.
B.E.T. method of finding out surface area of a catalyst, uses the extension of __________ isotherm.
In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in __________ in the concentration of CO2.
Which of the following is not endothermic in nature ?
The performance equations for constant density systems are identical for
Arhenious equation shows the variation of __________ with temperature.
When a catalyst increases the rate of chemical reaction, the rate constant
Catalyst is a substance, which __________ chemical reaction.
Pick out the correct statement.
The rate of a gas phase reaction is given by K . CA . CB. If the volume of the reaction vessel is reduced to l/4th of its initial volume, then the reaction rate compared to the original rate will be __________ times.
The rate of a homogeneous reaction is a function of
In the fluid catalytic cracker (FCC), the cracking reaction is __________ (A) and the regeneration is___(B) __________
The residence time distribution of an ideal CSTR is
With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will
Reaction rate of a first order reaction, which is half completed inminutes will be
The rate of an autocatalytic reaction, , is given by -rA = k . CA . CB. In this case, the
The extent of a reaction is
The catalyst in a first order chemical reaction changes the
An example of autothermal reactor operation is
With increase in initial concentration, the fractional conversion of a first order reaction in a given time
In an ideal mixed reactor (at steady state), the
A rise in temperature
Rate of a chemical reaction is not affected by the
Overall rate of reaction in a heterogenous catalytic reaction depends upon the mass and energy transfer from the fluid to solid surface and its rate of reaction is usually __________ the concentration of catalyst, if it does not entail a chain mechanism.
What is the dispersion number for a CSTR?
Rate of a chemical reaction is independent of the concentration of the reactants for a __________ reaction.
Velocity of a chemical reaction
The space time is equivalent to the holding time in a steady state mixed reactor for
Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ?
Half life period of a first order irreversible reaction A B is
Higher free energy of activation of a chemical reaction (at a given temperature) implies
For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of
Reactions with high activation energy are
The rate of reaction of a/an __________ reaction is not affected by temperature rise.
A space velocity of 5 hr-1 means that
The knowledge of initial concentration and rate constant is necessary to determine the half life time of a reaction of __________ order.
The enzyme which can catalyse the conversion of glucose to ethyl alcohol is
Integral method for analysing the kinetic data is used
Collision theory gives the rate constant for bimolecular reaction as
__________ resistance is not involved in the combustion of a carbon particle.
In an ideal P.F.R. at steady state conditions
With increase in temperature, the rate constant obeying Arhenious equation
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