Chemical Reaction Engineering The exit age distribution curve E(t) for an ideal CSTR with the average residence time, τ, is given by E-t/τ/T E-t/τ 1 - (e-t/τ/T) 1 - e-t/τ E-t/τ/T E-t/τ 1 - (e-t/τ/T) 1 - e-t/τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the liquid phase parallel reactions:R, rR = K?.CA2; E? = 80 KJ/moleS, rS = K?.CA ; E? = 120 KJ/mole The desired product is R. A higher selectivity of R will be achieved, if the reaction is conducted at Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR High temperature in a CSTR Low temperature in a PFR High temperature in a PFR Low temperature in a CSTR High temperature in a CSTR ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The role of a catalyst in a chemical reaction is to change the Final products Activation energy Heat of reaction Equilibrium constant Final products Activation energy Heat of reaction Equilibrium constant ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A reactor is generally termed as an autoclave, when it is a High pressure tubular reactor Atmospheric pressure tank reactor Atmospheric pressure CSTR High pressure batch reactor High pressure tubular reactor Atmospheric pressure tank reactor Atmospheric pressure CSTR High pressure batch reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving Combustion of coal particles Manufacture of carbon disulphide from elements Roasting of sulphide ores None of these Combustion of coal particles Manufacture of carbon disulphide from elements Roasting of sulphide ores None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In the hydrodealkylation of toluene to benzene, the following reactions occur:C₇H₈ + H₂ → C₆H₆ + CH₄2C₆H₆ ⇋ C₁₂H₁₀ + H₂Toluene and hydrogen are fed to a reactor in a molar ratio 1:5.80% of the toluene gets converted and the selectivity of benzene(defined as moles of benzene formed/moles of toluene converted) is 90%. The fractional conversion of hydrogen is 0.136 0.152 0.144 0.16 0.136 0.152 0.144 0.16 ANSWER DOWNLOAD EXAMIANS APP
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