Chemical Reaction Engineering Effectiveness factor of a catalyst pellet is a measure of the __________ resistance. Chemical reaction Pore diffusion None of these Gas film Chemical reaction Pore diffusion None of these Gas film ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A catalyst loses its activity due to Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface All of these Loss in surface area of the active component Covering of the catalytic active sites by a foregin substance Agglomeration of metal particles caused by thermal sintering of the solid surface All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering At a given temperature, K₁, K₂ and K3 are equilibrium constants for the following reactions 1, 2, 3 respectively. CH₄(g) + H₂O(g) ⇋ CO(g) + 3H₂(g), CO(g) + H₂O(g) ⇋ CO₂(g) + H₂(g) CH₄(g) + 2H₂O(g) ⇋ CO₂(g) + 4H₂(g) Then K₁, K₂ and K3 are related as: K3 = (K₁.K₂)2 K3 = K₁.K₂ K3(K₁+K₂)/2 K3 = (K₁.K₂)0.5 K3 = (K₁.K₂)2 K3 = K₁.K₂ K3(K₁+K₂)/2 K3 = (K₁.K₂)0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 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 1/(L√(K/D1)) L√(K/D1) ∞ 1 1/(L√(K/D1)) L√(K/D1) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An autothermal reactor is Most suitable for a second order reaction Isothermal in nature Most suitable for a reversible reaction Completely self-supporting in its thermal energy requirements Most suitable for a second order reaction Isothermal in nature Most suitable for a reversible reaction Completely self-supporting in its thermal energy requirements ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering n' number of plug flow reactors (P.F.R) in series with a total volume 'V' gives the same conversion as one P.F.R. of volume V.n V/n V 1/V V.n V/n V 1/V ANSWER DOWNLOAD EXAMIANS APP
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