Chemical Reaction Engineering The synthesis of proteins and metabolism in biological objects occur in the presence of biocatalyst called A ferment or an enzyme None of these Fungi Haemoglobin A ferment or an enzyme None of these Fungi Haemoglobin ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Arrhenious equation represents graphically the variation between the __________ and temperature. Rate constant Frequency factor Rate of reaction Activation energy Rate constant Frequency factor Rate of reaction Activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the unit of the rate constant in a chemical reaction in which 10% of the reactant decomposes in one hour, 20% in two hours, 30% in three hours and so on? Moles/litre.second Litre/second Litre/mole Litre/mole.second Moles/litre.second Litre/second Litre/mole Litre/mole.second ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If Thiele modulus is __________ , then the pore diffusion resistance in a catalyst may be considered as negligible. 0 ∞ > 0.5 < 0.5 0 ∞ > 0.5 < 0.5 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering An isothermal aqueous phase reversible reaction, P ⇋ R, is to be carried out in a mixed flow reactor. The reaction rate in k.mole/m³ .h is given by, r = 0.5CP - 0.125CR. A stream containing only P enters the 1.33 1.60 2.67 0.80 1.33 1.60 2.67 0.80 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in temperature, the rate constant obeying Arhenious equation Decreases Increases Decreases exponentially Can either increase or decrease ; depends on the frequency factor Decreases Increases Decreases exponentially Can either increase or decrease ; depends on the frequency factor ANSWER DOWNLOAD EXAMIANS APP
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