Chemical Reaction Engineering What is the order of a chemical reaction whose rate is deter-mined by the variation of one concentration term only? Third Second First Zero Third Second First Zero 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 In a first order reaction, the time required to reduce the concentration of reactant from 1 mole/litre to 0.5 mole/litre will be __________ that required to reduce it from 10 moles/litre to 5 moles/litre in the same volume. Less than Same as Data insufficient; can't be predicted More than Less than Same as Data insufficient; can't be predicted More than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In a zero order reaction, reactants concentration does not change with time and the Reaction rate is trebled when the initial concentration is trebled Time for completion of the reaction is independent of the initial concentration Time for half change is independent of the initial concentration Time for half change is half the time taken for completion of the reaction Reaction rate is trebled when the initial concentration is trebled Time for completion of the reaction is independent of the initial concentration Time for half change is independent of the initial concentration Time for half change is half the time taken for completion of the reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Sulphuric acid is used as a catalyst in the Alkylation of hydrocarbons Gas phase oxidation of SO₂ in chamber process None of these Hydrogenation of oils Alkylation of hydrocarbons Gas phase oxidation of SO₂ in chamber process None of these Hydrogenation of oils ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Space velocity All of these Is the maximum feed rate pre unit volume of reactor for a given conversion Describes the extensive operating characteristics of a tubular flow reactor Is a measure of the ease of the reaction All of these Is the maximum feed rate pre unit volume of reactor for a given conversion Describes the extensive operating characteristics of a tubular flow reactor Is a measure of the ease of the reaction ANSWER DOWNLOAD EXAMIANS APP
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