Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Photochemical Very slow Both B and C Very fast Photochemical Very slow Both B and C Very fast ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is not a dimension-less group used in catalysis ? (where, D = dispersion co-efficient, cm² /sec.D1 = diffusion co-efficient; cm²/sec L = length of the reactor, cm t = time, sec, v = volumetric flow rate, cm³/sec . V = volume, cm³.) Reduced time (vt/V) None of these Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) Reduced time (vt/V) None of these Thiele modulus (L√(k/D1) Reactor dispersion number (D/vL) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the rate of a chemical reaction becomes slower at a given temperature, then the Free energy of activation is lower Initial concentration of the reactants remains constant Entropy changes Free energy of activation is higher Free energy of activation is lower Initial concentration of the reactants remains constant Entropy changes Free energy of activation is higher ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order irreversible reaction, A → B is carried out separately in a constant volume as well as in a variable volume reactor for a particular period. It signifies that __________ in the two reactors. None of these Both the conversion as well as concentrations will be different Both conversion as well as concentration are same Conversion in both will be the same but concentrations will be different None of these Both the conversion as well as concentrations will be different Both conversion as well as concentration are same Conversion in both will be the same but concentrations will be different ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the reversible reaction A ⇋ 2B, if the equilibrium constant K is 0.05 mole/litre; starting from initially 2 moles of A and zero moles of B, how many moles will be formed at equilibrium? 0.338 0.152 0.253 0.637 0.338 0.152 0.253 0.637 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Cold shot cooling is only practical when the feed temperature is __________ than the reaction temperature. Higher Much lower Lower Much higher Higher Much lower Lower Much higher ANSWER DOWNLOAD EXAMIANS APP
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