Chemical Reaction Engineering Exposure of a photographic plate to produce a latent image is an example of __________ reaction. Very slow Very fast Both B and C Photochemical Very slow Very fast Both B and C Photochemical ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Non-catalytic fluid-solid reactions are represented by __________ model. Unreacted core Both A and B Neither A and B Continuous reaction Unreacted core Both A and B Neither A and B Continuous reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick the WRONG design guideline for a reactor in which the reactions, A → R (desired) and A → S (undesired) are to take place. The ratio of the reaction rates is rR/rS = (k₁/k₂).Csub>Aa-b Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b Avoid recycle, when a > b Use batch reactor or plug flow reactor, when a > b Use high pressure and eliminate inerts, when a > b Use CSTR with a high conversion, when a > b Avoid recycle, when a > b Use batch reactor or plug flow reactor, when a > b ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering reactant and product streams). The amount of heat to be removed is 1kW 5/3 kW 2/3 kW 4kW 1kW 5/3 kW 2/3 kW 4kW ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering What is the dispersion number for a plug flow reactor? 1 -1 ? 1 -1 ? 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) Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) None of these Reduced time (vt/V) Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) None of these ANSWER DOWNLOAD EXAMIANS APP