Chemical Reaction Engineering A rise in temperature Normally tends to increase the reaction rate Does not affect a catalysed reaction All of these Does not affect photo-chemical reaction rates Normally tends to increase the reaction rate Does not affect a catalysed reaction All of these Does not affect photo-chemical reaction rates ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate constant of a reaction depends on the Initial concentration of reactants Time of reaction Temperature of the system Extent of reaction Initial concentration of reactants Time of reaction Temperature of the system Extent of reaction 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.) Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) Reduced time (vt/V) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A multiple reaction may be classified as a __________ reaction. Mixed Parallel or side Consecutive or side All of these Mixed Parallel or side Consecutive or side All of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction between oxygen and organic material is a/an __________ reaction. Endothermic Biochemical Photochemical Exothermic Endothermic Biochemical Photochemical Exothermic ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A pulse tracer is introduced in an ideal CSTR (with a mean residence time ι) at time, t = 0. The time taken for the exit concentration of the tracer to reach half of its initial value will be 2τ τ/0.693 0.693τ 0.5τ 2τ τ/0.693 0.693τ 0.5τ ANSWER DOWNLOAD EXAMIANS APP
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