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 0.5τ τ/0.693 2τ 0.693τ 0.5τ τ/0.693 2τ 0.693τ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Pick out the wrong statement pertaining to space velocity of flow reactors. The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ None of these The space velocity of 3 hr⁻¹ means that three reactor volumes of feed at specified conditions are being fed into the reactor every hour The space velocity of 3 hr⁻¹ means that one third reactor volume of feed at specified conditions are being fed into the reactor The unit of space velocity is (time)⁻¹ None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of decomposition of a liquid 'A' by irreversible first order reaction is 12 minutes. The time required for 75% conversion of 'A' is __________ minutes. 18 12 6 24 18 12 6 24 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The size of plug flow reactor (PFR) for all positive reaction orders and for any given duty, is __________ that of mixed reactor. Equal to Greater than Unpredictable from the data Smaller than Equal to Greater than Unpredictable from the data Smaller than ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Collision theory gives the rate constant for bimolecular reaction as K α eE/RT K α √T.e-E/RT None of these K α e-E/RT K α eE/RT K α √T.e-E/RT None of these K α e-E/RT ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In which of the following gaseous phase reversible reactions, the product yield can not be increased by the application of high pressure? N₂ + O₂ ⇋ 2NO PCl3 + Cl₂ ⇋ PCl5 2SO₂ + O₂ ⇋ 2SO₃ N + 3H₂ ⇋ 2NH₃ N₂ + O₂ ⇋ 2NO PCl3 + Cl₂ ⇋ PCl5 2SO₂ + O₂ ⇋ 2SO₃ N + 3H₂ ⇋ 2NH₃ ANSWER DOWNLOAD EXAMIANS APP
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