Chemical Reaction Engineering When a catalyst increases the rate of chemical reaction, the rate constant Increases Remains constant Decreases Becomes infinite Increases Remains constant Decreases Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single CSTR of volume V/X CSTR of volume V PFR of volume V PFR of volume V/X CSTR of volume V/X CSTR of volume V PFR of volume V PFR of volume V/X ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A space velocity of 5 hr⁻¹ means that After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour Cent per cent conversion can be achieved in at least 5 hours A fixed conversion of a given batch of feed takes 5 hours After every 5 hours, reactor is being filled with the feed Five reactor volumes of feed (at specified conditions) are being fed into the reactor per hour Cent per cent conversion can be achieved in at least 5 hours A fixed conversion of a given batch of feed takes 5 hours ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The time needed to achieve the same fractional conversion for particles of different sizes (d) when chemical reaction controls, is proportional to D2 √d D1.5 D D2 √d D1.5 D 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 0.637 0.253 0.152 0.338 0.637 0.253 0.152 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering When the reaction is dominated by in-traparticle diffusion, the apparent order of reaction (nD) as measured is related to the true order (n) as None of these ND = n + 1 ND = (n + 1)/2 ND = n/2 None of these ND = n + 1 ND = (n + 1)/2 ND = n/2 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS