Chemical Reaction Engineering The reactions with low activation energy are Non-spontaneous Fast Slow Always spantaneous Non-spontaneous Fast Slow Always spantaneous ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ catalytic reaction is involved in the thermal cracking of gas oil. Homogeneous Heterogeneous Heterogeneous non Homogeneous non Homogeneous Heterogeneous Heterogeneous non Homogeneous non 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.) 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) Reduced time (vt/V) None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Half life period of a chemical reaction is Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction None of these Half of the residence time of a reaction The time required to reduce the concentration of the reacting substance to half its initial value Half of the space time of a reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Rate of a chemical reaction is not influenced by the Reactants concentration Number of molecules of reactants taking part in a reaction Temperature Catalyst Reactants concentration Number of molecules of reactants taking part in a reaction Temperature Catalyst ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For a zero order chemical reaction, the Products concentration increases linerarly with time All of these Half life period is directly proportion to the initial concentration of the reac-tants Plot of products concentration with time is a straight line through the origin Products concentration increases linerarly with time All of these Half life period is directly proportion to the initial concentration of the reac-tants Plot of products concentration with time is a straight line through the origin ANSWER DOWNLOAD EXAMIANS APP