Chemical Reaction Engineering Space time in flow reactor is Usually equal to the residence time The reciprocal of the space velocity Both A and B A measure of its capacity Usually equal to the residence time The reciprocal of the space velocity Both A and B A measure of its capacity ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ is the controlling step in a highly temperature sensitive fluid-solid non-catalytic reaction. Gas film diffusion Ash diffusion Chemical reaction None of these Gas film diffusion Ash diffusion Chemical reaction None of these ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering During manufacture of H₂SO₄, the oxidation of SO₂ to SO₃ by oxygen is an en- dothermic reaction. The yield of SO₃ will be maximised, if the Temperature is increased and pressure is reduced Pressure is reduced Temperature is increased Temperature is reduced and pressure is increased Temperature is increased and pressure is reduced Pressure is reduced Temperature is increased Temperature is reduced and pressure is increased ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For the non catalytic reaction of particles with surrounding fluid, the same needed to achive the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the __________ is the controlling resistance. Chemical reaction Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Mean residence time is equal to the space time, when The temperature, pressure and the density of reaction mixture remains constant throughout the reactor There is no change in number of moles in gaseous reaction All of these The feed rate is measured at temperature and pressure in the reactor The temperature, pressure and the density of reaction mixture remains constant throughout the reactor There is no change in number of moles in gaseous reaction All of these The feed rate is measured at temperature and pressure in the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering If the time required to complete a definite fraction of reaction varies inversely as the concentration of the reactants, then the order of reaction is 2 1 3 2 1 3 ANSWER DOWNLOAD EXAMIANS APP
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