Chemical Reaction Engineering Mean residence time is equal to the space time, when There is no change in number of moles in gaseous reaction The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these The feed rate is measured at temperature and pressure in the reactor There is no change in number of moles in gaseous reaction The temperature, pressure and the density of reaction mixture remains constant throughout the reactor All of these The feed rate is measured at temperature and pressure in the reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is the most suitable for isothermal operation? Fixed bed reactor Back-mix reactor Batch reactor Plug-flow reactor Fixed bed reactor Back-mix reactor Batch reactor Plug-flow reactor 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.) None of these Thiele modulus (L√(k/D1) Reduced time (vt/V) Reactor dispersion number (D/vL) None of these Thiele modulus (L√(k/D1) Reduced time (vt/V) Reactor dispersion number (D/vL) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The fractional volume change of the system for the isothermal gas phase reaction, A 3B , between no conversion and complete conversion is 0.5 3 1 2 0.5 3 1 2 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Exothermic reactions are best carried out in A plug flow reactor followed by CSTR A CSTR CSTR in series CSTR followed by a plug flow reactor A plug flow reactor followed by CSTR A CSTR CSTR in series CSTR followed by a plug flow reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The performance of a cascade of CSTR's can be improved by adding More CSTR's in series A P.F. reactor in series More CSTR's in parallel A P.F. reactor in parallel More CSTR's in series A P.F. reactor in series More CSTR's in parallel A P.F. reactor in parallel ANSWER DOWNLOAD EXAMIANS APP
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