Chemical Reaction Engineering For a packed bed reactor; the presence of a long tail in the residence time distribution curve is an indication of Bypass Dead zone Ideal plug flow Chanelling Bypass Dead zone Ideal plug flow Chanelling ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering 'Unreacted core model' represents the reaction involving Combustion of coal particles None of these Manufacture of carbon disulphide from elements Roasting of sulphide ores Combustion of coal particles None of these Manufacture of carbon disulphide from elements Roasting of sulphide ores ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering __________ gas is normally employed in B.E.T.method of finding out the surface area of catalyst. H₂ He N₂ CO₂ H₂ He N₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A back mix reactor is Same as plug flow reactor (PFR) Same as ideal stirred tank reactor Suitable for gas phase reactions Ideal at very low conversion Same as plug flow reactor (PFR) Same as ideal stirred tank reactor Suitable for gas phase reactions Ideal at very low conversion 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.) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) Reduced time (vt/V) None of these Reactor dispersion number (D/vL) Thiele modulus (L√(k/D1) ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering With increase in the space time of an irreversible isothermal reaction being carried out in a P.F. reactor, the conversion will Increase Data in insufficient; can't be predicted Remain same Decrease Increase Data in insufficient; can't be predicted Remain same Decrease ANSWER DOWNLOAD EXAMIANS APP
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