Chemical Reaction Engineering In solid catalysed reactions the diffusional effects are more likely to affect the overall rate of reaction for Fast reactions in catalyst of small pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Slow reactions in catalyst of large pore diameter Fast reactions in catalyst of small pore diameter Fast reaction in catalyst of large pore diameter Slow reactions in catalyst of small pore diameter Slow reactions in catalyst of large pore diameter ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Photo-chemical reactions occur in presence of Monochromatic radiation only Darkness Solid catalysts Sunlight Monochromatic radiation only Darkness Solid catalysts Sunlight 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. Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction Diffusion through ash layer Film diffusion Either A, B or C Chemical reaction ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A batch reactor suffers from following disadvantage. High shutdown time requirement for emptying, cleaning and refilling All of these Poor product quality control High labour and handling cost High shutdown time requirement for emptying, cleaning and refilling All of these Poor product quality control High labour and handling cost ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two equal sized CSTR. The conversion is Less when they are connected in series Same whether they are connected in series or in parallel More when they are connected in series More when they are connected in parallel Less when they are connected in series Same whether they are connected in series or in parallel More when they are connected in series More when they are connected in parallel ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The rate at which a chemical substance reacts is proportional to its Molecular weight Active mass None of these Equivalent weight Molecular weight Active mass None of these Equivalent weight ANSWER DOWNLOAD EXAMIANS APP
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