Chemical Reaction Engineering Oil is hydrogenated using nickel catalyst in a __________ reactor. Batch Fluidised bed Fixed bed Slurry Batch Fluidised bed Fixed bed Slurry ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The minimum energy required to allow a chemical reaction to proceed is termed as the 'threshold energy '. Chemical reaction with low activation energy are Insensitive to temperature changes Highly temperature sensitive Always irreversible Mostly irreversible Insensitive to temperature changes Highly temperature sensitive Always irreversible Mostly irreversible ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction requires two equal sized CSTR. The conversion is 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 Less when they are connected in series Same whether they are connected in series or in parallel More when they are connected in series ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering For identical flow rate, feed composition and for elementary first order reactions, 'N' equal sized mixed reactors in series with a total volume 'V' gives the same conversion as a single plug flow reactor of volume 'V' for constant density systems. This is true, when the value of 'N' is >1 1 ≥1 ∞ >1 1 ≥1 ∞ ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering In case of calcination of limestone, CaCO₃ CaO + CO₂, the addition of more of CaO will result in __________ in the concentration of CO₂. Decrease No change Unpredictable from the data Increase Decrease No change Unpredictable from the data Increase ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Gas reactions with changing no. of moles Variable fluid density systems Constant fluid density systems Non-isothermal gas reaction Gas reactions with changing no. of moles Variable fluid density systems Constant fluid density systems Non-isothermal gas reaction ANSWER DOWNLOAD EXAMIANS APP
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