Chemical Reaction Engineering The space time is equivalent to the holding time in a steady state mixed reactor for Variable fluid density systems Non-isothermal gas reaction Gas reactions with changing no. of moles Constant fluid density systems Variable fluid density systems Non-isothermal gas reaction Gas reactions with changing no. of moles Constant fluid density systems ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A gaseous reactant is introduced in a mixed reactor of 3 litres volume at the rate of 1 litre/second. The space time is __________ seconds. 1 43833 32 3 1 43833 32 3 ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A first order reaction is to be treated in a series of two mixed reactors. The total volume of the two reactors is minimum, when the reactors are Equal in size None of these Of such size that the ratio of their volumes is < 5 Of different sizes Equal in size None of these Of such size that the ratio of their volumes is < 5 Of different sizes ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering Which of the following is used for calcination of limestone and dolomite in industrial practice? Moving bed reactor None of these Fixed bed reactor Fluidised bed reactor Moving bed reactor None of these Fixed bed reactor Fluidised bed reactor ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering The reaction rate almost gets doubled for 10°C rise in temperature. This is due to the fact that the Fraction of molecules having threshold energy increases Value of threshold energy decreases Collision frequency increases Increased temperature reduces the activation energy Fraction of molecules having threshold energy increases Value of threshold energy decreases Collision frequency increases Increased temperature reduces the activation energy ANSWER DOWNLOAD EXAMIANS APP
Chemical Reaction Engineering A multiple reaction may be classified as a __________ reaction. Parallel or side Mixed All of these Consecutive or side Parallel or side Mixed All of these Consecutive or side ANSWER DOWNLOAD EXAMIANS APP
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