In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in _______________ in the concentration of CO2?

Related Mcqs:

A second order liquid phase reaction, A → B, is carried out in a mixed flow reactor operated in semi batch mode (no exit stream). The reactant A at concentration CAF is fed to the reactor at a volumetric flow rate of F. The volume of the reacting mixture is V and the density of the liquid mixture is constant. The mass balance for A is_______________________?

A. d(VCA)/dt = -F (CAF – CA) – kCA2V B. d(VCA)/dt = F (CAF – CA) – kCA2V C. d(VCA)/dt = -FCA – kCA2V D. d(VCA)/dt = FCAF – kCA2V...

For identical flow rate and feed composition, X plug flow reactors (PER) in series with a total volume V gives the same conversion as single_______________?

A. CSTR of volume V B. PFR of volume V C. CSTR of volume V/X D. PFR of volume V/X...

For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, when the _______________ is the controlling resistance?

A. Film diffusion B. Diffusion through ash layer C. Chemical reaction D. Either A., B. or C....

For a tubular reactor with space time ‘η’ and residence time ‘ζ’, the following statement holds good ?

A. η and θ are always equal B. η = θ, when the fluid density changes in the reactor C. η = θ, for an isothermic tubular reactor in which the density of the process fluid is constant D. η = θ, for a non-isothermal reactor...

Sometimes, batch process is preferred over continuous process, when the product___________________?

A. Quality & yield cannot be achieved in continuous processes, because of long residence time B. Sales demand is fluctuating C. Both A. & B. D. Neither A. nor B....