A. Fluidised bed reactor
B. Moving bed reactor
C. Fixed bed reactor
D. None of these
Related Mcqs:
- In case of calcination of limestone, CaCO3 CaO + CO2, the addition of more of CaO will result in _______________ in the concentration of CO2?
A. No change
B. Increase
C. Decrease
D. Unpredictable from the data - Calcination reaction of limestone (CaCO3 → CaO + CO2) goes to completion in the rotary kiln, because____________________?
A. CaO is not dissociated
B. CO2 escapes continuously
C. Of high calcination temperature
D. CaO is more stable than CaCO3 - On application of pressure to the equilibrium system, ice ⇌ water; which of the following phenomenon will occur ?
A. Water will evaporate
B. Equilibrium will not be attained
C. More ice will be formed
D. More water will be formed - Which of the following is the optimum operating condition for an exothermic reversible reaction taking place in a plug-flow reactor ?
A. Temperature should be high in the beginning and decreased towards the end of the reaction
B. Very low temperature should be used throughout the reaction
C. Very high temperature should be used throughout the reaction
D. None of these - In which of the following reactions, the equilibrium will shift to the right, if the total pressure is increased ?
A. H2 + Cl2 ⇌ 2HCl
B. N2 + O2 ⇌ 2NO
C. N2O4 ⇌ 2 NO2
D. H2 + I2 ⇌ 2HI - Which of the following is not endothermic in nature ?
A. Combustion of sulphur
B. Gasification of carbon
C. Thermal cracking of fuel oil
D. Steam reforming of naphtha - Which of the following is the most suitable for very high pressure gas phase reaction ?
A. Batch reactor
B. Tubular flow reactor
C. Stirred tank reactor
D. Fluidised bed reactor - In which of the following gaseous phase reversible reactions, the product yield cannot be increased by the application of high pressure ?
A. N2 + O2 ⇌ 2NO
B. PCl3 + Cl2 ⇌ PCl5
C. N + 3H2 ⇌ 2NH3
D. 2SO2 + O2 ⇌ 2SO3 - Which of the following factors control the deactivation of a porous catalyst pellet?
A. Decay reactions
B. Pore diffusion
C. Form of surface attack by poison
D. All A., B. and C. - Which of the following is a controlling factor in very fast heterogeneous reaction ?
A. Heat and mass transfer effects
B. Pressure
C. Temperature
D. Composition of reactant
