- (A) Poor product quality control
- (B) High labour and handling cost
- (C) High shutdown time requirement for emptying, cleaning and refilling
- (D) All
Chemical Engineering Mcqs
- (A) Lessens its selectivity
- (B) May be useful for suppressing undesirable side reactions
- (C) Is added in small quantity during the catalyst manufacture itself
- (D) All
- (A) CaO is not dissociated
- (B) CO2 escapes continuously
- (C) Of high calcination temperature
- (D) CaO is more stable than CaCO3
- (A) Langmuir adsorption isotherm
- (B) Adsorption isobar
- (C) Freundlich adsorption isotherm
- (D) None of these
- (A) Porosity
- (B) Sensitivity
- (C) Surface area
- (D) None of these
- (A) Constant residence time
- (B) Variation in extent of reaction and properties of the reaction mixture with time
- (C) Variation in reactor volume
- (D) Very low conversion
- (A) Non-isothermal gas reaction
- (B) Variable fluid density systems
- (C) Constant fluid density systems
- (D) Gas reactions with changing number of moles
- (A) Increase of reaction time
- (B) Increase in initial concentration
- (C) Total pressure
- (D) Decrease in total pressure
- (A) Jacketed liquid phase CSTR
- (B) Jacketed steam heated multitubular reactor
- (C) Multitubular reactor with cooling
- (D) Multistage multitubular reactor with interstage cooling
- (A) 2/3
- (B) 5/8
- (C) 1/3
- (D) 3/8
