A. Providing irregular grain size
B. Providing minimum percentage of voids
C. Having maximum possible points of contact
D. None of these
Related Mcqs:
- Powdery materials can be guarded against caking tendency on storage by___________________?
A. Providing irregular grain size
B. Providing minimum percentage of voids
C. Having maximum possible points of contact
D. None of these - The caking of crystals can be prevented by _____________________?
A. Maintaining high critical humidity
B. Maintaining low critical humidity
C. Coating the product with inert material
D. Both A. and C. - Design calculation for multiple component distillation is done by_________________?
A. Ponchon-Savarit method
B. McCabe-Thiele method
C. Enthalpy concentration method
D. Tray to tray calculations - Deaeration (removal of O2) of water is done by_________________?
A. Rectification
B. Absorption
C. Ion-exchange
D. Adsorption - High pressure at the bottom of a distillation tower handling heat sensitive materials results in____________________?
A. Thermal decomposition of bottoms
B. Increased relative volatility
C. Erosion of the tower
D. Very efficient operation - High pressure at the bottom of a distillation tower handling heat sensitive materials results in _____________________?
A. Thermal decomposition of bottoms
B. Increased relative volatility
C. Erosion of the tower
D. Very efficient operation - Free flowing granular materials can be best dried in a __________________ drier?
A. Rotary
B. Cylinder
C. Drum
D. Freeze - Rotary dryers cannot handle _______________ materials ?
A. Free flowing
B. Dry
C. Sticky
D. Granular - Heat sensitive materials with very high latent heat of vaporisation may be economically separated using__________________?
A. Liquid extraction
B. Distillation
C. Evaporation
D. Absorption - _______________ equation applies to diffusivities in liquids?
A. Gilliland
B. Hirschfelder
C. Wilke and Chang
D. None of these
