Langmuir equation is associated with________________________?
A. Leaching
B. Adsorption
C. Steam distillation
D. Multi-component absorption
Month: February 2019
Radioactive nuclear waste is treated in____________________?
Radioactive nuclear waste is treated in____________________?
A. Mixer-settler extractor
B. Rotating-disc contactor
C. Pulsed column extractor
D. Bollman extractor
In case of an absorber, the operating _______________?
In case of an absorber, the operating _______________?
A. Line always lies above the equilibrium curve
B. Line always lies below the equilibrium curve
C. Line can be either above or below the equilibrium curve
D. Velocity is more than the loading velocity
For continuous drying of granular or crystalline material, the dryer used is the _______________ dryer?
For continuous drying of granular or crystalline material, the dryer used is the _______________ dryer?
A. Tunnel
B. Tray
C. Rotary
D. None of these
If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is____________________
If mass diffusivity in a mixture is equal to the thermal diffusivity, then the Lewis number is____________________
A. 0
B. 1
C. 1
_____________ is used as an ‘entrainer’ for the separation of acetic acid-water mixture by distillation?
_____________ is used as an ‘entrainer’ for the separation of acetic acid-water mixture by distillation?
A. Furfural
B. Benzol
C. Butyl acetate
D. Hexane
Steady state equimolal counter diffusion occurs in case of ____________________?
Steady state equimolal counter diffusion occurs in case of ____________________?
A. Leaching
B. Absorption
C. Binary phase distillation
D. Liquid-liquid extraction
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripping and rectifying sections coincide with the diagonal at ________________ reflux ?
In McCabe-Thiele method of theoretical plate calculation for a distillation column, the operating lines of stripg and rectifying sections coincide with the diagonal at ________________ reflux ?
A. Total
B. Minimum
C. Operating
D. Maximum permissible
Equilibrium-moisture curves of different solids ____________________ ?
Equilibrium-moisture curves of different solids ____________________ ?
A. Are different
B. Are same
C. Depend on the humidity of the gas
D. None of these
The vapour pressure exerted by the moisture contained in a wet solid depends upon the____________________?
The vapour pressure exerted by the moisture contained in a wet solid depends upon the____________________?
A. Nature of the moisture
B. Temperature
C. Nature of the solid
D. All A., B. and C.