which Oscar-nominated British actor had died at age 82 after a short illness on Feb 8, 2019?
A. Idris Elba
B. Albert Finney
C. David Oyelowo
D. John Boyega
Month: February 2019
The dimension of diffusivity is same as that of the__________________?
The dimension of diffusivity is same as that of the__________________?
The dimension of diffusivity is same as that of the
A. Density
B. Molal concentration
C. Kinematic viscosity
D. Velocity head
Diffusion in concentrated solutions differs from that in dilute solutions, because of the change in the _______________ with the concentration of the solution?
Diffusion in concentrated solutions differs from that in dilute solutions, because of the change in the _______________ with the concentration of the solution?
A. Degree of ideality
B. Viscosity
C. Both A & B
D. Neither A nor B
At minimum reflux ratio for a given separation__________________?
At minimum reflux ratio for a given separation__________________?
A. Number of plates is zero
B. Number of plates is infinity
C. Minimum number of the theoretical plates is required
D. Separation is most efficient
In the desorption of highly soluble gas from the liquid, the main resistance will be in the ______________ phase?
In the desorption of highly soluble gas from the liquid, the main resistance will be in the ______________ phase?
A. Gas
B. Liquid
C. Both A. & B.
D. Neither A. nor B.
Which of the following is the most suitable for extraction in a system having very low density difference ?
Which of the following is the most suitable for extraction in a system having very low density difference ?
A. Mixer-settler extractor
B. Centrifugal extractor
C. Pulsed extractor
D. Packed extraction tower
What is the reflux ratio at total reflux ?
What is the reflux ratio at total reflux ?
A. Zero
B. Infinity
C. Unity
D. Data insufficient
In case of gases, the binary diffusivity is proportional to (where, P = pressure) ?
In case of gases, the binary diffusivity is proportional to (where, P = pressure) ?
A. P
B. 1/P
C. 1/√P
D. √P
Air at a particular humidity is heated in a furnace. The new dew point_____________________?
Air at a particular humidity is heated in a furnace. The new dew point_____________________?
A. Decreases
B. Increases
C. Depends on the extent of heating
D. Remain unchanged
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent ______________________?
Sides of equilateral-triangular co-ordinates (on which ternary liquid system is plotted) represent ______________________?
A. A pure component
B. A binary mixture
C. A ternary mixture
D. Partially miscible ternary system