Molten ammonium nitrate is mixed with ground limestone in fertilizer plant in a__________________?
A. Pug mill
B. Mixer-extruder
C. Banbury mixer
D. Muller mixer
Month: February 2019
Fluid energy mill comes in the category of________________?
Fluid energy mill comes in the category of________________?
A. Grinder
B. Crusher
C. Cutter
D. Ultrafine grinder
Which of the following is used for primary crushing of very hard lumpy materials ?
Which of the following is used for primary crushing of very hard lumpy materials ?
A. Toothed roll crusher
B. Gyratory crusher
C. Ball mill
D. Tube mill
Dry powdery solid materials are transported by a ______________ conveyor?
Dry powdery solid materials are transported by a ______________ conveyor?
A. Belt
B. Bucket
C. Screw
D. None of these
Which is the most suitable conveyor for transportation of sticky material ?
Which is the most suitable conveyor for transportation of sticky material ?
A. Apron conveyor
B. Belt conveyor
C. Screw conveyor
D. Pneumatic conveyor
In classification, particles are said to be equal settling, if they have the same terminal velocities in the_______________?
In classification, particles are said to be equal settling, if they have the same terminal velocities in the_______________?
A. Different fluids
B. Same fluid
C. Same field of force
D. Both B. and C.
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a _______________ surface?
Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a _______________ surface?
A. Plane
B. Curved
C. Ribbed
D. Either A. or B.
Which of the following clay mixing devices is vacuum operated for deairation of clay ?
Which of the following clay mixing devices is vacuum operated for deairation of clay ?
A. Banbury mixer
B. Pug mill
C. Muller-mixer
D. None of these
With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge________________?
With increase in the pressure drop across the cake, the specific cake resistance for the compressible sludge________________?
A. Increases
B. Decreases
C. Remains constant
D. Increases linearly
There is practically no alternative/competitor to _________________ in the beneficiation treatment of sulphide ores?
There is practically no alternative/competitor to _________________ in the beneficiation treatment of sulphide ores?
A. Classification
B. Tabling
C. Jigging
D. Froth floatation