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
Mechanical Operations
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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 -
Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?
Gummy & sticky materials like molasses, sugar etc. are best transported/handled by using a ______________ conveyor?A. Drag
B. Ribbon
C. Screw
D. Slat