A. Metallic wire woven mesh
B. Polyester fibres
C. Cotton fibres
D. Nylon fibres
In bag filters, filter fabrics are never made of__________________? Read More »
Mechanical Operations A. The new surface created
B. The size reduction ratio
C. The change in volume due to crushing
D. None of these
A. Grizzlies
B. Trommels
C. Shaking screen
D. Vibrating screen
Which of the following screens has the maximum capacity ? Read More »
Mechanical Operations A. π = (A/D2)
B. 2π = (2A/D2)
C. π/6 = (V/D3)
D. AD/V
For spheres, volume shape factor is given by____________________? Read More »
Mechanical Operations A. Increases continuously
B. Decreases gradually
C. Remains constant
D. None of these
The inlet pressure in a constant rate filtration____________________? Read More »
Mechanical Operations A. Size
B. Density
C. Wettability
D. Electrical & magnetic properties
Trommels separate a mixture of particles depending on their_____________________? Read More »
Mechanical Operations A. Classifier
B. Cyclone separator between mill & classifier
C. Both A. & B.
D. Neither A. nor B.
A. Ribbon conveyor
B. Flight conveyor
C. Bucket elevators
D. Drag conveyor
A. Talc
B. Feldspar
C. Corundum
D. Calcite
Which of the following is the softest material ? Read More »
Mechanical Operations A. Increases
B. Decreases
C. Remain constant
D. None of these
All resistances during washing of cake _____________________? Read More »
Mechanical Operations