A. Coarse
B. Intermediate
C. Fine
D. Ultrafine
Colloidal mills are used for ______________ grinding? Read More »
Mechanical Operations A. Parabola
B. Straight line
C. Hyperbola
D. Exponential curve
A. Enters the cyclone from the top
B. Is admitted tangentially at high velocity
C. Develops a helical motion inside the chamber
D. Both B. and C.
In the cyclone separator used for separation of dust from dust laden gas, the gas ? Read More »
Mechanical Operations A. Tabling
B. Elutriation
C. Heavy media separation
D. None of these
The study on washability of coal is done by using the _____________ technique? Read More »
Mechanical Operations A. Cartridge filter
B. Rotary drum vacuum filter
C. Pressure filter thickener
D. Plate and frame filter press
______________ is used for producing a thick suspension from a thin slurry? Read More »
Mechanical Operations A. 1
B. 50
C. 100
D. 500
The speed of a rotary drum vacuum filter may be about _____________ rpm? Read More »
Mechanical Operations A. 0.2 to 0.8
B. 5 to 25
C. 50 to 100
D. 100 to 250
Vibrating screens have capacity in the range of ______________ tons/ft2 .mm mesh size? Read More »
Mechanical Operations A. Cage
B. Compartment
C. Pebble
D. All tumbling
_____________ mills are termed as disintegrators? Read More »
Mechanical Operations A. Rittinger’s law
B. Kick’s law
C. Bond’s law
D. None of these
A. Jaw
B. Roll
C. Gyratory
D. None of these
The term ‘angle of nip’ is concerned with the operation of the ____________ crushers? Read More »
Mechanical Operations