Which of the following comes in the category of primary crusher for hard and tough stone ?
A. Jaw crusher
B. Cone crusher
C. Gyratory crusher
D. None of these
A. Jaw crusher
B. Cone crusher
C. Gyratory crusher
D. None of these
A. Square inch
B. Linear inch
C. Square foot
D. Linear foot
Mesh indicates the number of holes per_________________? Read More »
Mechanical Operations A. Belt conveyor
B. Apron conveyor
C. Flight conveyor
D. Chain conveyor
A. Plate & frame
B. Shell & leaf
C. Sand
D. Rotary vacuum
A. 3.6 W.D.V.ρ
B. 3.6 W.D.V
C. 3.6 W.V.ρ
D. 3.6 D.V.ρ
A. Increase the porosity
B. Increase the compressibility co-efficient
C. Decrease the porosity
D. Decrease the compressibility co-efficient
A. Packed wet
B. Hollow wet
C. Venturi
D. Co-current
Sulphuric acid mist is arrested by using a ____________ scrubber? Read More »
Mechanical Operations A. Coke breeze
B. High V.M. bituminous coal
C. Sand
D. None of these
Which of the following must be stored in silos and not in open yard ? Read More »
Mechanical Operations A. Iron ores
B. Sulphide ores
C. Quartzite
D. None of these
Froth floatation is the most suitable for treating ____________________? Read More »
Mechanical Operations A. mixer-extruder
B. Banbury internal mixer
C. Muller mixer
D. Pug mill
Mixer used for rubber compounding is__________________? Read More »
Mechanical Operations