A. cm-1
B. gm/cm-1
C. cm/gm-1
D. gm-1
The unit of filter medium resistance is________________? Read More »
Mechanical Operations A. Employs smaller balls
B. Gives finer size reduction but consumes more power
C. Has larger length/diameter ratio (>2 as compared to 1 for ball mill)
D. All A., B. and C.
A tube mill as compared to a ball mill__________________? Read More »
Mechanical Operations A. Wet grinding achieves a finer product size than dry grinding
B. Its capacity decreases with increasing fineness of the products
C. Grinding cost and power requirement increases with increasing fineness of the products
D. All A., B. and C
In case of grinding in a ball mill__________________? Read More »
Mechanical Operations A. Over cake
B. Over medium
C. Overall
D. None of these
A. Removal of fines from liquid
B. Liquids having high vapour pressure
C. Liquids of very high viscosity
D. None of these
Vacuum filter is most suitable for the_______________? Read More »
Mechanical Operations A. Sphere
B. Cube
C. Cylinder (L/D = 1)
D. Raschig rings
A. Assumption that all particles in a single fraction are equal in size
B. Fact that screening is more effective
C. Assumption that all particles in a single fraction are equal in size, is not needed
D. None of these
A. Gravity separation
B. Wettability
C. Particle shape
D. None of these
A. Hanger
B. Check plates
C. Toggles
D. Pitman
Which of the following is not a part of the Blake jaw crusher ? Read More »
Mechanical Operations A. Gives less wear on chamber walls
B. Requires more energy
C. Increases capacity
D. Complicates handling of the product
Wet grinding in a revolving mill ______________ as compared to dry grinding ? Read More »
Mechanical Operations