A. Elasticity
B. Hardness
C. Toughness
D. Size
Related Mcqs:
- Angle of nip of the crushing rolls does not depend upon the_______________?
A. Diameter of the rolls
B. Speed of the rolls
C. Product size
D. Feed size - Filtration rate does not depend upon the________________?
A. Pressure drop & area of filtering surface
B. Resistance of the cake & the septum
C. Properties of the cake & the filtrate
D. None of these - The constants (Kb, Kr and Kk) used in the laws of crushing (i.e., Bond’s law, Rittinger’s law and Kick’s law) depend upon the_________________?
A. Feed material
B. Type of crushing machine
C. Both A. & B.
D. Neither A. nor B. - Width and speed of a conveyor belt depends upon the ______________ of the material?
A. Lump size
B. Bulk density
C. Both A. & B.
D. Neither A. nor B. - Rittinger’s number designates the new surface created per unit mechanical energy absorbed by the material being crushed. Larger value of Rittinger’s number of a material indicates its________________?
A. Easier grindability
B. Poor grindability
C. High power consumption in grinding
D. None of these - Filtration capacity of a rotary drum vacuum filter depends upon the_______________?
A. Cake thickness
B. Characteristics of the feed slurry
C. Both A. & B.
D. Neither A. nor B. - The capacity of a pneumatic conveying system depends upon the ______________________?
A. Bulk density of materials
B. Pressure of the conveying air
C. Diameter of the conveying line
D. All A., B. and C. - The capacity of a belt conveyor depends upon two factors. If one is the cross-section of the load, the other is the _____________ of the belt?
A. Speed
B. Thickness
C. Length
D. None of these - Pick out the material having minimum Rittinger’s number?
A. Calcite
B. Pyrite
C. Quartz
D. Galena - Mechanical conveyors which push the material along an endless trough or tube are called scrappers. Which of the following conveying equipments comes under the category of „scrappers‟ ?
A. Bucket conveyor
B. Flight conveyor
C. Screw conveyor
D. Both B. and C.
