A. Bucket conveyor
B. Flight conveyor
C. Screw conveyor
D. Both B. and C.
Related Mcqs:
- Which of the following mechanical conveyors does not come under the division „carriers‟ ?
A. Belt conveyor
B. Bucket elevator
C. Screw conveyor
D. Apron conveyor - Which of the following mechanical conveyors does not come under the division „scrapers‟ ?
A. Ribbon conveyor
B. Flight conveyor
C. Bucket elevators
D. Drag conveyor - 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. - 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 - _____________ conveyors are also called scrapers?
A. Apron
B. Screw
C. Helical flight
D. Both B. & C. - Which of the following conveyors cannot be recommended for transportation of abrasive materials ?
A. Belt conveyor
B. Apron conveyor
C. Flight conveyor
D. Chain conveyor - 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 - Screw conveyors are________________?
A. Run at very high rpm
B. Suitable for sticky materials
C. Suitable for highly abrasive materials
D. All A., B. and C. - Apron conveyors are used for ___________________ ?
A. Heavy loads & short runs
B. Small loads & long runs
C. Heavy loads & long runs
D. None of these - Fluid energy mill comes in the category of________________?
A. Grinder
B. Crusher
C. Cutter
D. Ultrafine grinder
