A. Belt conveyor
B. Bucket elevator
C. Screw conveyor
D. Apron conveyor
Related Mcqs:
- 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 - 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. - 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 - 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 - _____________ conveyors are also called scrapers?
A. Apron
B. Screw
C. Helical flight
D. Both B. & C. - Which of the following is not categorised as a “mechanical operation”?
A. Agitation
B. Filtration
C. Size enlargement
D. Humidification - 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 - Rittinger number which designates the new surface produced per unit of mechanical energy absorbed by the material being crushed, depends on the ______________________?
A. State or manner of application of the crushing force
B. Ultimate strength of the material
C. Elastic constant of the material
D. All A., B. and C. - 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
