A. Bucket elevator
B. Skip hoist
C. Screw conveyor
D. None of these
Related Mcqs:
- Traces of liquid tar fog present in coke oven gas is separated using____________________?
A. Electrostatic precipitator
B. Cyclone separator
C. Strainer
D. None of these - The most efficient equipment for the removal of sub-micronic dust particles from blast furnace gas is the__________________?
A. Venturi atomiser
B. Gravity settling chamber
C. Electro-static precipitator
D. Cyclone separator - What is the critical rotation speed in revolutions per second, for a ball mill of 1.2 m diameter charged with 70 mm dia balls ?
A. 0.5
B. 1.0
C. 2.76
D. 0.66 - Which of the following oxides is not present in hematite iron ore ?
A. Titanium oxide
B. Calcium oxide
C. Cobalt oxide
D. Manganese oxide - Pebble mills are tumbling mills widely used for grinding in the manufacture of paints & pigments and cosmetic industries, where iron contamination in the product is highly objectionable. Pebbles used in pebble mill are made of__________________?
A. Bronze
B. Stainless steel
C. Flint or porcelain
D. Concrete - For benefication of iron ore, the most commonly used method is______________?
A. Flocculation
B. Froth floatation
C. Jigging & tabling
D. None of these - Which of the following is used for primary crushing of very hard lumpy materials ?
A. Toothed roll crusher
B. Gyratory crusher
C. Ball mill
D. Tube mill - Soft & non-abrasive materials can be made into fines by________________________?
A. Attrition
B. Compression
C. Cutting
D. None of these - For sizing of fine materials, the most suitable equipment is a____________________?
A. Trommel
B. Grizzly
C. Shaking screen
D. Vibrating screen - 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
