A. Talc
B. Coal
C. Iron core
D. Wheat
Related Mcqs:
- For grinding of cereals, grains, spices, pigments, saw dust, cork etc., the most extensively used size reduction equipment is a__________________?
A. Buhrstone mill
B. Ball mill
C. Crushing rolls
D. Hammer mill - Arrange the following size reduction equipment in the decreasing order of the average particle size produced by each of them ?
A. Jaw crusher, Ball mill, Fluid energy mill
B. Ball mill, Jaw crusher, Fluid energy mill
C. Fluid energy mill, Jaw crusher, Ball mill
D. Fluid energy mill, Ball mill, Jaw crusher - Maximum size reduction in a ball mill is done by the, ______________ action?
A. Attrition
B. Compression
C. Impact
D. Cutting - Size reduction of the ______________ can be suitably done by ball mills, crushing rolls and rod mills?
A. Metalliferous ores
B. Non-metallic ores
C. Basic slags
D. Asbestos & mica - 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 - The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an______________?
A. Bag filter
B. Electrostatic precipitator
C. Cyclone separator
D. Wet scrubber - The value of work index does not change materially from one equipment to another. If the value of work index determined for close circuit grinding is Wi, then the same for open circuit grinding will be_________________?
A. 0.5 Wi
B. Wi
C. 1.34 Wi
D. 3.34 Wi - To get a fine talc powder from its granules, the equipment used is____________________?
A. Roller crusher
B. Ball mill
C. Jaw crusher
D. Gyratory crusher - For sizing of fine materials, the most suitable equipment is a____________________?
A. Trommel
B. Grizzly
C. Shaking screen
D. Vibrating screen - For the transportation of ultrafine particles, the equipment used is a ____________ conveyor?
A. Belt
B. Pneumatic
C. Screw
D. None of these