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MCQs

Total Questions : 2215 | Page 22 of 222 pages
Question 211. The maximum slope of a belt conveyor can be
  1.    15°
  2.    30°
  3.    45°
  4.    60°
 Discuss Question
Answer: Option B. -> 30°
Question 212. During agitation of liquids, power consumption during laminar flow is not proportional to the
  1.    Density of the liquid
  2.    Viscosity of the liquid
  3.    Cube of impeller diameters
  4.    Square of rotational speed
 Discuss Question
Answer: Option A. -> Density of the liquid
Question 213. The most suitable equipment for removing the fine dust particle (< 1 micron dia.) from air below its dew point will be a/an
  1.    Bag filter
  2.    Electrostatic precipitator
  3.    Cyclone separator
  4.    Wet scrubber
 Discuss Question
Answer: Option B. -> Electrostatic precipitator
Question 214. Which of the following is a continuous filter?
  1.    Plate and frame filter
  2.    Cartridge filter
  3.    Shell and leaf filter
  4.    None of these
 Discuss Question
Answer: Option D. -> None of these
Question 215. __________ mill is not used for grinding wheat into flour and for milling of cereals & other vegetable products.
  1.    Buhrstone
  2.    Roller
  3.    Attrition
  4.    Pebble
 Discuss Question
Answer: Option D. -> Pebble
Question 216. In bag filters, filter fabrics are never made of
  1.    Metallic wire woven mesh
  2.    Polyester fibres
  3.    Cotton fibres
  4.    Nylon fibres
 Discuss Question
Answer: Option A. -> Metallic wire woven mesh
Question 217. In bag filters, filter fabrics are never made of
  1.    Metallic wire woven mesh
  2.    Polyester fibres
  3.    Cotton fibres
  4.    Nylon fibres
 Discuss Question
Answer: Option A. -> Metallic wire woven mesh
Question 218. Introduction of slurry in a plate and frame filter press is done through a plate in each frame. The plate of this filter has a __________ surface.
  1.    Plane
  2.    Curved
  3.    Ribbed
  4.    Either A or B
 Discuss Question
Answer: Option C. -> Ribbed
Question 219. Gelatinous solid (which plug the septum) can be filtered by a __________ filter.
  1.    Sparkler
  2.    Plate and frame
  3.    Vacuum leaf
  4.    Precoat
 Discuss Question
Answer: Option D. -> Precoat
Question 220. For removal of very small amounts of precipitate from large volume of water, the most suitable filter is the __________ filter.
  1.    Plate & frame
  2.    Shell & leaf
  3.    Sand
  4.    Rotary vacuum
 Discuss Question
Answer: Option C. -> Sand

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