Lakshya Education MCQs

Question: Length to diameter ratio of most rotary driers is in the range of
Options:
A.1 to 2
B.4 to 10
C.10 to 20
D.20 to 30
Answer: Option B

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More Questions on This Topic :

Question 1. Theoretically calculated diameter of the stripping section of the continuous rectification column is __________ that of the enriching section.
  1.    Less than
  2.    More than
  3.    Same as
  4.    Either more or less (depending upon relative volatility)
Answer: Option B
Question 2. For high pressure process equipments/vessels, the connected nozzle should be
  1.    Welded
  2.    Screwed
  3.    Flanged
  4.    Brazed
Answer: Option C
Question 3. For turbine agitator, the impeller diameter is about
  1.    0.3 to 0.5 d
  2.    0.1 to 0.2 d
  3.    0.65 to 0.85 d
  4.    0.95 d
Answer: Option A
Question 4. In case of plain carbon steel, butt welded joints are used for shell plate thickness ≤ __________ cms.
.
  1.    1.2
  2.    0.5
  3.    3.8
  4.    6.8
Answer: Option C
Question 5. The raio, (properller agitator dia/tank dia) is normally taken as
  1.    0.15-030
  2.    0.5-0.65
  3.    0.75-0.85
  4.    0.60-0.90
Answer: Option A
Question 6. In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as
  1.    0.1
  2.    0.8
  3.    0.25
  4.    0.5
Answer: Option B

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