Lakshya Education MCQs

Question: For high pressure process equipments/vessels, the connected nozzle should be
Options:
A.Welded
B.Screwed
C.Flanged
D.Brazed
Answer: Option C

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More Questions on This Topic :

Question 1. 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 2. Spherical shaped pressure vessel is considered to be the most ideal, because it can
  1.    Withstand higher pressure for a given metallic shell thickness
  2.    Be fabricated very easily
  3.    Be designed without wind load considerations
  4.    Be supported very easily
Answer: Option A
Question 3. Pick out the wrong statement pertaining to 'Horton sphere' used for the storage of liquid ammonia.
  1.    Diameter of Horton sphere is normally 6 to 25 metres and it is supported by 6 to 12 nos. tubular or rolled section column
  2.    Thickness of spherical shell is half that of the cylinderical vessel under same operating pressure condition. Besides, the ratio of surface area to volume is less for sphere than any other shape ; hen
  3.    Horton sphere is used for the storage of gases and volatile liquid at a moderate pressure of 1 to 10 kg/cm²
  4.    Horton sphere is used for the storage of liquid at sub-zero temperature at very high pressure upto 200 kg/cm²
Answer: Option D
Question 4. 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 5. Length to diameter ratio of most rotary driers is in the range of
  1.    1 to 2
  2.    4 to 10
  3.    10 to 20
  4.    20 to 30
Answer: Option B
Question 6. 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

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