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MCQs

Total Questions : 50 | Page 3 of 5 pages
Question 21. What is used as the source of rays for radiography?
  1.    Uranium-235
  2.    Tellurium
  3.    Cobalt-60
  4.    Manganese dioxide
 Discuss Question
Answer: Option C. -> Cobalt-60
Answer: (c).Cobalt-60
Question 22. Which pattern is demonstrated in the following figure?Which Pattern Is Demonstrated In The Following Figure?
  1.    Split pattern
  2.    Skeleton pattern
  3.    Segmental pattern
  4.    Match plate pattern
 Discuss Question
Answer: Option A. -> Split pattern
Answer: (a).Split pattern
Question 23. What kind of allowance is seen in this figure?What Kind Of Allowance Is Seen In This Figure?
  1.    Drafting allowance
  2.    Camber allowance
  3.    Machining allowance
  4.    Shrinkage allowance
 Discuss Question
Answer: Option B. -> Camber allowance
Answer: (b).Camber allowance
Question 24. The x-ray film showing light and dark areas is known as _________
  1.    Quantograph
  2.    Exograph
  3.    Wilbur’s film
  4.    Smith’s film
 Discuss Question
Answer: Option B. -> Exograph
Answer: (b).Exograph
Question 25. Which of the following holds true for gamma-ray radiography as compared to x-ray radiography?
  1.    Better detection of castings of uniform thickness
  2.    Better for detection of small defects
  3.    More rapid method
  4.    Used for thick castings
 Discuss Question
Answer: Option D. -> Used for thick castings
Answer: (d).Used for thick castings
Question 26. How much manganese does ferromanganese contain?
  1.    10-16%
  2.    22-32%
  3.    45-62%
  4.    74-82%
 Discuss Question
Answer: Option D. -> 74-82%
Answer: (d).74-82%
Question 27. _____________ is a flux used in iron smelting.
  1.    Silica
  2.    Caesium
  3.    Dolomite
  4.    Mica
 Discuss Question
Answer: Option C. -> Dolomite
Answer: (c).Dolomite
Question 28. What is the disadvantage of wet analysis?
  1.    Inaccuracy
  2.    Time-consuming
  3.    Not suitable for iron-carbon alloys
  4.    Causes fatigue
 Discuss Question
Answer: Option B. -> Time-consuming
Answer: (b).Time-consuming
Question 29. The smelting zone of the furnace is called as _________
  1.    Tuyere
  2.    Inwall
  3.    Bosh
  4.    Hearth
 Discuss Question
Answer: Option C. -> Bosh
Answer: (c).Bosh
Question 30. Which is the iron ore processed in blast furnaces?
  1.    Hematite
  2.    Magnesia
  3.    Alumina
  4.    Silica
 Discuss Question
Answer: Option A. -> Hematite
Answer: (a).Hematite

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