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MCQs

Total Questions : 5013 | Page 60 of 502 pages
Question 591. Which of the following is an ore dressing operation?
  1.    Classification
  2.    Smelting
  3.    Roasting
  4.    None of these
 Discuss Question
Answer: Option A. -> Classification
Question 592. Maximum consumption of limestone is in the __________ industry.
  1.    Iron and steel
  2.    Cement
  3.    Glass
  4.    Fertiliser
 Discuss Question
Answer: Option D. -> Fertiliser
Question 593. Stoneware pipes used for sewers for carrying sewage normally is joined by __________ joint.
  1.    Spigot and socket
  2.    Flanged iron
  3.    Collar
  4.    Expansion
 Discuss Question
Answer: Option A. -> Spigot and socket
Question 594. Which of the following is not a cupro-nick-el alloy?
  1.    German silver
  2.    Monel metal
  3.    Muntz metal
  4.    None of these
 Discuss Question
Answer: Option C. -> Muntz metal
Question 595. Which of the following is not a dielectric material?
  1.    Cotton, silk and paper
  2.    Asbestos, glass, porcelain and mica
  3.    Rubber and polymeric resins
  4.    All of the above
 Discuss Question
Answer: Option C. -> Rubber and polymeric resins
Question 596. Hot dipping process is used for coating a low melting point metal (e.g. Pb, Sn, Zn) on iron, steel & copper having relatively higher melting points. Which of the following is not a hot dipping process?
  1.    Galvanising
  2.    Tinning
  3.    Sheardising
  4.    None of these
 Discuss Question
Answer: Option C. -> Sheardising
Question 597. Circular cross section machine parts which are symmetrical about the axis of rotation are made by hot
  1.    Piercing
  2.    Spinning
  3.    Drawing
  4.    Extrusion
 Discuss Question
Answer: Option B. -> Spinning
Question 598. It is possible to form martensite
  1.    Sometimes by cold working
  2.    Sometimes without nucleation
  3.    Sometimes by gas quenching
  4.    Only in iron based alloys
 Discuss Question
Answer: Option D. -> Only in iron based alloys
Question 599. Which of the following is the most elastic material?
  1.    Plastic
  2.    Glass
  3.    Steel
  4.    Rubber
 Discuss Question
Answer: Option C. -> Steel
Question 600. What is the pH of distilled water?
  1.    0
  2.    1
  3.    7
  4.    14
 Discuss Question
Answer: Option C. -> 7

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