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MCQs

Total Questions : 52 | Page 2 of 6 pages
Question 11. Which of the following must not be used to prevent fatigue fracture?
  1.    Decarburization
  2.    Nitriding
  3.    Polishing
  4.    Shot peening
 Discuss Question
Answer: Option A. -> Decarburization
Answer: (a).Decarburization
Question 12. Which defect does the following diagram represent?Which Defect Does The Following Diagram Represent?
  1.    Vacancy defect
  2.    Schottky defect
  3.    Frankel defect
  4.    Interstitial defect
 Discuss Question
Answer: Option D. -> Interstitial defect
Answer: (d).Interstitial defect
Question 13. Which defect does the following figure depict?Which Defect Does The Following Figure Depict?
  1.    Vacancy defect
  2.    Schottky defect
  3.    Frankel defect
  4.    Interstitial defect
 Discuss Question
Answer: Option B. -> Schottky defect
Answer: (b).Schottky defect
Question 14. How can the number of defects be determined?How Can The Number Of Defects Be Determined?
  1.    a
  2.    b
  3.    c
  4.    d
 Discuss Question
Answer: Option A. -> a
Answer: (a).a
Question 15. Which of these is a Frankel defect?Which Of These Is A Frankel Defect?
  1.    a
  2.    b
  3.    c
  4.    d
 Discuss Question
Answer: Option A. -> a
Answer: (a).a
Question 16. The potential of metal in nonstandard conditions is given by _________The Potential Of Metal In Nonstandard Conditions Is Given By...
  1.    a
  2.    b
  3.    c
  4.    d
 Discuss Question
Answer: Option A. -> a
Answer: (a).a
Question 17. The maximum stress at the tip of the crack is defined by _________The Maximum Stress At The Tip Of The Crack Is Defined By ___...
  1.    a
  2.    b
  3.    c
  4.    d
 Discuss Question
Answer: Option C. -> c
Answer: (c).c
Question 18. A galvanic cell formed due to residual stresses is known as ________
  1.    Stress cell
  2.    Residual cell
  3.    Residual ion
  4.    Admiralty cell
 Discuss Question
Answer: Option A. -> Stress cell
Answer: (a).Stress cell
Question 19. The phenomenon where the density of metal is exceptionally low due to increasing potential is known as _______
  1.    Polarization
  2.    Ionization
  3.    Passivation
  4.    Canonization
 Discuss Question
Answer: Option C. -> Passivation
Answer: (c).Passivation
Question 20. Molybdenum with hydrogen can be used up to ________
  1.    1000°C
  2.    1500°C
  3.    2000°C
  4.    4000°C
 Discuss Question
Answer: Option B. -> 1500°C
Answer: (b).1500°C

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