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MCQs

Total Questions : 43 | Page 2 of 5 pages
Question 11. The tendency of a ductile material to act as brittle is known as __________
  1.    Compaction
  2.    Brazing
  3.    Tempering
  4.    Notch sensitivity
 Discuss Question
Answer: Option D. -> Notch sensitivity
Answer: (d).Notch sensitivity
Question 12. The specified fixed in the vise signifies a ________ form.
  1.    Cantilever
  2.    Fixed beam
  3.    Simply supported beam
  4.    Overhanging beam
 Discuss Question
Answer: Option A. -> Cantilever
Answer: (a).Cantilever
Question 13. What is the size of the specimen used Charpy test?
  1.    75*10*10
  2.    75*5*5
  3.    55*10*10
  4.    55*5*5
 Discuss Question
Answer: Option C. -> 55*10*10
Answer: (c).55*10*10
Question 14. What is the V-notch angle found on an impact testing machine?
  1.    30 degrees
  2.    45 degrees
  3.    60 degrees
  4.    90 degrees
 Discuss Question
Answer: Option B. -> 45 degrees
Answer: (b).45 degrees
Question 15. What is the depth of notch seen in impact testing methods?
  1.    2 mm
  2.    5 mm
  3.    9 mm
  4.    12 mm
 Discuss Question
Answer: Option A. -> 2 mm
Answer: (a).2 mm
Question 16. Which of the following is not applicable to fatigue fracture?
  1.    Loss of strength
  2.    Loss of ductility
  3.    Loss of electrical conductance
  4.    Uncertainty in strength and service life
 Discuss Question
Answer: Option C. -> Loss of electrical conductance
Answer: (c).Loss of electrical conductance
Question 17. How can the mean stress of fatigue be evaluated?
  1.    Pascal’s equation
  2.    Soderberg equation
  3.    Heisenberg’s equation
  4.    Goodman relation
 Discuss Question
Answer: Option D. -> Goodman relation
Answer: (d).Goodman relation
Question 18. The fatigue fracture occurs __________
  1.    Below yield stress
  2.    Below tensile stress
  3.    At stress-strain point
  4.    Above tensile stress
 Discuss Question
Answer: Option B. -> Below tensile stress
Answer: (b).Below tensile stress
Question 19. The stress below which the material does not fail is called _________
  1.    Fatigue stress
  2.    Endurance limit
  3.    Fatigue life
  4.    Total stress
 Discuss Question
Answer: Option B. -> Endurance limit
Answer: (b).Endurance limit
Question 20. Fatigue of materials is characterized by ________ curve.
  1.    Hermite
  2.    Bezier
  3.    Wohner
  4.    S-T
 Discuss Question
Answer: Option C. -> Wohner
Answer: (c).Wohner

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