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MCQs

Total Questions : 68 | Page 2 of 7 pages
Question 11. A series connection between a Hookean spring and a Newtonian dashpot results is ________ model.
  1.    Maxwell
  2.    Kelvin-Voigt
  3.    Standard linear solid model
  4.    Prony series
 Discuss Question
Answer: Option A. -> Maxwell
Answer: (a).Maxwell
Question 12. Cryogenics deal with temperatures around _________
  1.    -50°C
  2.    -90°C
  3.    -180°C
  4.    -250°C
 Discuss Question
Answer: Option C. -> -180°C
Answer: (c).-180°C
Question 13. What is the appearance of liquid nitrogen?
  1.    Yellow
  2.    Colorless
  3.    Bluish-gray
  4.    Black
 Discuss Question
Answer: Option B. -> Colorless
Answer: (b).Colorless
Question 14. Liquid oxygen is produced by ____________ method.
  1.    Batch distillation
  2.    Steam distillation
  3.    Extractive distillation
  4.    Fractional distillation
 Discuss Question
Answer: Option D. -> Fractional distillation
Answer: (d).Fractional distillation
Question 15. What is the boiling point of nitrogen?
  1.    20.27
  2.    27.09
  3.    77.36
  4.    111.7
 Discuss Question
Answer: Option C. -> 77.36
Answer: (c).77.36
Question 16. Which of the following is a chipless machining method?
  1.    Broaching
  2.    Reaming
  3.    Abrasive machining
  4.    Electrical discharge
 Discuss Question
Answer: Option D. -> Electrical discharge
Answer: (d).Electrical discharge
Question 17. Wrinkling is caused due to _______
  1.    Compressive stress
  2.    Tensile stress
  3.    Improper clearance
  4.    Excessive deformation
 Discuss Question
Answer: Option A. -> Compressive stress
Answer: (a).Compressive stress
Question 18. Seed crystals are formed due to _________ of melt.
  1.    Heating
  2.    Cooling
  3.    Overheating
  4.    Undercooling
 Discuss Question
Answer: Option D. -> Undercooling
Answer: (d).Undercooling
Question 19. Crystal growth occurs in __________ manner.
  1.    Dendritic
  2.    Pyramidal
  3.    Granular
  4.    Linear
 Discuss Question
Answer: Option A. -> Dendritic
Answer: (a).Dendritic
Question 20. Which of the following is not a stage of volume shrinkage?
  1.    Liquid contraction
  2.    Solid contraction
  3.    Gaseous contraction
  4.    Solidification contraction
 Discuss Question
Answer: Option C. -> Gaseous contraction
Answer: (c).Gaseous contraction

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