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MCQs

Total Questions : 5013 | Page 2 of 502 pages
Question 11. Pick the odd man out.
  1.    Austempering
  2.    Martempering
  3.    Cyniding
  4.    Parkerizing
 Discuss Question
Answer: Option D. -> Parkerizing
Question 12. Piezoelectric is a material
  1.    Whose properties is midway between the constituent materials
  2.    Which gets polarised, when stressed
  3.    In which magnetising force reduces when current flowing through it is in-cresed
  4.    Which changes dimensions due to applied field
 Discuss Question
Answer: Option B. -> Which gets polarised, when stressed
Question 13. Pig iron is
  1.    Made from cast iron
  2.    Made from wrought iron
  3.    The one, which comes out of the blast furnace
  4.    Free from impurities
 Discuss Question
Answer: Option C. -> The one, which comes out of the blast furnace
Question 14. An approximately __________ process exemplifies the flow of a gas through a very long pipe of uniform cross-section.
  1.    Adiabatic
  2.    Isothermal
  3.    Isentropic
  4.    Isochoric
 Discuss Question
Answer: Option B. -> Isothermal
Question 15. Pig iron is a product of
  1.    Electric arc furnace
  2.    Cupola
  3.    Blast furnace
  4.    Open hearth furnace
 Discuss Question
Answer: Option C. -> Blast furnace
Question 16. Thermodynamic cycle involved in the working of a thermal power plant is the __________ cycle.
  1.    Joule
  2.    Carnot
  3.    Rankine
  4.    Brayton
 Discuss Question
Answer: Option C. -> Rankine
Question 17. Plasma is
  1.    A high temperature neutral gas
  2.    Nothing but ionised gas
  3.    A source of steady and highest controllable pressure
  4.    Formed at very low temperature
 Discuss Question
Answer: Option B. -> Nothing but ionised gas
Question 18. An orthotropic material is a special class of anisotropic material, which is described by their properties in three perpendicular directions. An example of orthotropic material is
  1.    Stainless steel
  2.    Cast iron
  3.    Wood
  4.    Teflon
 Discuss Question
Answer: Option C. -> Wood
Question 19. The minimum carbon content in steel should be __________ percent for it to respond to a hardening treatment.
  1.    0.2
  2.    0.4
  3.    0.6
  4.    0.8
 Discuss Question
Answer: Option A. -> 0.2
Question 20. The joint for soldering is supported by binding wire made of
  1.    Mild steel
  2.    Copper
  3.    Soft iron
  4.    Stainless steel
 Discuss Question
Answer: Option C. -> Soft iron

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