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MCQs

Total Questions : 61 | Page 2 of 7 pages
Question 11. What is the product obtained when thermosetting resin fiberglass is exposed to heat and pressure?
  1.    Tetrafluoroethylene
  2.    Fiberglass reinforced plastic
  3.    Fiber reinforced fluoroethylene
  4.    Fiber induced carbon
 Discuss Question
Answer: Option B. -> Fiberglass reinforced plastic
Answer: (b).Fiberglass reinforced plastic
Question 12. Which type of glass wool is used in space suits?
  1.    Bonded type
  2.    Low-density wool
  3.    Coarse wool
  4.    Unbonded type
 Discuss Question
Answer: Option B. -> Low-density wool
Answer: (b).Low-density wool
Question 13. How is glass wool formed?
  1.    Hot working
  2.    Direct melting
  3.    Cold working
  4.    Extrusion
 Discuss Question
Answer: Option B. -> Direct melting
Answer: (b).Direct melting
Question 14. What are the applications of the unbounded type of glass wool?
  1.    Space suits
  2.    Sound insulation in airplanes
  3.    Air filters
  4.    House ceiling
 Discuss Question
Answer: Option D. -> House ceiling
Answer: (d).House ceiling
Question 15. Short fibers of glass wool can be used up to _______
  1.    500°C
  2.    600°C
  3.    700°C
  4.    800°C
 Discuss Question
Answer: Option A. -> 500°C
Answer: (a).500°C
Question 16. What is known as expandable polystyrene?
  1.    Glass wool
  2.    Fiberglass
  3.    Thermocole
  4.    Cement
 Discuss Question
Answer: Option C. -> Thermocole
Answer: (c).Thermocole
Question 17. What is the maximum heat insulation of thermocole?
  1.    100°C
  2.    200°C
  3.    500°C
  4.    750°C
 Discuss Question
Answer: Option B. -> 200°C
Answer: (b).200°C
Question 18. What is the primary component of crude oil?
  1.    Sulfur
  2.    Carbon
  3.    Hydrogen
  4.    Nitrogen
 Discuss Question
Answer: Option B. -> Carbon
Answer: (b).Carbon
Question 19. Which of these is not a property of thermocole?
  1.    Heat insulator
  2.    Lightweight
  3.    Receptive to fungus
  4.    Odorless
 Discuss Question
Answer: Option C. -> Receptive to fungus
Answer: (c).Receptive to fungus
Question 20. Which of these is not a standard thickness in which thermocole is available in?
  1.    10 mm
  2.    37.5 mm
  3.    50 mm
  4.    75 mm
 Discuss Question
Answer: Option D. -> 75 mm
Answer: (d).75 mm

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