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MCQs

Total Questions : 180 | Page 18 of 18 pages
Question 171. ____________ boards are manufactured from sugarcane waste obtained from bagasse.
  1.    Eco board
  2.    Straw board
  3.    Lamin board
  4.    Particle board
 Discuss Question
Answer: Option A. -> Eco board
Answer: (a).Eco board
Question 172. What is the minimum percentage of reinforcement provided in mild steel?
  1.    0.12 % of gross area
  2.    0.15 % of gross area
  3.    0.18 % of gross area
  4.    0.2 % of gross area
 Discuss Question
Answer: Option B. -> 0.15 % of gross area
Answer: (b).0.15 % of gross area
Question 173. Plastic is a ____________ substance.
  1.    Eco friendly
  2.    Inorganic
  3.    Organic
  4.    Natural
 Discuss Question
Answer: Option C. -> Organic
Answer: (c).Organic
Question 174. ________ is an example of thermoplastic.
  1.    Shellac
  2.    Bakelite
  3.    Phenol formaldehyde
  4.    Urea formaldehyde
 Discuss Question
Answer: Option A. -> Shellac
Answer: (a).Shellac
Question 175. Plastic possess tensile strength of _______________
  1.    4.2 tonnes/cm²
  2.    5.6 tonnes/cm²
  3.    3.4 tonnes/cm²
  4.    4.8 tonnes/cm²
 Discuss Question
Answer: Option B. -> 5.6 tonnes/cm²
Answer: (b).5.6 tonnes/cm²
Question 176. ______ is mainly responsible for ozone depletion in the stratosphere.
  1.    CFC
  2.    MNC
  3.    ESC
  4.    FSC
 Discuss Question
Answer: Option A. -> CFC
Answer: (a).CFC
Question 177. Geothermal Energy is _________
  1.    Renewable energy resource
  2.    Natural resource
  3.    Sustainable resource
  4.    Exhaustible resource
 Discuss Question
Answer: Option A. -> Renewable energy resource
Answer: (a).Renewable energy resource
Question 178. Fossil fuels are example for ________
  1.    Exhaustible resources
  2.    Renewable resources
  3.    Non renewable resources
  4.    Inexhaustible resources
 Discuss Question
Answer: Option B. -> Renewable resources
Answer: (b).Renewable resources
Question 179. The study of ecosystems is known as _________
  1.    Echography
  2.    Bibliograph
  3.    Ecology
  4.    Biology
 Discuss Question
Answer: Option C. -> Ecology
Answer: (c).Ecology
Question 180. Nuclear energy is __________
  1.    Renewable energy resource
  2.    Non renewable energy resource
  3.    Exhaustible resource
  4.    Inexhaustible resource
 Discuss Question
Answer: Option B. -> Non renewable energy resource
Answer: (b).Non renewable energy resource

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