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MCQs

Total Questions : 439 | Page 7 of 44 pages
Question 61. Biofuels are obtained from
  1.    Vegetable oil or fermented products of crops
  2.    Biomass
  3.    From Renewable energy
  4.    Plant waste
 Discuss Question
Answer: Option A. -> Vegetable oil or fermented products of crops
Answer: (a).Vegetable oil or fermented products of crops
Question 62. Vegetable oil is used in
  1.    Patrol Engines
  2.    Diesel Engines
  3.    Machines
  4.    Industries
 Discuss Question
Answer: Option B. -> Diesel Engines
Answer: (b).Diesel Engines
Question 63. Using fuel wood, crop wastes and animal dung as a fuel is known as
  1.    Biomass Energy
  2.    solar energy
  3.    Wind energy
  4.    Hydro-Energy
 Discuss Question
Answer: Option A. -> Biomass Energy
Answer: (a).Biomass Energy
Question 64. Which country has more interest for biofuel?
  1.    Pakistan
  2.    South Africa
  3.    Brazil
  4.    USA
 Discuss Question
Answer: Option C. -> Brazil
Answer: (c).Brazil
Question 65. The fermented or distilled product of crops are used in
  1.    Diesel Engines
  2.    Petrol Engines
  3.    Industries
  4.    Machines
 Discuss Question
Answer: Option B. -> Petrol Engines
Answer: (b).Petrol Engines
Question 66. The big hope for future energy is
  1.    Hydrogen
  2.    Silicon
  3.    Coal
  4.    Geothermal Energy
 Discuss Question
Answer: Option A. -> Hydrogen
Answer: (a).Hydrogen
Question 67. In Europe's supermarkets, heat given out from the freezers and frighes are fed into the offices for
  1.    Cooling
  2.    Heating
  3.    Condensing
  4.    reuse
 Discuss Question
Answer: Option B. -> Heating
Answer: (b).Heating
Question 68. Which type of mining cause environmental pollution
  1.    Deep mining
  2.    Open caste mining
  3.    Opencast and deep mining
  4.    Digging
 Discuss Question
Answer: Option C. -> Opencast and deep mining
Answer: (c).Opencast and deep mining
Question 69. Wind turbines produce
  1.    Air pollution
  2.    Water pollution
  3.    Nuclear Pollution
  4.    Noise Pollution
 Discuss Question
Answer: Option D. -> Noise Pollution
Answer: (d).Noise Pollution
Question 70. The water is neither consumed nor contaminated to produce
  1.    Hydro electric power
  2.    Wave Energy
  3.    Solar energy
  4.    Nuclear Energy
 Discuss Question
Answer: Option A. -> Hydro electric power
Answer: (a).Hydro electric power

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