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Q.

Which of these steps would you suggest to reduce energy consumption?


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a

Switch off electrical devices such as TV, lights and fans when they are not needed.

b

Use energy-efficient electrical appliances and solar water heaters.

c

Use pressure cookers and solar cookers for cooking food.

d

All of the above 

answer is D.

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Detailed Solution

To reduce energy consumption:
  • TV, lights and fans should be switched off when not in use.
  • Use energy-efficient electrical appliances.
  • Use of pressure cookers and solar cookers.
  • Use solar water heaters.
  • Encourage the use of biogas as fuel in rural areas.

  • Coal, crude oil and their products, and electricity include the total energy consumption; it excludes the consumption of fuel of low calorific value, bio-energy and solar energy.
       
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