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प्रश्न
What measures would you take to conserve electricity in your house?
उत्तर
We would take following measures to conserve electricity in our house:
- Switch off the fans and lights when not in use.
- Replace bulbs and tubelights with LED bulbs.
- Run air conditioners at ambient temperature for limited periods of time.
- Switch off the computer and television screens when not in use.
- Install solar inverter and solar water heater.
APPEARS IN
संबंधित प्रश्न
Name the petroleum product used for surfacing of roads.
Process of separation of different constituents from petroleum is called ______.
Which fossil fuel is conserved when we save on electricity?
Choose one term from the following which include all others :
coal, natural gas, fossil fuels, petroleum
Name a clean gaseous fuel other than LPG and natural gas.
A man bought a device X which could cook pulses, vegetables and rice without using any fuel like wood, coal, kerosene or LPG, etc. This device did not work at night. It also took a lot of time for cooking.
(a) Name the device X.
(b) What is the source of energy which cooks food in this device?
(c) What is the name of the process which traps energy in this device?
(d) State one advantage (other than saving on fuel) or using such a device for cooking food.
While discussing about coal and petroleum a teacher told his students about PCRA's (Petroleum Conservation Research Association) guidelines to save the fossil fuels while driving vehicles. Deepa was going to her school with her mother who was driving car. At the traffic signal, when the light was red, Deepa suggested her mother to switch of the engine.
After reading the above passage, answer the following questions :
(a) Fossil fuels are natural resources, then why do we need to conserve them?
(b) List any two ways of saving the fossil fuels.
(c) State two values exhibited to Deepa.
What are fossil fuels?
Which of the following is not a constituent of petroleum?
Fill in the blanks in the following sentence.
Petroleum, ______ and ______ are fossil fuels.
