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Sources of Energy - 01
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Q.1. An example of a renewable source of energy is :
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biogas
petrol
kerosene
natural gas
Q.2. A non-renewable source of energy is :
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hydrogen gas
wood
alcohol
natural gas
Other:
Q.3. Which of the following is not a renewable source of energy ?
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fuel wood
flowing water
wind
fossil fuels
Q.4. A good fuel is one which possesses :
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high calorific value and high ignition temperature
high calorific value and moderate ignition temperature
high calorific value and low ignition temperature
low calorific value and moderate ignition tempeature
Q.5. The fuel having a calorific value of 55 kJ/g is likely to be :
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hydrogen gas
methane gas
natural gas
biogas
Q.6. A newly planted sapling usually grows and matures into a tree in more than :
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15 years
25 years
45 years
50 years
Q.7. Which of the following fuels has the highest calorific value ?
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methane gas
biogas
natural gas
hydrogen gas
Q.8. The fuel having the lowest calorific value is :
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wood
coal
kerosene
charcoal
Q.9. There are four fuels which all contain only carbon and hydrogen. The fuel having highest calorific value will be one which has :
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more of carbon but less of hydrogen
equal proportions of carbon and hydrogen
less of carbon as well as less of hydrogen
less of carbon but more of hydrogen
Q.10. One of the following is not a characteristic of a good fuel. This is :
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smooth burning
high ignition temperature
high calorific value
no emission of smoke
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