Q. A fuel cell, in order to produce electricity, burns ___________

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Q. Fuel cells are ___________

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Q. Greenhouse effect is not caused by?

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Q. In a four stroke cycle petrol engine, the inlet valve ___________

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Q. Which of the following does not relate to a compression ignition engine?

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Q. The theoretically correct mixture of air and petrol is?

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Q. The injection pressure in a diesel engine is about ___________

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Q. The pressure at the end of compression, in diesel engines, is approximately ___________

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Q. The function of a distributor in a coil ignition system of I.C. engines is ___________

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Q. Brayton cycle corresponds to ___________

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Q. Intercooling is done in ___________

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Q. A Gas Turbine is also known as?

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Q. What is the harm from the depletion of Earth’s ozone layer?

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Q. Acid rain is formed due to contribution from the following pair of gases?

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Q. Which of the following is a prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone?

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Q. Which is the most serious environmental effect posed by hazardous wastes?

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Q. The concentration of which gas is highest in our environment?

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Q. Which of the following is not as a consequence of global warming?

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Q. Which of the following is not a primary contributor to the greenhouse effect?

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Q. The increase in the concentration of CO₂ in our environment in last fifty years; since 1960 is about _________

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