Nitrogen gas (N₂) is not considered a greenhouse gas as it does not absorb infrared radiation significantly. Greenhouse gases like N₂O, O₃, and CO₂ do absorb and emit infrared radiation, contributing to the greenhouse effect.
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27 Mins English English100 Questions100 Marks120 Mins English English75 Questions300 Marks90 Mins EnglishIn a four-stroke engine, the inlet valve opens during
For higher rate of methane generation in a biogas plant, the ideal temperature is
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