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    Question

    What is the full form of CNG?

    A.

    Combustible Natural Gas

    B.

    Compressed Natural Gas

    C.

    Chemical Natural Gas

    D.

    Carbon Neutral Gas

    Correct option is B


    The correct answer is (b) Compressed Natural Gas
    Explanation:
    · CNG = Compressed Natural Gas, produced by compressing natural gas (mainly methane).
    · CNG is widely used as an automotive fuel because it is cleaner, cheaper, and safer compared to petrol and diesel.
    · It emits lower CO₂, NOx, SO₂, and almost zero particulate matter, making it environmentally friendly.
    Information Booster:
    · CNG is stored in vehicles at 200–250 bar pressure.
    · CNG has a high octane number, improving engine efficiency.

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