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    Question

    In which type of engine is the crankcase fully sealed

    and airtight?
    A Four-stroke engine Correct Answer Incorrect Answer
    B Diesel engine Correct Answer Incorrect Answer
    C Two-stroke engine Correct Answer Incorrect Answer
    D External combustion engine Correct Answer Incorrect Answer
    E Hybrid engine Correct Answer Incorrect Answer

    Solution

    The crankcase of a two-stroke engine is fully sealed and airtight to aid in the movement of gases.

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