Engineering Online MCQ Number 0490 – online study, assignment and exam

Multiple choice question for engineering Set 1 1. Greenhouse effect is not caused by? a) CFC’s b) Sulphur dioxide c) Carbon dioxide d) None of the mentioned AnswerAnswer: a [Reason:] CFC’s aren’t responsible for the greenhouse effect. 2. In a four stroke cycle petrol engine, the inlet valve a) opens at top dead centre and…


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