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The minimum temperature required for a liquid fuel to form a spontaneously combustible mixture is known as ____________

a) Flash point
b) Fluid coupling
c) Differential
d) Disc brake

Answer: a
Explanation: Petrol is a volatile fuel, readily evaporates, so it gets mixed with the air efficiently. As a result, just a spark is sufficient to produce smooth combustion in a well-mixed petrol engine. Petrol has a very low flash point which is opposite in the case of diesel.

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