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

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+1 vote
in Farm Machinery by (38.9k points)
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

I got this question in an online quiz.

Question is taken from Diesel Engine Vs. Petrol Engine in portion Internal Combustion Engine of Farm Machinery

1 Answer

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Best answer
Right option is (a) Flash point

The best I can explain: 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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