Internal Combustion Engines
Which of the following statement is correct regarding petrol engines?

All of these
The fuel supplied to the engine cylinder is mixed with necessary amount of air and the mixture in ignited with the help of a spark plug
A fine fuel spray mixed with air is ignited by the heat of compression which is at a high pressure
The fuel is first evaporated after passing through a carburettor and is mixed with air before ignition

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Internal Combustion Engines
In a coil ignition system of petrol engines, a condenser is connected across the contact breaker in order to

Cause more rapid break of the primary current, giving a higher voltage in the secondary circuit
Prevent sparking across the gap between the points
Both (A) and (B)
None of these

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