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The device which atomises the fuel and mixes it with air is known as :

  • A.Piston
  • B.Choke
  • C.Carburetor
  • D.Battery

Answer: C

The device is the carburetor.

In a petrol (spark ignition) engine the carburetor breaks the fuel into a fine spray as air rushes through its venturi, vaporises it and mixes it with the air in the right proportion before the charge enters the cylinder.

The choke is only a valve in the carburetor's air passage that enriches the mixture for a cold start; it does not atomise anything by itself. The piston compresses the charge, and the battery supplies the ignition and electrical system.

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