Q. Concerning the idle port area which among the following decreases by screwing the idle screw?

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Q. What can we recognize if the color of the exhaust smoke is black?

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Q. Which among the following is not an indication of the extra weak mixture?

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Q. What is the main reason for throttle adjustment?

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Q. What is the first step in removing the carburetor?

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Q. What is the number of rotation that has to be given to the idle screw to adjust the carburetor?

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Q. How many numbers of jets are present in a simple carburetor?

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Q. In which among the following does not depend on the carburetor to provide the correct mixture of air-fuel?

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Q. Which among the following should never be used in the cleaning of jets present in a carburetor?

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Q. What can we say about the air-fuel mixture if the engine is stalling by itself?

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Q. Which among the following is not an indication of a rich mixture?

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Q. Which among the following is not a secondary adjustment?

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Q. Which among the following tunes the fuel delivery to achieve the correct fuel ratio?

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Q. Which among the following is defined as the amount of time the injector stays open and also determines the amount of fuel supplied to the engine?

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Q. Which among the following is not a factor affecting the pulse width?

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Q. Which type of control valve is used in the operation of the injector?

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Q. Which among the following is not an advantage of petrol injection?

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Q. Which of the following is not a component of a petrol injection system?

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Q. How is the air-fuel mixture for full power mode?

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Q. Where is the injector placed in the direct injection system?

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