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Which of the following is not a property for injector open time duration?(a) Density of fuel(b) Dynamic compressibility(c) Injection pressure(d) Engine temperatureThis question was addressed to me in a job interview.The query is from Modern Common Rail Fuel Injection System in chapter Diesel Engine Fuel Supply System of Automotive Engine Design

Answer» CORRECT answer is (d) Engine temperature

Explanation: The FUEL is directly injected into the combustion CHAMBER, the fuel mass flow would depend upon the difference between the INJECTION and combustion chamber pressure,the density of fuel and dynamic compressibility of the fuel.


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