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How many degrees of advancement is provided by injection timer?(a) 5(b) 8(c) 9(d) 6I have been asked this question in an interview for job.Question is taken from Fuel Injection Pump topic in division Diesel Engine Fuel Supply System of Automotive Engine Design

Answer»

Right answer is (b) 8

Explanation: The timing of INJECTION will be required to be advanced with an increase in engine speed. This advancement is done by injection timer which provides a MAXIMUM of 8 DEGREES of Advance. The timer is mounted on the front end of the injection pump and works on the PRINCIPLE of centrifugal FORCE.



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