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Internal compression devices usually use varying compression ratio.(a) True(b) FalseI got this question by my school principal while I was bunking the class.This intriguing question originated from Petrol Engine Fuel Supply System in section Exhaust System & Petrol Engine Fuel Supply System of Automotive Engine Design

Answer»

Right OPTION is (b) False

To elaborate: INTERNAL compression devices usually use a fixed internal compression ratio. When the boosted PRESSURE is equal to the compression pressure of the supercharger, the backflow is ZERO.



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