On what basis positive displacement superchargers are usually rated?(a) Capacity per revolution(b) Parts per million(c) Displacement of engine(d) Size of exhaust manifoldThe question was posed to me by my school teacher while I was bunking the class.Origin of the question is Petrol Engine Fuel Supply System in section Exhaust System & Petrol Engine Fuel Supply System of Automotive Engine Design

On what basis positive displacement superchargers are usually rated?(a

1.	On what basis positive displacement superchargers are usually rated?(a) Capacity per revolution(b) Parts per million(c) Displacement of engine(d) Size of exhaust manifoldThe question was posed to me by my school teacher while I was bunking the class.Origin of the question is Petrol Engine Fuel Supply System in section Exhaust System & Petrol Engine Fuel Supply System of Automotive Engine Design
Answer» Right CHOICE is (a) Capacity PER revolution Explanation: Positive displacement SUPERCHARGERS are usually rated by their capacity per revolution. In this case of the ROOTS blower, the GMC RATING pattern is typical.

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