Which system experiencesVapour locking in the fuel system?(a) A.C mechanical pump(b) S U electrical pump(c) Both A.C mechanical pump and S U electrical pump(d) Electrical pumpThe question was posed to me in my homework.My question is based upon Petrol Engine Fuel Supply System topic in portion Petrol Engine Fuel Supply System of Automotive Engine Design

Which system experiencesVapour locking in the fuel system?(a) A.C mech

1.	Which system experiencesVapour locking in the fuel system?(a) A.C mechanical pump(b) S U electrical pump(c) Both A.C mechanical pump and S U electrical pump(d) Electrical pumpThe question was posed to me in my homework.My question is based upon Petrol Engine Fuel Supply System topic in portion Petrol Engine Fuel Supply System of Automotive Engine Design
Answer» Correct answer is (a) A.C mechanical PUMP The BEST explanation: SINCE the A-C pump is situated close to the engine due to which they are exposed to engine heat, which may RESULT in vapor LOCKING in the fuel system. Which is taken care of by the diaphragm return spring.

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