Which type of energy is used to operate the diaphragm in an S U electrical pump?(a) Mechanical(b) Hydraulic(c) Electrical(d) SolarThis question was posed to me by my school teacher while I was bunking the class.My question comes from Petrol Engine Fuel Supply System in portion Petrol Engine Fuel Supply System of Automotive Engine Design

Which type of energy is used to operate the diaphragm in an S U electr

1.	Which type of energy is used to operate the diaphragm in an S U electrical pump?(a) Mechanical(b) Hydraulic(c) Electrical(d) SolarThis question was posed to me by my school teacher while I was bunking the class.My question comes from Petrol Engine Fuel Supply System in portion Petrol Engine Fuel Supply System of Automotive Engine Design
Answer» The correct option is (c) Electrical Easy explanation: Alternate vacuum and PRESSURE are PRODUCED due to movement of the diaphragm which is caused electrically in the S U electrical pump. Closing the ignition switch energies the solenoid winding, magnetic flux is GENERATED which pulls the ARMATURE to which diaphragm is attached.

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