Explain function of alternator in a automobile.
[3 marks]What do you understand by positive and negative earth return systems?
[4 marks]Draw a neat wiring diagram of a four wheeler with all symbols.
[7 marks]Write down function of a) Fuse, b) Switch and c) Relay.
[3 marks]Explain working of spark plug with a diagram.
[4 marks]Explain with a neat sketch battery ignition system and explain function of each component.
[7 marks]Discuss various Battery Charging methods in detail.
[7 marks]List advantages of alkaline battery over lead acid battery.
[3 marks]Explain Battery Ratings.
[4 marks]With a neat sketch, Explain working of a speedometer.
[7 marks]Discuss the role of rectifier in charging system.
[3 marks]Define the following terms for starting motor a) Engine Brake away torque, b) Engine resisting torque, c) Motor Locked torque and e) Motor Driving Torque.
[4 marks]What is the need of Cranking motor drive mechanism? Explain working of Over running Clutch with a neat diagram.
[7 marks]A Starting motor is to be selected for a four stroke 1.2 ltr Diesel engine, list out the factors affecting the motor selection.
[3 marks]Explain Spark Advance mechanism.
[4 marks]Draw a neat diagram of lighting system of a automobile.
[7 marks]Write function of a) Cable connectors, b) Circuit breakers and c) Wiring Harness.
[3 marks]With a neat diagram, Explain the working of Oil pressure Gauge.
[4 marks]Explain construction and working of Alternator with a neat diagram.
[7 marks]Write a note on direction indicator used in automobile.
[3 marks]Discuss On Board Diagnostic system used in modern automobiles.
[4 marks]Explain Electronic fuel injection system, list out and also write functions of various sensors used in EFI.1
[7 marks]List out various Electronic Dashboard instruments used in automobiles.
[3 marks]Write a note on Engine management System.
[4 marks]Explain with a neat diagram working of oxygen sensor.
[7 marks]