Automotive Electricals and Electronics — Summer 2022

Draw and explain the working of simple circuit breaker in short.

Enlist the color codes and its indications used for wiring in vehicle.

Explain the constructional details of Lead acid battery in details with neat sketch.

Give the function of the following:

Relay circuit (ii) Switches (iii) Fuse

Explain the construction and working of cutout relay with sketch.

Explain the various methods of battery capacity rating.

Enlist the various battery failures and their possible causes and remedies.

Explain working of glow plug and choke in brief.

Explain the construction and working of overrunning clutch.

Explain the Bendix drive type starting mechanism in details with neat sketch.

Explain the hydrometer test for battery in short.

Explain any two battery charging methods in short.

Explain the current voltage regulator for charging system in detail with neat sketch.

Enlist any three faults in charging system and their possible causes.

Explain the working of the fog lamp in short.

Draw the wiring diagram of flashing type side indicator and explain its working.

Explain the working of oil pressure warning light.

Explain the working of On Board Diagnostic (OBD) in short.

Explain the Electronic MPFI system used in vehicle in detail.

Explain the working of balancing type fuel gauge.

Explain the effect of interference suppression on vehicle engine in short.

Explain the working principle of oxygen sensor used in vehicle with neat sketch.

Explain the working of speedometer in short.

Explain any one type of throttle position sensor in brief.

Explain the construction and working of electric horn used in vehicles.