Eicher Motors Diagnostic Technician Interview Questions and Answers

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Q1. Why you are want to join Tata motors.
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Q2. What is the primary tools for an electrician.
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The primary tools for an electrician include pliers, wire strippers, screwdrivers, voltage testers, and power drills.
• Pliers are used to grip and twist wires and other components.

• Wire strippers are used to remove insulation from wires.

• Screwdrivers are used to tighten or loosen screws.

• Voltage testers are used to check if a circuit is live or not.

• Power drills are used to drill holes and drive screws.
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Q1. Hydrolic Draft control
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Q1. Clutch finger sating supermaxx
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Q1. Obd full form in vehicle
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On-Board Diagnostics
• On-Board Diagnostics (OBD) is a system in vehicles that monitors the performance of the engine and emissions systems.

• It helps to identify issues and malfunctions by providing codes that can be read with a diagnostic tool.

• OBD systems have evolved over the years, with OBD-II being the current standard in most vehicles.

• Examples of OBD codes include P0300 for random misfire and P0420 for catalytic conve
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Q1. Difference between petrol engine and diesel engine?
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Petrol engines use spark plugs to ignite fuel, while diesel engines use compression to ignite fuel.
• Petrol engines use spark plugs to ignite the fuel-air mixture, while diesel engines rely on compression to ignite the fuel.

• Petrol engines are generally lighter and more responsive, while diesel engines are more fuel efficient and have higher torque.

• Petrol engines are more common in cars and motorcycles, while diesel engin...read more
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Q2. Why we using series parallel connection in automobile
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Series parallel connection in automobiles allows for efficient power distribution and redundancy.
• Series connection allows for higher voltage output, which is needed for certain components like headlights.

• Parallel connection ensures redundancy and reliability in case one component fails.

• Combining series and parallel connections optimizes power distribution in automobiles.

• Example: Series connection for battery cells, par
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Q3. What is the firing order of 4 cylinder engine??
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The firing order of a 4 cylinder engine is typically 1-3-4-2.
• The firing order refers to the sequence in which each cylinder in the engine fires.

• In a 4 cylinder engine, the firing order is usually 1-3-4-2.

• This means that cylinder 1 fires first, followed by cylinder 3, then cylinder 4, and finally cylinder 2.
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Q4. Tell me about air conditioning?
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Air conditioning is a system that cools and dehumidifies air in a space to provide comfort and improve air quality.
• Air conditioning systems use refrigerants to absorb and release heat, cooling the air in the process.

• They consist of components such as compressors, condensers, evaporators, and expansion valves.

• Air conditioning can be central (whole-house) or individual units (window or portable).

• Regular maintenance is im...read more
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