Hero MotoCorp Maintenance Electrician Interview Questions and Answers

Q1. Difine series connection
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Q2. Difine parallel conection
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Q3. What is current
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Current is the flow of electric charge in a circuit.
• Current is measured in amperes (A).

• It is caused by the movement of electrons or other charged particles.

• Current can flow in both directions in an alternating current (AC) circuit.

• In a direct current (DC) circuit, current flows in only one direction.

• The magnitude of current is determined by the voltage and resistance in the circuit.

• Ohm's Law states that current is equa
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Q4. What is DC current
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DC current stands for Direct Current, which is the flow of electric charge in a single direction.
• DC current is characterized by a constant and steady flow of electrons in one direction.

• It is commonly produced by batteries, solar cells, and power supplies.

• Unlike AC (Alternating Current), DC current does not change its direction periodically.

• DC current is used in various applications such as powering electronic devices, ...read more
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Q1. What is the can resistance of an electric bus 🚍 .
Ans. 
The can resistance of an electric bus varies depending on the specific model and components used.
• The can resistance of an electric bus can range from 0.1 ohms to 1 ohm.

• Factors such as the size of the bus, the type of batteries used, and the efficiency of the electric motors can all affect the can resistance.

• For example, a smaller electric bus with high-performance batteries and motors may have a lower can resistance co
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Q2. What is the full form BMS
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Building Management System
• BMS stands for Building Management System

• It is a computer-based control system installed in buildings to monitor and manage equipment such as HVAC, lighting, security, and more

• BMS helps in optimizing energy usage, improving comfort levels, and enhancing overall building efficiency
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Q3. How to connect HV battery to electric bus
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To connect HV battery to electric bus, follow safety protocols, identify positive and negative terminals, use appropriate cables and connectors, and ensure proper insulation.
• Ensure safety protocols are followed to prevent electric shock or short circuits

• Identify positive and negative terminals on both the HV battery and electric bus

• Use appropriate cables and connectors rated for high voltage

• Ensure proper insulation to ...read more
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Q1. Electrician troubleshooting
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Reasoning

Q1. Of automobails releted
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Doing work break pipi in tata magic ambulance
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Q2. Trim line related question
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Head lamp fitment and teldor lamp fitment
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Q3. Trin line related question
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R h and l h beding fitment and tata magic express beding l h and r h and tel dor beding fitment
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Q1. Basic knowledge of 3 phase induction motor
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Q2. Basic knowledge of electronic equipment
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Q1. Why are the short-circuit
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Short-circuits occur due to a low-resistance connection between two conductors.
• Short-circuits can be caused by damaged insulation, faulty wiring, or equipment failure.

• They can result in excessive current flow, overheating, and potential fire hazards.

• Short-circuits can be detected using circuit breakers or fuses that interrupt the flow of electricity.

• Examples of short-circuits include a frayed power cord, a loose connec...read more
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Q2. I wire cutting and wire losse than earth circuit is called short-circuit
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Q3. Arround in compney
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The question is asking about the experience of working in a company.
• Discuss your previous experience working in a company as an electrician.

• Highlight any specific projects or tasks you have completed in a company setting.

• Mention any challenges you faced and how you overcame them.

• Talk about your ability to work as part of a team and collaborate with colleagues.

• Emphasize your commitment to safety and following company po
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Q1. What is the realy
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Q2. What is the transformer
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A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
• Transformers are used to increase or decrease voltage levels in electrical circuits.

• They consist of two coils of wire, known as the primary and secondary coils.

• The primary coil is connected to the input voltage source, while the secondary coil is connected to the output load.

• Transformers...read more
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Q3. What is the motor
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A motor is a device that converts electrical energy into mechanical energy to produce motion.
• Converts electrical energy into mechanical energy

• Used to produce motion in machines or equipment

• Commonly found in appliances, vehicles, and industrial machinery
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Q4. What is the diod
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A diode is a semiconductor device that allows current to flow in one direction only.
• Diods are commonly used in electronic circuits to control the direction of current flow.

• They have two terminals - an anode and a cathode.

• When forward biased, a diode allows current to flow. When reverse biased, it blocks current.

• Examples of diodes include light-emitting diodes (LEDs) and rectifier diodes.
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