Tata Power Interview Questions, Process, and Tips

Aptitude and reasoning with electrical and electronics questions

Q1. Introduce yourself
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Q2. Tell me about your strength and weakness
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Q1. What is Ohms law
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Ohm's law states that the current flowing through a conductor is directly proportional to the voltage across it, and inversely proportional to the resistance of the conductor.
• Ohm's law is represented by the formula V = IR, where V is voltage, I is current, and R is resistance.

• It helps in calculating the relationship between voltage, current, and resistance in an electrical circuit.

• For example, if a circuit has a voltag...read more
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Q2. What do u mean by induction motor
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An induction motor is a type of AC motor where power is supplied to the rotor by electromagnetic induction.
• Induction motors are commonly used in various applications such as industrial machinery, pumps, fans, and compressors.

• They do not require brushes to transfer power to the rotor, making them more reliable and low maintenance.

• The speed of an induction motor is determined by the frequency of the AC power supply and t...read more
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Q3. Name the protection of transformer
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The protection of a transformer involves measures to prevent damage from overcurrent, overvoltage, overheating, and short circuits.
• Use fuses or circuit breakers to protect against overcurrent

• Install surge arresters to protect against overvoltage

• Use temperature sensors and cooling systems to prevent overheating

• Implement differential relays to detect and isolate short circuits

• Regular maintenance and testing to ensure pro
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Easy
Maths, English and reasoning

In aptitude test , the question comes on reasoning and aptitude and English which carries 70 mark and 30 mark questions comes under respective branch ( Basically in electrical engineering)

Q1. Question regarding Transformer Protection and distribution system
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Q2. What is deferential Protection of transformer? What is relay? What is CTand PT? Etc .
Ans. 
Differential protection of a transformer is a method of protecting the transformer from internal faults by comparing the currents entering and leaving the transformer.
• Differential protection compares the current entering and leaving the transformer to detect any internal faults.

• Relays are devices that sense abnormal conditions in electrical circuits and initiate appropriate actions to protect the system.

• CT (Current Tra...read more
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Q1. Project work related quation
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Q2. Final ans share to distribution project related work related quation
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