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I applied via Walk-in and was interviewed before Apr 2022. There were 2 interview rounds.
The amperage of a 10 hp motor depends on the voltage it operates at.
The amperage can be calculated using the formula: Amps = (Horsepower x 746) / Voltage
For example, if the voltage is 220V, the amperage would be (10 x 746) / 220 = 33.8 Amps
The amperage may vary depending on the efficiency and power factor of the motor
Star delta starter is used to reduce the starting current of induction motors.
Reduces the starting current of induction motors
Prevents excessive voltage drop in the power supply
Protects the motor from overheating
Increases the lifespan of the motor
Commonly used in applications where the motor needs to start under load
Example: Used in industries for large motors like pumps, compressors, and fans
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I applied via Campus Placement and was interviewed in Apr 2023. There were 2 interview rounds.
The principal of a transformer is based on the principle of electromagnetic induction.
Transformers work on the principle of Faraday's law of electromagnetic induction.
When an alternating current flows through the primary coil, it creates a changing magnetic field.
This changing magnetic field induces a voltage in the secondary coil, resulting in the transfer of electrical energy.
The ratio of the number of turns in the p...
Miniature Circuit Breaker
MCB stands for Miniature Circuit Breaker
It is an electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit
MCBs are commonly used in residential and commercial buildings for electrical safety
Examples of MCB brands include Siemens, Schneider Electric, and Legrand
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