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Larsen & Toubro Limited
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The most basic machine for an Electrical Engineer is the DC generator.
DC generator is a machine that converts mechanical energy into electrical energy.
It consists of a rotor, stator, and commutator.
DC generators are used in various applications such as power plants, electric vehicles, and portable generators.
An induction motor works on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
An alternating current is supplied to the stator windings, creating a rotating magnetic field.
The rotating magnetic field induces a current in the rotor windings, which in turn creates a magnetic field.
The interaction between the stator and rotor magnetic fields causes the rotor to rotate.
The speed...
DC series and DC shunt motors are types of direct current motors used in various applications.
DC series motors have high starting torque and are used in applications like electric traction systems.
DC shunt motors have a constant speed and are used in applications like conveyor belts and machine tools.
DC series motors have a series field winding connected in series with the armature winding.
DC shunt motors have a shunt ...
The synchronous speed of a 4 pole synchronous machine is 1800 RPM.
Synchronous speed is the speed at which the magnetic field rotates in a synchronous machine
It is given by the formula: Synchronous speed = (120 * Frequency) / Number of poles
For a 4 pole machine, with a frequency of 60 Hz, the synchronous speed is 1800 RPM
Transmission at high voltage is preferred due to lower power losses and reduced infrastructure costs.
High voltage transmission reduces power losses during transmission.
Lower current at high voltage reduces resistive losses in transmission lines.
High voltage transmission allows for longer transmission distances without significant power losses.
Reduced power losses result in higher efficiency and lower energy costs.
High ...
I applied via Naukri.com and was interviewed before Feb 2021. There were 2 interview rounds.
I was interviewed in Apr 2017.
I applied via Referral and was interviewed before Jul 2021. There were 3 interview rounds.
General information about electronic products which is used in daily life and technical questions related about the electronic equipments.
I applied via Referral and was interviewed before Sep 2017. There were 2 interview rounds.
I applied via Walk-in and was interviewed in Jun 2021. There was 1 interview round.
I applied via Recruitment Consultant and was interviewed before Dec 2020. There were 3 interview rounds.
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