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I applied via Newspaper Ad and was interviewed before Apr 2023. There were 2 interview rounds.
Moderate apptiude level
MOSFET is a type of transistor that uses an electric field to control the flow of current.
MOSFET stands for Metal-Oxide-Semiconductor Field-Effect Transistor.
It has three terminals: gate, source, and drain.
The gate terminal controls the flow of current between the source and drain.
MOSFETs are commonly used in amplifiers, switches, and digital circuits.
They are known for their high input impedance and fast switching spe
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General knowledge,30min , easy to medium
Quantitative,Qualitative ,1 hr , Medium
I applied via Campus Placement
I want to join Siemens because of its reputation for innovation, global presence, and opportunities for career growth.
Siemens is known for its cutting-edge technology and innovative solutions in the electrical industry.
I am impressed by Siemens' global presence and the opportunity to work on projects around the world.
I believe Siemens offers great opportunities for career growth and development in the electrical field.
My strengths include problem-solving skills and attention to detail. My weaknesses include public speaking and time management.
Strengths: problem-solving skills
Strengths: attention to detail
Weaknesses: public speaking
Weaknesses: time management
I applied via Campus Placement and was interviewed in Sep 2024. There was 1 interview round.
IDMT relay is used for overcurrent protection while transformer differential relay is used for differential protection.
IDMT relay operates based on inverse time-current characteristic curve
Transformer differential relay compares the currents entering and leaving the transformer windings
IDMT relay is used for protecting electrical equipment from overcurrents
Transformer differential relay is used for detecting internal f
Solar panels convert sunlight into electricity through photovoltaic cells.
Solar panels contain photovoltaic cells that convert sunlight into electricity
When sunlight hits the cells, it excites electrons, creating a flow of electricity
The electricity generated can be used to power homes, businesses, or stored in batteries for later use
I was interviewed before Apr 2023.
Online aptitude test was easy. Questions were asked on electrical only.
Types of rotors in generators include salient pole rotor and cylindrical rotor.
Salient pole rotor has projecting poles with concentrated windings, used in low-speed applications.
Cylindrical rotor has distributed windings and is used in high-speed applications.
Other types include wound rotor and squirrel cage rotor.
Wound rotor has three-phase windings connected to slip rings, used in variable speed applications.
Squirrel...
Star delta starter is a type of reduced voltage starter used for starting high power motors.
Consists of two contactors - one for star connection and one for delta connection
Reduces starting current and torque on the motor
Commonly used in industrial applications for motors above 5 HP
Types of transformer losses include copper losses, iron losses, and stray losses.
Copper losses: Also known as I^2R losses, occur in the copper windings of the transformer due to resistance.
Iron losses: Also known as core losses, occur in the transformer core due to hysteresis and eddy currents.
Stray losses: Occur due to leakage flux and imperfect magnetic coupling between the windings.
Examples: An example of copper los...
A generator works on the principle of electromagnetic induction to convert mechanical energy into electrical energy.
Generators use a magnetic field and a conductor to create a flow of electrons, generating electricity.
When the conductor moves through the magnetic field, it induces a current in the conductor.
This current is then collected and transferred through wires to power electrical devices.
Examples of generators i...
Common aptitude questions are asked in first round
posted on 20 May 2017
I was interviewed in Aug 2016.
Microcontroller is a compact computer on a single chip with built-in memory and peripherals, while microprocessor is just a CPU.
Microcontroller has on-chip memory and peripherals, while microprocessor requires external memory and peripherals.
Microcontroller is used in embedded systems, while microprocessor is used in personal computers.
Examples of microcontrollers include Arduino, PIC, and AVR, while examples of microp...
Diodes are electronic components that allow current to flow in one direction. Various types of diodes are used in electronic circuits.
Rectifier diodes
Zener diodes
Schottky diodes
LEDs
Varactor diodes
Tunnel diodes
Photodiodes
PIN diodes
SCR stands for Silicon Controlled Rectifier. It is a semiconductor device used for power control and switching applications.
SCR is used in various applications such as motor control, lighting control, and heating control.
It is used in AC power control circuits to regulate the amount of power delivered to a load.
SCR is also used in voltage regulators, inverters, and battery chargers.
It is a three-terminal device consist...
posted on 4 Apr 2021
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