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I applied via Campus Placement and was interviewed in Jan 2024. There were 2 interview rounds.
Maths reasoning technical and english questions
DOL starter stands for Direct Online starter, which is a type of motor starter used to start and stop motors directly without any soft starting or stopping mechanism.
DOL starter is the simplest and most economical method of starting a motor.
It directly connects the motor to the power supply at full voltage during starting.
It is suitable for small to medium-sized motors where the starting current is not a concern.
DOL st...
Transformer losses include copper losses and iron losses.
Copper losses are caused by the resistance of the copper windings and are also known as I^2R losses.
Iron losses are caused by hysteresis and eddy currents in the core material.
Other losses include stray losses and dielectric losses.
Total losses in a transformer are the sum of copper losses and iron losses.
Motors are devices that convert electrical energy into mechanical energy to produce motion.
Motors are commonly used in various applications such as industrial machinery, household appliances, and vehicles.
There are different types of motors including DC motors, AC motors, and stepper motors.
Motors work based on the principle of electromagnetic induction, where a magnetic field interacts with current to generate force.
E...
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I applied via Campus Placement and was interviewed in Jun 2024. There was 1 interview round.
I applied via Referral and was interviewed before Aug 2023. There were 2 interview rounds.
Transformers can be classified into different types based on their construction, purpose, and voltage levels.
Based on Construction: Shell type, Core type, Berry type
Based on Purpose: Power transformer, Distribution transformer, Instrument transformer
Based on Voltage Levels: Step-up transformer, Step-down transformer, Auto transformer
Materials used for electrical insulation include rubber, plastic, glass, ceramic, and mica.
Rubber
Plastic
Glass
Ceramic
Mica
Smartphone advantages and disadvantages
Test included appti tech and reasoning
I applied via Campus Placement
Good and understanding
Medium level of maths+reasoning+English
I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.
Yes, SCADA stands for Supervisory Control and Data Acquisition. It is a system used for monitoring and controlling industrial processes.
SCADA systems are used in various industries such as power plants, water treatment facilities, and manufacturing plants.
They allow operators to remotely monitor and control processes in real-time.
SCADA systems typically consist of sensors, controllers, and a human-machine interface (HM...
Types of losses in power distribution include resistance losses, core losses, and dielectric losses.
Resistance losses occur due to the resistance of the conductors, leading to heat dissipation.
Core losses occur in transformers due to hysteresis and eddy current losses.
Dielectric losses occur in insulating materials due to polarization and leakage currents.
Power distribution system is a network of electrical components used to deliver electricity from the generation source to the end users.
Power generation at a central location
Transmission of electricity through high voltage lines
Distribution through substations and transformers
Delivery to end users via distribution lines
Utilization by consumers for various applications
Types of transformers include power transformers, distribution transformers, autotransformers, isolation transformers, and instrument transformers.
Power transformers are used in high voltage transmission systems to step up or step down voltage levels.
Distribution transformers are used to supply power to residential and commercial areas.
Autotransformers have a single winding and are used for voltage regulation.
Isolation...
I applied via Campus Placement and was interviewed before Oct 2022. There were 3 interview rounds.
English and basic maths
Resistance is the opposition to the flow of electric current, while machines are devices that convert energy from one form to another.
Resistance is measured in ohms and is caused by the material and dimensions of a conductor.
Machines include motors, generators, transformers, and other devices that use electrical energy to perform work.
Resistance can be calculated using Ohm's Law: R = V/I, where R is resistance, V is vo
Machines operate based on various principles such as electromagnetic, mechanical, thermal, and chemical principles.
Machines convert one form of energy into another to perform work
Electromagnetic machines use the principles of electricity and magnetism, like motors and generators
Mechanical machines use moving parts to transfer and transform energy, like engines and gears
Thermal machines use heat to generate power, like ...
Challenges in electrical industry include rapid technological advancements, safety concerns, and skilled labor shortage.
Rapid technological advancements leading to constant need for upskilling and training
Safety concerns related to electrical hazards and compliance with regulations
Skilled labor shortage impacting project timelines and quality of work
Integration of renewable energy sources and smart grid technologies
I applied via Campus Placement and was interviewed in May 2023. There were 3 interview rounds.
Aptitude was a little bit easy. Keep your foundation strong.
based on 1 interview
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