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3 phase power has three conductors carrying three alternating currents, while 1 phase power has only one conductor carrying one alternating current.
3 phase power is more efficient for high power applications
1 phase power is commonly used in residential buildings
3 phase power provides a more balanced power supply compared to 1 phase power
kW is a unit of real power while kVA is a unit of apparent power in electrical engineering.
kW stands for kilowatts and represents the actual power consumed by a device or system.
kVA stands for kilovolt-amperes and represents the total power in an electrical system, including both real and reactive power.
The difference between kW and kVA is due to the presence of reactive power in the system.
In an ideal system with unit...
Transformer works on the principle of electromagnetic induction to transfer electrical energy between two or more circuits.
Transformers consist of two coils of wire, known as the primary and secondary coils.
When an alternating current flows through the primary coil, it creates a changing magnetic field around it.
This changing magnetic field induces a voltage in the secondary coil, transferring electrical energy between...
Types of AC motors include induction motors, synchronous motors, and brushed and brushless DC motors.
Induction motors: most commonly used type, simple design, reliable, low cost
Synchronous motors: maintain constant speed, used in applications requiring precise speed control
Brushed DC motors: use brushes to conduct current, simple design, easy to control speed
Brushless DC motors: more efficient, longer lifespan, no brus
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posted on 11 Oct 2020
I applied via Naukri.com and was interviewed in Sep 2020. There was 1 interview round.
I applied via Pradeep and was interviewed in Feb 2024. There was 1 interview round.
I applied via Walk-in and was interviewed before Jun 2023. There were 3 interview rounds.
Symbols, leastcount of vernier and micrometer
Annealing is a heat treatment process used to reduce hardness and increase ductility of a material.
Annealing involves heating a material to a specific temperature and then slowly cooling it down.
This process helps to relieve internal stresses, improve machinability, and enhance electrical conductivity.
Common examples include steel annealing to improve its ductility and copper annealing to increase its conductivity.
Tempering is a heat treatment process used to improve the toughness and ductility of metals by reducing internal stresses.
Tempering involves heating the metal to a specific temperature and then cooling it in a controlled manner.
The process helps to reduce the hardness of the metal while increasing its toughness and ductility.
Commonly used in the production of steel to achieve the desired balance of strength and flexibi...
posted on 27 Aug 2021
Can you work in under pressure
Process control is the use of techniques and technologies to control and monitor a production process.
Process control involves monitoring and adjusting variables in a production process to ensure quality and efficiency.
PLC (Programmable Logic Controller) is a type of industrial control system that uses logic-based programming to automate processes.
SCADA (Supervisory Control and Data Acquisition) is a system that collec...
I applied via LinkedIn and was interviewed before Apr 2023. There was 1 interview round.
I applied via Campus Placement and was interviewed in Jun 2023. There were 3 interview rounds.
Basic Question in C and C++ , and Technical Based Question in C and C++
Swapping Method, Prime Number , Star Patterns, Number Patterns
I applied via Approached by Company and was interviewed before Apr 2022. There were 3 interview rounds.
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