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I applied via Walk-in and was interviewed before Mar 2023. There were 2 interview rounds.
Joins are used in databases to combine rows from two or more tables based on a related column between them.
Types of joins include inner join, outer join (left, right, full), cross join, and self join.
Inner join returns rows when there is at least one match in both tables.
Outer join returns all rows from one table and matching rows from the other table.
Cross join returns the Cartesian product of the two tables.
Self join
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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 13 Apr 2015
posted on 10 Feb 2015
posted on 4 Apr 2021
posted on 13 Aug 2021
I applied via Campus Placement and was interviewed before Aug 2020. There were 4 interview rounds.
posted on 12 Jan 2022
I applied via Referral and was interviewed in Jul 2021. There was 1 interview round.
posted on 12 Feb 2021
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
A single line diagram is a simplified representation of a power system.
A single line diagram shows the electrical components of a power system in a simplified manner.
It is used to understand the flow of power and to identify potential problems.
It includes generators, transformers, transmission lines, distribution lines, and loads.
Each component is represented by a symbol and connected by lines to show the flow of power...
Voltage compensation at load centre
Voltage drop occurs in the distribution system due to the resistance of the conductors
Voltage compensation is done to maintain the voltage level at the load center
Methods of voltage compensation include tap changing transformers, voltage regulators, and shunt capacitors
To increase voltage for running tubewell when voltage is low, use a voltage booster or stabilizer.
Use a voltage booster or stabilizer to increase voltage
Check for any loose connections or damaged wires
Ensure the tubewell motor is not overloaded
Consider installing a capacitor bank to improve power factor
Consult with an electrician if necessary
posted on 23 May 2022
I applied via Referral and was interviewed before May 2021. There were 2 interview rounds.
posted on 30 Jun 2022
I applied via Campus Placement and was interviewed in Dec 2021. There were 2 interview rounds.
Basics of electrical
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