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There are two types of electricity: direct current (DC) and alternating current (AC).
Direct current (DC) flows in one direction and is commonly used in batteries and electronic devices.
Alternating current (AC) constantly changes direction and is used in homes and businesses for powering appliances and lighting.
Other types of electricity include static electricity, which is the buildup of electric charge on an object, a...
Ball lightning
Ball lightning is a rare and mysterious atmospheric phenomenon.
It appears as a glowing sphere of light that can move erratically and last for several seconds.
It is considered dangerous due to its unpredictable behavior and potential to cause damage.
Ball lightning has been reported to pass through walls, explode, and even cause fires.
Scientists are still studying its nature and trying to understand its ori
I applied via Walk-in and was interviewed before Aug 2022. There were 2 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There was 1 interview round.
posted on 12 Jul 2024
I applied via Walk-in and was interviewed in Jun 2024. There was 1 interview round.
I applied via Job Portal and was interviewed in Mar 2022. There was 1 interview round.
Wiring and boards are essential components of electrical systems.
Wiring refers to the physical connections between electrical components.
Boards are used to organize and control the flow of electricity.
Proper wiring and board design are crucial for safety and efficiency.
Examples of boards include circuit breaker panels and control boards for industrial machinery.
I applied via Instahyre and was interviewed before May 2023. There were 2 interview rounds.
The speed difference between stator's rotating magnetic field and rotor's rmf is called slip.
The slip is necessary for inducing current in the rotor and producing torque.
The slip is typically around 1-3% in most induction motors.
Higher slip values can indicate issues with the motor such as overload or mechanical problems.
An induction motor is a type of AC motor where power is supplied to the rotor by electromagnetic induction.
Induction motors are commonly used in various applications such as industrial machinery, pumps, fans, and compressors.
They do not require brushes to transfer power to the rotor, making them more reliable and maintenance-free compared to brushed DC motors.
The speed of an induction motor is determined by the frequen...
Synchronisation is the process of coordinating multiple systems or devices to work together in harmony.
Synchronisation ensures that different components or processes are aligned in time.
It is commonly used in electrical systems to ensure that multiple generators are running in phase with each other.
In data communication, synchronisation is important for ensuring that data is transmitted and received at the correct timi...
The speed of a rotor with respect to the stator magnetic field in an induction motor is known as slip speed.
The slip speed is the difference between the synchronous speed of the rotating magnetic field in the stator and the actual speed of the rotor.
It is necessary for the rotor to operate at a speed slightly slower than the synchronous speed in order to induce current and generate torque.
The slip speed allows the roto...
Slip is the difference between synchronous speed and actual rotor speed in an induction motor. Per unit slip is the slip expressed as a fraction of synchronous speed.
Slip is the difference between synchronous speed (speed of the rotating magnetic field) and the actual rotor speed in an induction motor.
Per unit slip is the slip expressed as a fraction of synchronous speed, typically denoted as a percentage.
For example, ...
posted on 26 Jun 2024
To decide how to work in safety in electrical equipment
One safety hazard in electrical protection is electric shock.
Electric shock can occur when coming into contact with live electrical parts.
Proper grounding and insulation of electrical equipment is essential to prevent electric shock.
Regular maintenance and inspections of electrical systems can help identify potential hazards.
Using personal protective equipment such as insulated gloves and safety goggles can reduce the ...
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