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I applied via Approached by Company and was interviewed in Mar 2024. There was 1 interview round.
Electric motors can be classified into various types based on their construction and operation.
Types of electric motors include DC motors, AC motors, synchronous motors, asynchronous motors, brushed motors, brushless motors, etc.
DC motors operate on direct current and are commonly used in applications like electric vehicles and robotics.
AC motors operate on alternating current and are widely used in household appliance...
MCB stands for Miniature Circuit Breaker, used for electrical protection in homes and buildings.
MCB is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions.
It is commonly used in homes, buildings, and electrical panels to protect against overcurrent and short circuits.
MCBs come in different ratings such as 6A, 10A, 16A, etc., to suit different electrical loads.
They ar...
RCCB stands for Residual Current Circuit Breaker. It is used in electrical systems to protect against electric shock and fire hazards.
RCCB is a type of circuit breaker that detects imbalances in the electrical current flowing through a circuit.
It quickly disconnects the power supply when it detects a leakage current, which could indicate a fault or electric shock hazard.
RCCBs are commonly used in residential, commercia...
There are different types of earthing such as TN, TT, and IT. The voltage of earthing can vary depending on the type of earthing system.
Types of earthing include TN, TT, and IT
TN system has a voltage of 230V to earth
TT system has a voltage of 400V to earth
IT system has a voltage of 400V to earth
A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Consists of two or more coils of insulated wire wrapped around a core
Primary coil receives electrical energy and induces a magnetic field in the core
Secondary coil receives the magnetic field and converts it back to electrical energy
Used in power distribution, voltage regulation, and isolation
Exampl
HT motor stands for High Tension motor, which is a type of motor designed to operate at high voltages.
HT motors are designed to operate at voltages higher than 1000V.
They are commonly used in industrial applications where high power output is required.
HT motors are more efficient and have better power factor compared to low tension motors.
Examples of HT motors include induction motors, synchronous motors, and DC motors
HT motors offer higher efficiency, better power factor, and improved reliability compared to standard motors.
Higher efficiency leads to lower energy consumption and cost savings.
Better power factor reduces electricity wastage and improves overall system performance.
Improved reliability results in less downtime and maintenance costs.
HT motors are suitable for high-demand applications such as industrial machinery and lar
A VFD drive, or Variable Frequency Drive, is a type of motor controller that drives an electric motor by varying the frequency and voltage supplied to the motor.
Controls the speed and torque of an electric motor by varying the frequency and voltage of the power supplied
Used in applications where precise control of motor speed is required, such as in industrial automation and HVAC systems
Helps in energy savings by adjus...
I applied via Newspaper Ad and was interviewed in Jan 2024. There was 1 interview round.
Tata Steel interview questions for designations
I applied via Naukri.com and was interviewed in Dec 2023. There was 1 interview round.
A motor is a device that converts electrical energy into mechanical energy to produce motion.
Motors can be found in various applications such as industrial machinery, household appliances, and vehicles.
There are different types of motors including AC motors, DC motors, and servo motors.
Motors consist of a rotor, stator, and various components such as coils, magnets, and brushes.
Common examples of motors include electri
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I applied via Company Website and was interviewed in Oct 2023. There were 3 interview rounds.
All HD and LT Electric electric question
One leader and five member group discussion.
I applied via Walk-in and was interviewed before May 2022. There were 2 interview rounds.
posted on 14 Sep 2022
I applied via Approached by Company and was interviewed before Sep 2021. There was 1 interview round.
I applied via Naukri.com and was interviewed before Oct 2021. There were 2 interview rounds.
I applied via Naukri.com and was interviewed in Apr 2023. There were 2 interview rounds.
The point angle of scriber is the angle between the two cutting edges of the scriber.
The point angle is typically between 30 and 60 degrees.
It affects the sharpness and durability of the scriber.
A larger point angle will result in a stronger but less sharp scriber.
A smaller point angle will result in a sharper but less durable scriber.
The point angle of a centre punch is typically 90 degrees.
The point angle is the angle between the two sides of the punch tip.
A 90 degree point angle is the most common and versatile for general use.
Different point angles can be used for specific applications, such as 60 degrees for softer materials.
The point angle affects the size and shape of the indentation made by the punch.
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