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I applied via Referral and was interviewed before Oct 2023. There were 2 interview rounds.
AC voltage and frequency are key parameters in electrical engineering, determining the power supply characteristics.
AC voltage is the amplitude of the alternating current signal, measured in volts.
Frequency refers to the number of cycles per second in the AC signal, measured in Hertz (Hz).
Standard AC voltage in most countries is around 220-240V at a frequency of 50-60Hz.
Variations in AC voltage and frequency can affect...
DC voltage is a constant voltage level, while frequency refers to the number of cycles per second in an alternating current.
DC voltage is a constant voltage level that does not change over time.
Frequency refers to the number of cycles per second in an alternating current.
DC voltage is typically used in batteries and power supplies.
Frequency is measured in Hertz (Hz).
AC motors run on alternating current while DC motors run on direct current.
AC motors change the direction of current flow periodically, while DC motors maintain a constant direction of current flow
AC motors are commonly used in household appliances and industrial applications
DC motors are often used in battery-operated devices like toys and electric vehicles
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The maximum voltage of transmission line in India is 765 kV.
The highest voltage level in India is 765 kV.
This voltage level is used for long distance transmission of electricity.
India has several high voltage transmission lines, including the Raigarh-Pugalur HVDC line.
The maximum voltage level has increased over the years, from 400 kV to 765 kV.
Higher voltage levels allow for more efficient transmission of electricity.
Various methods like V/F control, rotor resistance control, and vector control are used for speed control of induction motors.
V/F control method varies the frequency and voltage supplied to the motor to control its speed.
Rotor resistance control method involves inserting external resistance in the rotor circuit to control the speed.
Vector control method uses advanced algorithms to control the speed and torque of the mo...
I applied via Referral and was interviewed in Mar 2021. There were 3 interview rounds.
PLC can be connected to a workstation using Ethernet or serial communication. GSD files can be added in Simatic Manager for device configuration.
Connect PLC to workstation using Ethernet or serial communication
Open Simatic Manager and go to the hardware configuration
Right-click on the device and select 'Insert New Object'
Choose 'GSD file' and browse to select the GSD file for the device
Save the configuration and downlo...
I appeared for an interview in Sep 2023.
I appeared for an interview in Apr 2025, where I was asked the following questions.
Bearings are mechanical components that reduce friction between moving parts, enhancing efficiency and performance.
Ball Bearings: Commonly used in bicycles and machinery for smooth rotation.
Roller Bearings: Used in heavy machinery to support heavy loads, like in construction equipment.
Thrust Bearings: Designed to handle axial loads, often found in automotive applications.
Magnetic Bearings: Used in high-speed applicatio...
Purchasing a pump involves assessing needs, selecting specifications, and evaluating suppliers for quality and cost.
Identify the application: Determine the purpose of the pump, such as water transfer, chemical processing, or HVAC systems.
Select pump type: Choose between centrifugal, positive displacement, or submersible pumps based on the application.
Determine flow rate and head: Calculate the required flow rate (GPM o...
Mechanical engineers design, analyze, and manufacture mechanical systems, ensuring functionality and efficiency across various industries.
Designing mechanical systems: Creating blueprints for machines like engines or HVAC systems.
Analyzing performance: Using simulations to test how a product will perform under various conditions.
Manufacturing processes: Overseeing the production of mechanical components, ensuring quali...
posted on 10 May 2022
I applied via Approached by Company and was interviewed before May 2021. There was 1 interview round.
posted on 10 May 2022
I applied via Approached by Company and was interviewed before May 2021. There was 1 interview round.
I applied via Walk-in and was interviewed in Dec 2024. There were 2 interview rounds.
Power plant operation and maintenance involves the continuous monitoring, inspection, and repair of equipment to ensure efficient and safe functioning.
Regular monitoring of equipment performance
Scheduled inspections and maintenance activities
Prompt repairs of any faults or failures
Ensuring compliance with safety regulations
Optimizing plant efficiency through proper maintenance practices
based on 1 interview experience
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