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A transformer is a device that transfers electrical energy between two or more circuits through electromagnetic induction.
Consists of two coils of wire (primary and secondary) wrapped around a core
Primary coil receives electrical energy and creates a magnetic field
Magnetic field induces a voltage in the secondary coil, transferring energy to the secondary circuit
Used to step up or step down voltage levels in power dist...
PLC programming stands for Programmable Logic Controller programming, which involves writing code to control industrial automation processes.
PLC programming involves writing code to control the operation of machinery and equipment in industrial settings.
It uses ladder logic, function block diagrams, or structured text to create programs that dictate the behavior of the PLC.
Programs are written to monitor inputs from se...
VCB stands for Vacuum Circuit Breaker, a type of circuit breaker that uses vacuum as the arc quenching medium for interruption of electrical current.
VCB is used for switching and protection of electrical equipment in power systems.
It is more reliable and requires less maintenance compared to other types of circuit breakers.
VCBs are commonly used in medium voltage applications.
Safety measures when working with VCB inclu...
ACB stands for Air Circuit Breaker, which is a type of circuit breaker used for protecting electrical circuits and equipment. Safety measures include proper installation, maintenance, and operation of ACBs.
ACB is a type of circuit breaker that operates in the air instead of oil or gas.
ACBs are used to protect electrical circuits and equipment from overloads, short circuits, and other electrical faults.
Safety measures f...
DG stands for Diesel Generator and safety refers to the measures taken to ensure the safe operation and maintenance of the generator.
DG is a backup power source that runs on diesel fuel in case of power outages.
Safety measures for DG include regular maintenance checks, proper ventilation, and fire prevention protocols.
Safety precautions also involve training personnel on how to operate the DG safely and what to do in c...
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posted on 4 Jan 2023
I applied via Company Website
30 questions related maths
posted on 5 Oct 2022
I applied via Company Website and was interviewed in Sep 2022. There were 2 interview rounds.
posted on 9 Aug 2021
I applied via Referral and was interviewed in Feb 2021. There were 3 interview rounds.
DOL and star delta starters are used to start induction motors. PLCs can be used to control their functioning.
DOL starter directly connects the motor to the power supply while star delta starter initially connects the motor in star configuration and then switches to delta configuration.
PLC controlling diagram for DOL starter includes inputs for start and stop buttons, overload relay, and contactor. For star delta start...
posted on 10 Jan 2018
posted on 30 Nov 2024
Maintenance robot , plc, hmi, spm, welding machine , vfd etc
I was interviewed in Aug 2024.
A mechanical engineer is a professional who designs, develops, and maintains mechanical systems and machinery.
Designing and analyzing mechanical systems
Developing prototypes and testing them for efficiency
Maintaining and troubleshooting mechanical equipment
Collaborating with other engineers and professionals on projects
The motor is a device that converts electrical energy into mechanical energy to power machinery or equipment.
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...
There are two main types of motors: AC motors and DC motors.
AC motors: Alternating current motors that are commonly used in household appliances and industrial applications.
DC motors: Direct current motors that are often used in battery-operated devices and automotive applications.
A turbine is a machine that converts the energy in a fluid flow into mechanical energy.
Turbines are commonly used in power plants to generate electricity.
There are different types of turbines such as steam turbines, gas turbines, and wind turbines.
Turbines have blades that rotate when the fluid flow passes through them, causing a shaft to spin and generate power.
The Bering is a strait that separates Russia and Alaska.
The Bering Strait is a narrow passage of water connecting the Arctic Ocean to the Bering Sea.
It separates the easternmost point of Asia from the westernmost point of North America.
Named after the explorer Vitus Bering who first documented it in 1728.
SCADA can be configured by setting up communication protocols, defining data points, creating graphical interfaces, and configuring alarms.
Set up communication protocols such as Modbus, DNP3, or OPC to communicate with field devices
Define data points by specifying the tags for each device or sensor being monitored
Create graphical interfaces by designing screens that display real-time data in a user-friendly format
Confi...
I/O modules can be configured by setting up the input and output signals, assigning addresses, and configuring communication protocols.
Identify the type of I/O module being used (analog, digital, etc.)
Assign addresses to the input and output signals for communication
Configure the communication protocols such as Modbus, Profibus, etc.
Set up the parameters for data transmission and reception
Test the configured I/O module
Assigning an IP address involves configuring the network settings of a device to enable communication with other devices on the same network.
Access the network settings of the device
Choose a suitable IP address based on the network's subnet
Assign the IP address along with subnet mask and default gateway
Ensure no IP address conflicts with other devices on the network
Save the settings and test the connection
I applied via Naukri.com and was interviewed in Feb 2024. There were 3 interview rounds.
Electrical questions
Basic from our bachelor degree
Interview experience
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