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A relay is an electrically operated switch that uses an electromagnet to control the flow of current in a circuit. A circuit breaker is a device that automatically interrupts the flow of current in a circuit when it detects an overload or short circuit.
Relay is an electrically operated switch
It uses an electromagnet to control the flow of current
Circuit breaker automatically interrupts current flow in case of overload
The principle of transformer is based on electromagnetic induction, where a changing magnetic field induces a voltage in a coil. Induction machines work on the principle of electromagnetic induction to convert electrical energy into mechanical energy.
Transformer operates on the principle of mutual induction, where two or more coils are wound on a common magnetic core.
When an alternating current flows through the primar...
Generators and alternators are both electrical devices that convert mechanical energy into electrical energy, but they differ in their construction and working principles.
Generators produce direct current (DC) while alternators produce alternating current (AC).
Generators use a commutator and brushes to convert mechanical energy into electrical energy, while alternators use slip rings and brushes.
Generators are typicall...
Losses in a transformer include copper losses and iron losses.
Copper losses occur due to the resistance of the transformer windings.
Iron losses, also known as core losses, occur due to hysteresis and eddy currents in the transformer core.
Copper losses can be minimized by using larger conductor sizes and reducing the winding resistance.
Iron losses can be reduced by using high-quality magnetic materials and minimizing th...
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Aptitude is easy, you can solve easily all questions.
I applied via Campus Placement and was interviewed in Feb 2024. There was 1 interview round.
What is induction motor?
I applied via Referral and was interviewed before Feb 2023. There was 1 interview round.
I applied via Walk-in and was interviewed in Dec 2022. There were 2 interview rounds.
A control valve CV is a device used to control the flow of fluid in a system by varying the size of the flow passage.
Control valves are commonly used in industries such as oil and gas, chemical, and power plants.
They can be operated manually or automatically using an actuator.
Control valves can regulate variables such as flow rate, pressure, temperature, and level in a process system.
Examples of control valve manufactu
Flow working principle involves measuring the rate of fluid passing through a system using various techniques.
Flow measurement techniques include differential pressure, electromagnetic, ultrasonic, and vortex shedding.
The principle is based on the relationship between flow rate, pressure drop, velocity, and fluid properties.
Flow meters are used to accurately measure flow rates in industries like oil and gas, water trea
37 min test
no negative marking
no using calculator
I am a dedicated and experienced Instrument Engineer with a passion for problem-solving and optimizing processes.
Over 5 years of experience in designing, implementing, and maintaining instrumentation systems
Skilled in troubleshooting and resolving technical issues to ensure optimal performance
Strong background in calibration, testing, and documentation of instrumentation systems
posted on 10 Jul 2023
I applied via Recruitment Consulltant and was interviewed before Jul 2022. There were 4 interview rounds.
Bromine manufacturing involves extraction from brine, purification, and electrolysis.
Extraction of bromine from brine through evaporation and oxidation
Purification of bromine using distillation or solvent extraction methods
Electrolysis of purified bromine to obtain elemental bromine
Byproducts such as hydrogen gas and sodium hydroxide may also be produced
posted on 5 Apr 2025
I appeared for an interview before Apr 2024, where I was asked the following questions.
I applied via Referral and was interviewed in Mar 2021. There were 3 interview rounds.
based on 1 interview
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