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I was interviewed in Mar 2024.
Vcb and ACB are types of circuit breakers used in electrical work.
Vcb stands for Vacuum Circuit Breaker and is used for medium voltage applications.
ACB stands for Air Circuit Breaker and is used for high voltage applications.
Both Vcb and ACB are used to protect electrical circuits from overloads and short circuits.
Vcb is more compact and requires less maintenance compared to ACB.
ACB is more suitable for industrial appl
Power plant in work involves operating and maintaining power generation equipment to ensure efficient and reliable electricity production.
Operate and monitor power generation equipment
Perform routine maintenance and repairs
Troubleshoot equipment malfunctions
Ensure compliance with safety regulations
Coordinate with other team members for efficient operation
To measure DC voltage using a multimeter, set the multimeter to the DC voltage setting, connect the probes to the circuit, and read the voltage displayed on the multimeter.
Set the multimeter to the DC voltage setting
Connect the black probe to the common (COM) terminal and the red probe to the voltage (VΩmA) terminal
Touch the probes to the circuit or component to measure the DC voltage
Read the voltage displayed on the m...
Transformers are devices that transfer electrical energy between two or more circuits through electromagnetic induction. Power factor is a measure of how effectively electrical power is being used in a circuit.
Transformers work on the principle of electromagnetic induction, where a changing magnetic field induces a voltage in a nearby coil of wire.
They are used to step up or step down voltage levels in electrical power...
ACB and VCB are types of circuit breakers used in electrical systems.
ACB stands for Air Circuit Breaker and VCB stands for Vacuum Circuit Breaker.
ACBs use air as the medium to extinguish the arc formed during circuit interruption.
VCBs use vacuum as the medium to extinguish the arc formed during circuit interruption.
Both ACBs and VCBs are used to protect electrical equipment from overcurrent and short circuits.
ACBs are ...
I applied via Referral and was interviewed in Jan 2024. There was 1 interview round.
Circuit breakers are essential safety devices that protect electrical circuits from overloads and short circuits.
Circuit breakers automatically cut off power when there is an overload or short circuit to prevent damage to the electrical system.
They are more convenient and safer than fuses, as they can be easily reset after tripping.
There are different types of circuit breakers, such as thermal, magnetic, and combinatio...
I applied via Naukri.com and was interviewed before Jun 2023. There was 1 interview round.
Resistance values are often color coded on resistors to easily identify their resistance value.
Color coding is used on resistors to indicate their resistance value
The colors represent numbers according to a specific color code chart
The first two bands represent the first two digits of the resistance value, the third band represents the multiplier, and the fourth band represents the tolerance
For example, a resistor with...
The symbol of a diode is an arrow pointing towards a line, representing the flow of current in one direction only.
Arrow pointing towards a line
Flow of current in one direction only
posted on 5 Jul 2022
Chillers operate by removing heat from a liquid through a refrigeration cycle.
Chillers use a compressor to compress refrigerant gas, which then condenses into a liquid.
The liquid refrigerant is then pumped through an evaporator, where it absorbs heat from the chilled water.
The refrigerant then returns to the compressor to repeat the cycle.
Chillers can be air-cooled or water-cooled, depending on the application.
Chillers...
Actuator is a device that converts electrical energy into mechanical motion.
Actuators are used in HVAC systems to control the flow of air, water, or steam.
They can be electric, pneumatic, or hydraulic.
Examples of actuators include valves, dampers, and motors.
Actuators are essential for maintaining temperature, humidity, and air quality in HVAC systems.
I applied via Referral and was interviewed in Aug 2021. There was 1 interview round.
posted on 20 Feb 2021
I applied via Naukri.com and was interviewed in Aug 2020. There were 3 interview rounds.
There are various types of transformers such as power transformers, distribution transformers, autotransformers, isolation transformers, etc.
Power transformers are used in high voltage transmission systems.
Distribution transformers are used to step down the voltage for distribution to homes and businesses.
Autotransformers have a single winding and are used for voltage regulation.
Isolation transformers are used to isola...
AHU stands for Air Handling Unit. It is used in HVAC systems to regulate and circulate air in buildings.
AHU stands for Air Handling Unit.
It is a device used in HVAC (Heating, Ventilation, and Air Conditioning) systems.
AHUs are responsible for regulating and circulating air in buildings.
They help maintain indoor air quality and temperature.
AHUs are commonly found in commercial buildings, hospitals, schools, and industri...
Electrical current unit is measured in Amperes (A).
Electrical current unit is the measure of the flow of electric charge.
It is measured in Amperes (A) and is named after the French physicist Andre-Marie Ampere.
One Ampere is defined as the amount of current that flows when one Coulomb of charge passes through a conductor in one second.
Electrical current is the rate at which electric charge flows through a circuit.
It is ...
The Indian standard frequency is 50 Hz.
The Indian standard frequency is used for power supply in India.
It is also known as the mains frequency.
It is different from the frequency used in some other countries like the US (60 Hz).
posted on 21 Dec 2019
To measure DC voltage using a multimeter, set the multimeter to the DC voltage setting, connect the probes to the circuit, and read the voltage displayed on the multimeter.
Set the multimeter to the DC voltage setting
Connect the black probe to the common (COM) terminal and the red probe to the voltage (VΩmA) terminal
Touch the probes to the circuit or component to measure the DC voltage
Read the voltage displayed on the m...
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