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I applied via Campus Placement and was interviewed in Feb 2023. There were 2 interview rounds.
3 parts - Aptitude (30 mins, 20 questions), Numerical (30 mins, 30 questions), Domain(30 mins, 25 questions)
Speed of induction machine can be controlled by varying the frequency of the supply voltage.
Speed control is achieved by varying the frequency of the supply voltage
This can be done using variable frequency drives (VFDs)
VFDs can be used to control the speed of the motor by adjusting the frequency of the AC power supplied to it
Other methods of speed control include changing the number of poles in the motor or using a wou...
VVVF method offers several advantages in motor control.
Variable Voltage Variable Frequency (VVVF) method allows for precise control of motor speed and torque.
It reduces energy consumption and improves efficiency by adjusting the voltage and frequency of the motor according to the load.
It also reduces wear and tear on the motor and other components, leading to longer equipment life.
VVVF method is widely used in industri...
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posted on 18 Apr 2023
I applied via Campus Placement and was interviewed in Mar 2023. There was 1 interview round.
RAC stands for Refrigeration and Air Conditioning. It involves the study and application of cooling and heating systems.
RAC deals with the design, installation, and maintenance of systems that control temperature, humidity, and air quality in buildings and vehicles.
It includes various components such as compressors, condensers, evaporators, and refrigerants.
RAC systems are used in refrigerators, air conditioners, heat ...
A P-h diagram is a graphical representation of the pressure-enthalpy relationship in a refrigeration system.
A P-h diagram shows the state points and processes of a refrigeration cycle.
The horizontal axis represents enthalpy, while the vertical axis represents pressure.
The diagram helps in analyzing and designing refrigeration systems.
It is useful for determining the performance and efficiency of the system.
The diagram ...
Insulation is a material or technique used to prevent the transfer of heat, electricity, or sound.
Insulation is used to reduce heat transfer, keeping buildings warm in winter and cool in summer.
Electrical insulation prevents the flow of electricity, protecting people and equipment from electric shocks.
Sound insulation reduces the transmission of sound between spaces, providing acoustic privacy.
Common insulation materia...
Insulation is used to prevent the transfer of heat, sound, or electricity.
Thermal insulation: used to reduce heat transfer
Acoustic insulation: used to reduce sound transmission
Electrical insulation: used to prevent the flow of electricity
Examples: fiberglass, foam, mineral wool, rubber, PVC
VCRs and VARs are both types of electrical devices, but they serve different purposes.
VCR stands for Video Cassette Recorder, which is used to record and play back video tapes.
VAR stands for Voltage-Activated Relay, which is used to control the flow of electricity based on voltage levels.
VCRs are commonly used in home entertainment systems, while VARs are used in electrical power systems.
VCRs are becoming obsolete with...
posted on 21 Dec 2022
I applied via Walk-in and was interviewed in Nov 2022. There were 3 interview rounds.
posted on 22 Oct 2021
I applied via Naukri.com and was interviewed in Sep 2021. There were 4 interview rounds.
A pump is a mechanical device used to transport fluids from one place to another.
Pumps are used in various industries such as oil and gas, water treatment, and manufacturing.
The main function of a pump is to create flow and increase the pressure of a fluid.
Pumps can be classified into different types based on their working principles, such as centrifugal pumps and positive displacement pumps.
Examples of pumps include w...
A pump consists of various parts that work together to move fluids from one place to another.
Impeller: rotates to create centrifugal force
Casing: contains the impeller and directs the flow of fluid
Shaft: connects the impeller to the motor
Seals: prevent leakage of fluid
Bearings: support the shaft and reduce friction
Suction and discharge ports: allow fluid to enter and exit the pump
posted on 26 Apr 2022
I applied via Naukri.com and was interviewed in Mar 2022. There were 2 interview rounds.
Technical questions and English.
posted on 18 Apr 2023
I applied via Campus Placement and was interviewed in Mar 2023. There was 1 interview round.
RAC stands for Refrigeration and Air Conditioning. It involves the study and application of cooling and heating systems.
RAC deals with the design, installation, and maintenance of systems that control temperature, humidity, and air quality in buildings and vehicles.
It includes various components such as compressors, condensers, evaporators, and refrigerants.
RAC systems are used in refrigerators, air conditioners, heat ...
A P-h diagram is a graphical representation of the pressure-enthalpy relationship in a refrigeration system.
A P-h diagram shows the state points and processes of a refrigeration cycle.
The horizontal axis represents enthalpy, while the vertical axis represents pressure.
The diagram helps in analyzing and designing refrigeration systems.
It is useful for determining the performance and efficiency of the system.
The diagram ...
Insulation is a material or technique used to prevent the transfer of heat, electricity, or sound.
Insulation is used to reduce heat transfer, keeping buildings warm in winter and cool in summer.
Electrical insulation prevents the flow of electricity, protecting people and equipment from electric shocks.
Sound insulation reduces the transmission of sound between spaces, providing acoustic privacy.
Common insulation materia...
Insulation is used to prevent the transfer of heat, sound, or electricity.
Thermal insulation: used to reduce heat transfer
Acoustic insulation: used to reduce sound transmission
Electrical insulation: used to prevent the flow of electricity
Examples: fiberglass, foam, mineral wool, rubber, PVC
VCRs and VARs are both types of electrical devices, but they serve different purposes.
VCR stands for Video Cassette Recorder, which is used to record and play back video tapes.
VAR stands for Voltage-Activated Relay, which is used to control the flow of electricity based on voltage levels.
VCRs are commonly used in home entertainment systems, while VARs are used in electrical power systems.
VCRs are becoming obsolete with...
posted on 21 Dec 2022
I applied via Walk-in and was interviewed in Nov 2022. There were 3 interview rounds.
posted on 22 Oct 2021
I applied via Naukri.com and was interviewed in Sep 2021. There were 4 interview rounds.
A pump is a mechanical device used to transport fluids from one place to another.
Pumps are used in various industries such as oil and gas, water treatment, and manufacturing.
The main function of a pump is to create flow and increase the pressure of a fluid.
Pumps can be classified into different types based on their working principles, such as centrifugal pumps and positive displacement pumps.
Examples of pumps include w...
A pump consists of various parts that work together to move fluids from one place to another.
Impeller: rotates to create centrifugal force
Casing: contains the impeller and directs the flow of fluid
Shaft: connects the impeller to the motor
Seals: prevent leakage of fluid
Bearings: support the shaft and reduce friction
Suction and discharge ports: allow fluid to enter and exit the pump
posted on 26 Apr 2022
I applied via Naukri.com and was interviewed in Mar 2022. There were 2 interview rounds.
Technical questions and English.
Interview experience
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