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I applied via Campus Placement and was interviewed in Oct 2023. There were 2 interview rounds.
Focused on electronics, about signals and waves
A rectifier is an electrical device that converts alternating current (AC) to direct current (DC).
Rectifiers are commonly used in power supplies to convert AC to DC for electronic devices.
They can be half-wave, full-wave, or bridge rectifiers.
Examples of rectifiers include diode rectifiers and silicon-controlled rectifiers (SCRs).
Modulation is the process of varying one or more properties of a high-frequency periodic waveform, called the carrier signal, with a modulating signal.
Modulation is used to encode information on a carrier signal for transmission.
There are different types of modulation techniques such as Amplitude Modulation (AM), Frequency Modulation (FM), and Phase Modulation (PM).
Example: In AM, the amplitude of the carrier signal is...
Sampling is the process of selecting a subset of individuals from a larger population to represent the whole.
Sampling helps in making inferences about the population based on the characteristics of the sample.
Common sampling methods include random sampling, stratified sampling, and cluster sampling.
For example, a survey conducted by selecting a random sample of households to represent the entire city's population.
An oscillator is an electronic circuit that produces a repetitive electronic signal, typically a sine wave or square wave.
An oscillator generates a periodic waveform without any external input signal.
It uses positive feedback to sustain oscillations.
Common types of oscillators include LC oscillators, crystal oscillators, and relaxation oscillators.
Oscillators are used in various applications such as signal generation,
I applied via Referral and was interviewed before Aug 2021. There were 2 interview rounds.
posted on 5 Oct 2024
I applied via Walk-in and was interviewed before Oct 2023. There were 2 interview rounds.
A UPS block diagram typically consists of input power, rectifier, battery, inverter, output power, and load.
Input power from utility or generator
Rectifier converts AC to DC
Battery stores energy for backup power
Inverter converts DC to AC
Output power to connected devices
Load consumes power from UPS
MOSFET, IGBT, and SCR are all types of power semiconductor devices used for switching applications.
MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) is a voltage-controlled device with high switching speed and efficiency.
IGBT (Insulated Gate Bipolar Transistor) combines the advantages of MOSFET and bipolar transistor, suitable for high power applications.
SCR (Silicon-Controlled Rectifier) is a current-controll...
Seeking new challenges and growth opportunities in a different environment.
Desire for new challenges and opportunities for growth
Different work culture and environment
Opportunity to learn new technologies and skills
Possibility of career advancement
Seeking better work-life balance
Chiller and VRF systems differ in their cooling capacity, efficiency, and cost.
Chillers are better suited for large commercial buildings with high cooling loads.
VRF systems are more efficient and cost-effective for smaller buildings or individual rooms.
Chillers use water as a cooling medium, while VRF systems use refrigerant.
Chillers require more maintenance and have a longer lifespan than VRF systems.
VRF systems offer...
posted on 23 Feb 2024
I applied via Naukri.com and was interviewed before Mar 2020. There was 1 interview round.
I applied via Recruitment Consultant and was interviewed before Oct 2019. There were 3 interview rounds.
I applied via Recruitment Consulltant and was interviewed in Mar 2022. There were 3 interview rounds.
based on 1 interview
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