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I applied via Walk-in and was interviewed before May 2020. There were 6 interview rounds.
Estimating wiring and connections in a building involves assessing the electrical needs and layout of the space.
Assess the electrical needs of the building, including the number of outlets, lighting fixtures, and appliances.
Determine the layout of the building and the best routes for wiring to avoid hazards and maximize efficiency.
Consider the type of wiring needed, such as copper or aluminum, and the appropriate gauge...
Cables that transfer power are of different types depending on the application.
AC power cables
DC power cables
Coaxial cables
Ethernet cables
USB cables
HDMI cables
Optical fiber cables
Single phase motors are commonly used in household appliances and small machinery.
Split-phase motor
Capacitor-start motor
Capacitor-run motor
Shaded-pole motor
Distribution transformer rating is the maximum power it can handle without overheating.
Distribution transformer rating is expressed in kVA (kilovolt-ampere).
It is important to choose the right rating for the transformer based on the load requirements.
The rating of a transformer can be determined by calculating the load requirements of the system it is being installed in.
For example, if the load requirement is 500 kVA, ...
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Parameters of transmission line include resistance, inductance, capacitance, and conductance.
Resistance: opposition to the flow of current
Inductance: ability to store energy in a magnetic field
Capacitance: ability to store energy in an electric field
Conductance: ability to conduct electric current
Examples: coaxial cable, waveguide, twisted pair cable
Hysteresis curve is a graphical representation of the relationship between magnetic field strength and magnetization of a material.
It shows the lag between the magnetic field and the magnetization of a material.
It is used to study the magnetic properties of materials.
It is commonly used in the design of magnetic circuits and devices.
Examples include transformer cores, magnetic storage devices, and electric motors.
The s...
We use step-up transformers to reduce power loss during transmission by increasing voltage and decreasing current.
Step-up transformers increase voltage and decrease current, which reduces power loss during transmission.
This is because power loss is proportional to the square of the current, so reducing current reduces power loss.
For example, power is transmitted over long distances at high voltages (e.g. 500 kV) to red...
Power factor is the ratio of real power to apparent power in an AC circuit.
Power factor is a measure of how efficiently electrical power is being used.
It ranges from 0 to 1, with 1 being the most efficient.
A low power factor can result in higher energy costs and equipment damage.
Capacitors can be used to improve power factor.
Power factor is important in industries where large amounts of electrical power are used.
I was interviewed before Jan 2021.
Diploma
I applied via Job Portal and was interviewed before Nov 2021. There were 3 interview rounds.
Direct through campus placement and group discussion.
posted on 4 Jul 2022
I applied via Referral and was interviewed in Jan 2022. There were 2 interview rounds.
I applied via Newspaper Ad and was interviewed in Nov 2023. There were 2 interview rounds.
I applied via Company Website and was interviewed in Nov 2021. There were 4 interview rounds.
I applied via latest gov jobs and was interviewed in Oct 2023. There were 3 interview rounds.
Aptitude and reasoning
Discussion about social media
I am a recent graduate with a degree in Business Administration and a passion for marketing and analytics.
Recent graduate with a degree in Business Administration
Passionate about marketing and analytics
Experience in internships related to marketing
Strong communication and analytical skills
I applied via Naukri.com and was interviewed in Mar 2021. There were 4 interview rounds.
To tackle vibrations in axial fans, proper balancing, alignment, and maintenance are essential.
Perform dynamic balancing of the fan blades to minimize vibrations.
Ensure proper alignment of the fan with the motor and the surrounding structure.
Regularly inspect and maintain the fan components to prevent wear and tear.
Use vibration analysis techniques to identify and address any potential issues.
Consider installing vibrat...
We follow a permit system based on the project requirements and local regulations.
Our permit system ensures compliance with safety standards and legal requirements.
We obtain permits for activities such as construction, electrical work, and hazardous material handling.
The specific permit requirements vary depending on the nature of the project and the location.
We work closely with regulatory authorities to ensure timely...
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