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Transmission lines are typically designed for higher voltages like 110 kV, 220 kV, 400 kV, and above due to efficiency and cost considerations.
Transmission lines are designed for higher voltages to reduce energy losses during transmission.
Higher voltages allow for longer transmission distances without significant power loss.
Higher voltage transmission lines are more cost-effective compared to lower voltage lines for lo...
Three phase voltage is not simply the sum of single phase voltages due to different configurations and power distribution requirements.
Three phase power systems are designed to be more efficient and balanced compared to single phase systems.
In a three phase system, the voltage between any two phases is 440V, not the sum of single phase voltages (220V).
The total power in a three phase system is proportional to the squar...
I applied via Referral and was interviewed before Dec 2021. There were 3 interview rounds.
Isolator is a switch that isolates a circuit from power source while insulator is a material that does not conduct electricity.
Isolator is used to disconnect a circuit from power source for maintenance or safety purposes.
Insulator is used to prevent the flow of electricity through a material.
Isolator is a mechanical device while insulator is a material property.
Examples of isolators include circuit breakers, disconnect...
GIS substations use gas-insulated switchgear while AIS substations use air-insulated switchgear.
GIS substations are more compact and require less space than AIS substations.
GIS substations are more expensive to install and maintain than AIS substations.
GIS substations are more reliable and have lower maintenance costs than AIS substations.
AIS substations are more commonly used for lower voltage applications while GIS s...
Circuit breakers used in GIS are designed to interrupt the flow of electrical current in case of a fault.
GIS stands for Gas Insulated Switchgear
Circuit breakers used in GIS are typically SF6 circuit breakers
SF6 circuit breakers use sulfur hexafluoride gas to extinguish the arc
GIS circuit breakers are compact and require less maintenance compared to traditional air-insulated switchgear
Earthing is crucial for safety in substations and tunnels. Materials used include copper, steel, and galvanized iron.
Earthing ensures that any electrical faults are safely discharged to the ground.
In substations, earthing is necessary to protect equipment and personnel from electrical hazards.
In tunnels, earthing is important to prevent the buildup of static electricity and to protect against lightning strikes.
Material...
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I applied via Walk-in and was interviewed before Jun 2021. There were 2 interview rounds.
HR told about the company on the first day, how it works, told the rules, showed the management and a lot
I applied via Campus Placement and was interviewed before Feb 2020. There were 4 interview rounds.
Yes, algorithms and pseudocodes are still important in IT Services.
Algorithms are used in various fields of IT such as machine learning, data analysis, and cryptography.
Pseudocodes are used to plan and design algorithms before coding them.
Understanding algorithms and pseudocodes is essential for software engineers to write efficient and optimized code.
Examples of algorithms include sorting algorithms, search algorithms...
I applied via Referral and was interviewed in Dec 2020. There were 4 interview rounds.
I applied via Referral and was interviewed in Oct 2020. There were 3 interview rounds.
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