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I was interviewed before Jan 2024.
The current carrying capacity of Rabbit conductor depends on various factors such as material, size, and temperature.
Current carrying capacity is influenced by the material of the conductor (e.g. copper, aluminum).
The size of the conductor (gauge or diameter) also plays a role in determining its current carrying capacity.
Temperature affects the current carrying capacity of a conductor, with higher temperatures reducing...
GI material is used for its corrosion resistance and durability in electrical engineering applications.
GI material (Galvanized Iron) is coated with a layer of zinc to protect against corrosion, making it ideal for outdoor applications.
It has high durability and can withstand harsh environmental conditions, making it suitable for long-term use.
GI material is cost-effective compared to other corrosion-resistant materials...
MCB stands for Miniature Circuit Breaker. It is a device designed to protect electrical circuits from overloads and short circuits.
MCB ratings are typically in multiples of 6, such as 6A, 10A, 16A, 20A, etc.
The rating of an MCB should be selected based on the maximum current that the circuit can safely handle.
For example, a lighting circuit may use a 6A MCB, while a power socket circuit may use a 16A MCB.
MCBs have a br...
I applied via Walk-in and was interviewed in Mar 2024. There was 1 interview round.
Mixing ratio of concrete refers to the proportion of cement, sand, and aggregate used in the concrete mix.
The most common mixing ratio for concrete is 1:2:4, which means 1 part cement, 2 parts sand, and 4 parts aggregate.
Other ratios like 1:1.5:3 and 1:3:6 are also used depending on the strength and durability requirements of the concrete.
Water is added to the mix to achieve the desired consistency and workability.
Prop...
Sri Gopikrishna Infrastructure interview questions for popular designations
I applied via Referral and was interviewed in Oct 2023. There were 4 interview rounds.
I applied via Naukri.com and was interviewed in Aug 2023. There were 2 interview rounds.
Calculate the volume of concrete in a pile with a height of 12 meters and a diameter of 350 mm.
Calculate the radius of the pile by dividing the diameter by 2 (175 mm)
Calculate the volume of the pile using the formula V = πr^2h
Convert the diameter and height to meters for consistent units
Substitute the values into the formula to find the volume of concrete in the pile
Perlin noise is a type of gradient noise used in computer graphics for creating natural-looking textures and animations.
Perlin noise is a type of coherent noise, meaning it smoothly transitions from one value to another without sudden jumps.
It is commonly used in procedural generation for creating realistic terrain, clouds, and other natural phenomena.
There are different variations of Perlin noise, such as simplex nois...
I applied via Walk-in and was interviewed before Apr 2022. There were 2 interview rounds.
Corona effect is the phenomenon of ionization and luminous discharge around a conductor carrying high voltage in air.
Occurs when the electric field strength around a conductor exceeds the breakdown strength of air
Results in ionization of air molecules and formation of a luminous discharge or corona
Can cause power loss, radio interference, and damage to equipment
Examples include the hissing sound from high voltage power
Generation is the process of producing electricity, transmission is the movement of electricity over long distances, and distribution is the delivery of electricity to consumers.
Generation involves converting energy sources such as coal, natural gas, or wind into electricity.
Transmission involves high voltage power lines that transport electricity over long distances from power plants to substations.
Distribution involv...
The primary side of a transformer can be found by checking the voltage rating on the nameplate.
Check the nameplate for voltage rating
The higher voltage rating is usually the primary side
Use a multimeter to confirm the primary side
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I applied via Referral and was interviewed before Dec 2021. There were 3 interview rounds.
Seeking new challenges and opportunities for growth.
Looking for new challenges and opportunities to learn and grow.
Desire for career advancement and professional development.
Seeking a better work-life balance or company culture.
Relocation or personal reasons.
Company restructuring or changes in management.
I am responsible for managing the IT infrastructure, overseeing network security, and leading a team of IT professionals.
Managing IT infrastructure
Overseeing network security
Leading a team of IT professionals
Yes, configuring RF devices involves setting up and optimizing radio frequency devices for optimal performance.
Configuring RF devices involves adjusting settings such as frequency, power levels, and modulation to ensure proper communication.
Examples of RF devices include routers, access points, and wireless adapters.
Proper configuration of RF devices is essential for reliable wireless communication and network performa
Materials needed for installing and configuring CCTV include cameras, cables, DVR/NVR, monitor, power supply, and tools.
Cameras (e.g. dome cameras, bullet cameras)
Cables (e.g. coaxial cables, Ethernet cables)
DVR/NVR (Digital Video Recorder/Network Video Recorder)
Monitor (for viewing footage)
Power supply (for cameras and DVR/NVR)
Tools (e.g. drill, screwdriver)
Yes, I have knowledge about firewall devices.
Firewall devices are used to monitor and control incoming and outgoing network traffic based on predetermined security rules.
They can be hardware-based or software-based.
Examples of firewall devices include Cisco ASA, Palo Alto Networks, and Fortinet.
Firewalls can be configured to block certain types of traffic, such as specific websites or protocols.
They are essential for n...
There are two main types of switches used in networking for LAN network and CCTV network: managed switches and unmanaged switches.
Managed switches offer more control and features, such as VLAN support and Quality of Service (QoS) settings.
Unmanaged switches are simpler and easier to set up, but offer less customization and control.
Examples of managed switches include Cisco Catalyst series and HP ProCurve series.
Example...
Basic aptitude questions
posted on 23 Jan 2025
I was interviewed in Dec 2024.
Maintenance procedures involve regular inspections, testing, and repairs to ensure equipment functionality and safety.
Regularly schedule maintenance tasks to prevent breakdowns and ensure equipment longevity
Conduct thorough inspections to identify potential issues before they escalate
Keep detailed records of maintenance activities and equipment history
Train staff on proper maintenance procedures and safety protocols
Uti...
To maintain a battery bank, regular inspections, proper charging, temperature control, and monitoring electrolyte levels are essential.
Perform regular inspections to check for signs of corrosion, leaks, or damage
Ensure proper charging by following manufacturer's guidelines and avoiding overcharging
Control temperature to prevent overheating or freezing, which can reduce battery life
Monitor electrolyte levels and top up ...
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