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OSG stands for Occupational Safety and Health Gear. It includes equipment and clothing designed to protect workers from workplace hazards.
OSG includes items such as helmets, gloves, safety goggles, ear protection, and safety harnesses.
The function of OSG is to minimize the risk of injury or illness in the workplace.
Safety gear is essential for workers in industries such as construction, manufacturing, and mining.
Proper...
Elevators typically use AC induction motors with variable frequency drives for smooth and efficient operation.
AC induction motors are commonly used in elevators due to their reliability and ability to provide smooth and quiet operation.
Variable frequency drives are used to control the speed and torque of the motor, allowing for precise movement and energy efficiency.
The drive system in an elevator is responsible for co...
I handle customers with patience, empathy, and effective communication.
Listen actively to understand their concerns
Show empathy and understanding towards their situation
Communicate clearly and effectively to address their needs
Provide timely updates and follow-ups on their service requests
posted on 20 Apr 2022
I applied via Walk-in and was interviewed before Apr 2021. There were 2 interview rounds.
Handling problems involves identifying the issue, analyzing it, developing a solution, and implementing it.
Identify the problem by gathering information and understanding the root cause.
Analyze the problem by breaking it down into smaller components and evaluating possible solutions.
Develop a solution by brainstorming ideas, considering constraints, and selecting the most effective approach.
Implement the solution by cr...
A control valve is a device used to regulate the flow of a fluid in a system by varying the size of the flow passage.
Control valves are commonly used in industries such as oil and gas, chemical, and power plants.
They can be operated manually, pneumatically, electrically, or through a combination of these methods.
The operation of a control valve involves adjusting the position of the valve plug or disc to control the fl...
Profibus is a widely used fieldbus communication protocol in industrial automation.
Profibus stands for Process Field Bus.
It is used for communication between field devices and control systems in industrial automation.
There are two main types of Profibus: Profibus DP (Decentralized Peripherals) and Profibus PA (Process Automation).
Profibus uses a master-slave communication model.
It is known for its high-speed data trans...
Troubleshooting Profibus involves checking physical connections, network configuration, and device settings.
Check physical connections to ensure cables are properly connected and not damaged.
Verify network configuration settings such as baud rate, parity, and address assignments.
Inspect device settings to ensure they match the network configuration and are functioning correctly.
Use diagnostic tools like Profibus analyz...
I applied via LinkedIn and was interviewed in Dec 2024. There were 2 interview rounds.
Good experience in interview
The cable length for PA cables varies depending on the specific application, while the diameter is typically determined by the current carrying capacity and voltage requirements.
Cable length for PA cables can range from a few meters to several hundred meters, depending on the distance between the PA system and the speakers.
The diameter of PA cables is usually determined by the current carrying capacity and voltage requ...
There are two main types of smoke detectors: ionization and photoelectric.
Ionization smoke detectors use a small amount of radioactive material to ionize the air and detect smoke particles.
Photoelectric smoke detectors use a light beam to detect smoke particles in the air.
Dual sensor smoke detectors combine both ionization and photoelectric technologies for more comprehensive detection.
I am open to working from the office as needed for collaboration and team communication.
I believe in the importance of face-to-face interactions for effective communication and teamwork
I am flexible and willing to work from the office when required for project meetings or discussions
I understand the benefits of being physically present in the office for certain tasks or projects
What is relay..who it's work what is conductor tell about plc,scada,hmi
I applied via Naukri.com and was interviewed in Mar 2023. There were 2 interview rounds.
Environment conditions such as temperature, humidity, and cleanliness are crucial for panel installation.
Temperature should be within specified range to prevent damage to components.
Humidity levels should be controlled to avoid condensation and corrosion.
Cleanliness is important to prevent dust and debris from affecting performance.
Proper ventilation is necessary to prevent overheating.
Avoid exposure to direct sunlight...
Restricted Earth Fault is a type of fault in electrical systems where the fault current is limited to a specific section of the system.
Occurs when a fault current flows from a phase conductor to the earth through a restricted path
Usually detected by a relay that monitors the current imbalance between the phase and neutral conductors
Helps in quickly identifying and isolating the fault to prevent damage to equipment and ...
Differential earth fault is a type of fault in electrical systems where the current flowing into and out of the system is not equal due to an earth fault.
Differential earth fault protection is used to detect such faults by comparing the current entering and leaving the system.
It is important for safety as it helps prevent damage to equipment and potential electric shocks.
Examples of differential earth fault protection ...
Transformer insulation class indicates the temperature at which the insulation can operate safely.
Transformer insulation class is denoted by a letter (e.g. A, B, F, H) which corresponds to a maximum allowable temperature rise above ambient.
Higher insulation classes can withstand higher temperatures, providing better protection for the transformer.
Common insulation classes include A (105°C), B (130°C), F (155°C), and H
Implement a scheme using temperature sensors to detect transformer temperature.
Install temperature sensors at key points on the transformer
Set up a monitoring system to continuously track temperature readings
Establish temperature thresholds for alerts and shutdowns
Implement a cooling system to regulate temperature if needed
Voltage levels as per standards vary depending on the application and region, with common levels including 110V, 220V, and 415V.
Voltage levels can vary depending on the application and region
Common residential voltage levels include 110V and 220V
Industrial voltage levels are typically higher, such as 415V
International standards like IEC and ANSI provide guidelines for voltage levels
Molded Case Circuit Breakers (MCCBs) are types of circuit breakers that provide protection against overcurrents.
Thermal-magnetic MCCB: Trips when a current overload or short circuit is detected.
Electronic MCCB: Uses electronic components for more precise and adjustable protection.
Compact MCCB: Smaller in size for limited space installations.
Adjustable MCCB: Allows for manual adjustment of trip settings.
Motor protection...
Factors to consider for lighting calculation include type of space, desired lighting levels, fixture efficiency, and lighting layout.
Type of space (office, warehouse, retail, etc.)
Desired lighting levels (measured in lux or foot-candles)
Fixture efficiency (lumens per watt)
Lighting layout (spacing and placement of fixtures)
Natural lighting sources (windows, skylights)
Color rendering index (CRI) for accurate color repres...
I applied via Naukri.com and was interviewed in May 2024. There was 1 interview round.
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