Bharti Infratel Interview Questions and Answers

DG (Diesel Generator) has several key components that work together to generate electricity efficiently.

• 1. Engine: The core component that converts fuel into mechanical energy. Example: A 4-stroke diesel engine.

• 2. Alternator: Converts mechanical energy from the engine into electrical energy. Example: Synchronous alternators.

• 3. Fuel System: Stores and supplies fuel to the engine. Example: Fuel tanks and pumps.

• 4. Cooling...read more

DG ka automission setting is crucial for optimal performance and safety in tower operations.

• Setting should be based on load requirements; for example, a 100 kVA DG set may need a specific voltage setting.

• Regular checks on fuel levels and oil pressure are essential to ensure proper functioning.

• Automission settings should align with local regulations to avoid penalties; for instance, emissions standards.

• Consider environm...read more

Battery bank charging for DG should ideally be maintained at 0/0 for optimal performance and longevity.

• Charging voltage should be set according to battery specifications, typically around 13.5V to 14.5V for lead-acid batteries.

• Ensure the charging current is appropriate; for example, a 100Ah battery should ideally charge at 10A.

• Regularly check the specific gravity of the electrolyte to ensure proper charging.

• Monitor tem...read more

DG (Diesel Generator) service should be performed regularly to ensure optimal performance and reliability.

• Typically, DG service is recommended every 250 hours of operation.

• Regular checks include oil changes, filter replacements, and coolant levels.

• For example, if a DG runs 8 hours daily, service would be due approximately every month.

• In critical applications, more frequent checks may be necessary, such as every 100 hou...read more

Site load calculation involves assessing power requirements for equipment and ensuring adequate supply for operations.

• Identify all equipment and devices on site, e.g., antennas, amplifiers, and cooling systems.

• Determine the power rating of each device, typically in watts or kilowatts.

• Calculate total load by summing the power ratings of all devices.

• Consider peak load scenarios, e.g., during maintenance or extreme weathe...read more