India Japan Lighting Worker Interview Questions and Answers

Developed a smart irrigation system using IoT technology

• Researched and selected appropriate sensors for monitoring soil moisture levels

• Implemented a microcontroller to control water flow based on sensor data

• Developed a mobile app for users to monitor and control the irrigation system remotely

The name of the used oil in a 100kva transformer.

• The oil used in transformers is typically mineral oil or synthetic oil.

• The oil serves as a coolant and insulator.

• The oil must be tested regularly to ensure it is still effective.

• Common brands of transformer oil include Shell Diala, ExxonMobil, and Chevron.

• The oil must be disposed of properly to avoid environmental damage.

Delta sap is used in pipe earthing to improve the conductivity of the soil.

• Delta sap is a natural extract from plants that contains organic acids and minerals.

• When mixed with soil, it improves the soil's conductivity and reduces its resistance.

• This results in a better grounding system for electrical equipment.

• Delta sap is also environmentally friendly and non-toxic.

• It is a cost-effective solution for improving the perf