Polycab Wires Engineer Trainee Interview Questions and Answers

Survey in R.E. refers to the process of collecting data and information about a specific area or site.

• Survey in R.E. involves measuring and mapping the land, identifying boundaries, and assessing topography.

• It helps in understanding the existing conditions of the site and is crucial for planning and designing construction projects.

• Survey techniques include using GPS, total stations, and other instruments to gather accu...read more

Sag is the vertical distance between a conductor's position when it is in tension and its position when it is in a relaxed state.

• Sag is caused by the weight of the conductor and environmental factors such as temperature and wind.

• To minimize sag, conductors can be made of materials with higher tensile strength, or additional support structures like suspension insulators can be used.

• Sag can also be minimized by increasin...read more

Billing for a 1 km line involves calculating the cost based on the length of the line and any additional factors.

• Determine the cost per unit length of the line

• Multiply the cost per unit length by the length of the line to calculate the total billing amount

• Consider any additional factors that may affect the billing, such as taxes or fees

• Provide a detailed breakdown of the billing to the client, including the cost per un

Expectations should be reasonable and aligned with the job responsibilities and company culture.

• Expectations should be clearly communicated by the employer

• Expectations should be achievable and measurable

• Expectations should be reviewed and adjusted regularly

• Expectations should be balanced with work-life balance and employee well-being

• Examples: meeting project deadlines, achieving sales targets, maintaining quality stand

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