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Polycab Wires
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I applied via Campus Placement and was interviewed in May 2022. There were 3 interview rounds.
I applied via Job Portal and was interviewed before Sep 2020. There was 1 interview round.
Cable manufacturing involves several steps including wire drawing, stranding, insulation, and jacketing.
Wire drawing involves pulling metal through a die to reduce its diameter.
Stranding involves twisting multiple wires together to form a cable.
Insulation is added to protect the wires from damage and prevent electrical interference.
Jacketing is the final step where a protective outer layer is added to the cable.
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posted on 7 Jun 2022
I applied via Referral and was interviewed in Dec 2021. There were 2 interview rounds.
Switches are essential components in power electronics that control the flow of electrical energy.
Switches are used to turn on and off the flow of electrical energy in power electronics.
They are used in various applications such as power supplies, motor drives, and inverters.
Common types of switches include MOSFETs, IGBTs, and thyristors.
Switches must be carefully selected based on the specific application requirements...
DC-DC converters are used to convert one DC voltage level to another, commonly used in power supplies and battery-powered devices.
DC-DC converters are used to step up or step down voltage levels
They are commonly used in power supplies for electronic devices
They are also used in battery-powered devices to regulate voltage levels
Examples include buck converters, boost converters, and buck-boost converters
I applied via Campus Placement and was interviewed before Nov 2022. There were 3 interview rounds.
Technical, aptitude, English,Gk
I applied via Walk-in and was interviewed in Oct 2021. There were 3 interview rounds.
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
I applied via Company Website and was interviewed in Nov 2021. There was 1 interview round.
I applied via Company Website and was interviewed in Nov 2021. There was 1 interview round.
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