NBC Bearings Electrician Interview Questions, Process, and Tips for Freshers

Q1. Electricity and its fundamental
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Electricity is a form of energy resulting from the movement of charged particles.
• Electricity is the flow of electrons through a conductor.

• It can be generated through various means such as chemical reactions, electromagnetic induction, and solar power.

• Electricity has many practical applications such as lighting, heating, and powering electronic devices.

• It is important to understand the fundamentals of electricity in ord
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Q2. Conductors insulator and semiconductors
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Q3. Chemical effect of electric current
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Electric current can cause chemical changes in substances it passes through.
• Electric current can cause electrolysis, which is the breakdown of a substance into its constituent elements or ions.

• This can be seen in the process of electroplating, where a metal is deposited onto a surface by passing an electric current through a solution containing ions of the metal.

• Electric current can also cause corrosion, as seen in the...read more
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Q4. Electrical measuring instruments
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Q5. DC motors DC generator
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Q6. Transformer alternators
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Q7. Three phase inductions motors
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Q8. Safety devices and wiring systems
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Q9. Digital electronics and earthing
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Q10. Work power and energy
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Q11. Tools for electricians
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Electricians require a variety of tools to perform their job effectively.
• Basic hand tools such as pliers, screwdrivers, wire strippers, and wrenches

• Power tools such as drills, saws, and grinders

• Testing equipment such as multimeters and voltage testers

• Safety equipment such as gloves, safety glasses, and hard hats

• Specialized tools such as conduit benders and fish tapes

• Examples of brands include Klein Tools, Milwaukee, an
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Q12. General electrical accessories use in wiring
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General electrical accessories include switches, outlets, dimmers, and junction boxes.
• Switches control the flow of electricity to a circuit or device.

• Outlets provide a point of connection for electrical devices.

• Dimmers allow for adjustable lighting levels.

• Junction boxes are used to connect and protect wires.

• Other accessories include circuit breakers, fuses, and wire connectors.
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Q13. Capacitors and basics
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Conductor insulator and semiconductor