Godrej Properties Electrical Supervisor Interview Questions and Answers

Ampere (amp) is the unit of electric current, representing the flow of electric charge in a circuit.

• 1 ampere equals one coulomb of charge passing through a point in a circuit per second.

• Used to measure the flow of electricity in wires and devices.

• Example: A typical light bulb may use 0.5 to 1 ampere of current.

• In household circuits, standard outlets typically provide 15 or 20 amperes.

DG transfer refers to the process of switching power supply from the main grid to a diesel generator during outages.

• DG transfer is crucial for maintaining power supply during outages.

• It involves automatic or manual switching to a diesel generator.

• For example, in hospitals, DG transfer ensures uninterrupted power for critical equipment.

• There are two types: automatic transfer switch (ATS) and manual transfer switch (MTS)...read more

There are several types of earthing including plate earthing, pipe earthing, rod earthing, strip earthing, and water pipe earthing.

• Plate earthing involves burying a plate made of copper or galvanized iron in the ground.

• Pipe earthing uses a pipe made of galvanized iron to provide a low resistance path to the ground.

• Rod earthing involves driving a metal rod into the ground to provide a connection for earthing.

• Strip earth...read more