Saint Gobain Sekurit India Electrician Technician Interview Questions and Answers

Tube light diagram shows the components of a fluorescent light fixture. Star delta diagram is used for motor starting. 3 phase voltage is typically 415V, single phase voltage is 230V.

• Tube light diagram includes components like starter, choke, and fluorescent tube.

• Star delta diagram is used for starting induction motors to reduce starting current.

• 3 phase voltage is usually 415V in industrial settings.

• Single phase voltag

A 3 phase electrical system consists of three conductors carrying alternating current with a phase difference of 120 degrees.

• Consists of three conductors carrying alternating current

• Phases are 120 degrees apart

• Commonly used in industrial and commercial applications

Earthing is an important safety measure in electrical systems.

• Earthing provides a path for fault current to flow safely to the ground.

• There are different types of earthing systems such as TN, TT, and IT.

• The number of earthing points depends on the type of system and the size of the installation.

• For example, a small domestic installation may have one earth rod, while a large industrial installation may have multiple ear...read more

The five types of earthing are: plate earthing, pipe earthing, rod earthing, strip earthing, and water pipe earthing.

• Plate earthing involves burying a metal plate in the ground and connecting it to the electrical system.

• Pipe earthing uses a metal pipe driven into the ground and connected to the electrical system.

• Rod earthing utilizes a metal rod driven into the ground and connected to the electrical system.

• Strip earthi...read more

AC drive installation system involves the setup and configuration of AC drives for various electrical applications.

• AC drive installation requires knowledge of electrical circuits and wiring.

• Proper grounding and insulation are crucial for safe and efficient operation.

• Installation involves connecting the AC drive to the power supply and the motor.

• Configuring the drive parameters and programming the control system is nece...read more

DC drive installation system involves the setup and configuration of DC drives for electrical systems.

• DC drive installation requires knowledge of electrical circuits and components.

• Proper wiring and connections are crucial for the safe and efficient operation of DC drives.

• Understanding the specifications and requirements of the DC drive is essential.

• Testing and troubleshooting skills are necessary to ensure the DC driv...read more