Jai Balaji Group Associate Manager Interview Questions and Answers

LRSS is used for starting the high tension motor in a controlled manner.

• LRSS stands for Line Reactor Soft Starter.

• It is used to reduce the starting current and torque in high tension motors.

• Helps in preventing mechanical shocks and electrical disturbances during motor start-up.

• Improves the lifespan of the motor by providing a smooth start.

• Example: LRSS is commonly used in industries where large motors are required to s

4 quadrant operation of VFD refers to the ability of a variable frequency drive to control the speed and direction of a motor in both forward and reverse directions.

• Allows the VFD to control the motor speed and direction in all four quadrants of the speed-torque curve

• Quadrant 1: Forward motoring

• Quadrant 2: Reverse motoring

• Quadrant 3: Regenerative braking

• Quadrant 4: Regenerative braking in reverse direction

The procedure of steel pipe laying involves several steps to ensure proper installation and safety.

• Survey the area to determine the route and location of the pipeline

• Excavate the trench to the required depth and width

• Lay the pipe in the trench and connect the sections using welding or other methods

• Backfill the trench and compact the soil to prevent settling

• Test the pipeline for leaks and pressure

• Install any necessary v...read more

Integrity of steel pipeline is crucial for safety and reliability of transportation of fluids or gases.

• Regular inspection and maintenance of the pipeline is necessary to ensure its integrity.

• Use of high-quality steel and proper welding techniques during construction is important.

• Monitoring of pressure and temperature inside the pipeline can help detect any potential issues.

• Implementation of safety measures such as emer...read more