Elite Powertech Interview Questions and Answers

Testing of transformers involves various electrical and mechanical tests to ensure their performance and safety.

• Transformers are tested for their electrical parameters such as voltage ratio, impedance, and insulation resistance.

• Mechanical tests include checking for proper winding alignment, core tightness, and oil leakage.

• Other tests include temperature rise, short circuit, and impulse tests to assess the transformer's...read more

Testing of Circuit

• Testing of a circuit involves verifying its functionality and performance

• Various types of tests are conducted, such as functional testing, performance testing, and safety testing

• Testing can be done using specialized equipment like multimeters, oscilloscopes, and signal generators

• Test results are analyzed to identify any issues or faults in the circuit

• Examples of circuit testing include checking voltag...read more

The order of breaker operation depends on system design, safety protocols, and operational procedures.

• Always follow the manufacturer's guidelines for breaker operation.

• In a multi-breaker system, operate the upstream breaker first to isolate the section safely.

• For maintenance, de-energize the load side breaker before the supply side breaker.

• Example: In a substation, open the circuit breaker connected to the load before ...read more

WT, or weight, measures the force exerted by gravity on an object, crucial in various engineering applications.

• WT is commonly used in structural engineering to determine load-bearing capacities.

• In mechanical systems, WT helps in calculating the forces acting on components.

• Example: In a crane operation, knowing the WT of the load is essential for safe lifting.

• WT is also important in material selection to ensure stabilit...read more

Protection of equipment and relay is crucial for ensuring the safety and functionality of electrical systems.

• Relays are devices that automatically operate to isolate a faulty section of an electrical system.

• Proper coordination of relays is essential to ensure that the correct relay operates in case of a fault.

• Regular maintenance and testing of relays is necessary to ensure they function correctly when needed.

• Overcurren...read more