HTL Electrical Engineer Interview Questions and Answers

A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction. Protection of transformer involves measures to prevent damage to the transformer due to various factors.

• Transformers are used to step up or step down voltage levels in power transmission and distribution systems.

• They consist of two coils, primary and secondary, wound around a common magn...read more

The question is about types of sensors, motors, dol starter, and star delta working.

• Types of sensors include temperature, pressure, proximity, and motion sensors.

• Types of motors include AC motors, DC motors, stepper motors, and servo motors.

• DOL starter is a direct online starter used to start and stop motors.

• Star delta starter is used to reduce the starting current of a motor.

• Star delta working involves starting a moto...read more