Recpdcl.ltd Assistant Project Engineer Interview Questions and Answers

A transformer is an electrical device that transfers electrical energy from one circuit to another through electromagnetic induction.

• Transformers work on the principle of electromagnetic induction

• They are used to increase or decrease the voltage of an alternating current (AC) power supply

• Consists of two coils of wire, primary and secondary, wrapped around a magnetic core

• When AC current flows through the primary coil, i...read more

A transmission line is a specialized cable designed to carry high-frequency electrical signals with minimal loss of energy.

• Transmission lines are used to transmit electrical energy from one point to another.

• They are commonly used in power grids to transport electricity over long distances.

• Transmission lines can be made of various materials such as copper, aluminum, or fiber optic cables.

• The performance of a transmissio...read more

There are various types of motors such as AC, DC, stepper, servo, and linear motors.

• AC motors are commonly used in household appliances and industrial machinery.

• DC motors are used in electric vehicles, robotics, and small household appliances.

• Stepper motors are used in printers, scanners, and CNC machines.

• Servo motors are used in robotics, automation, and aerospace industry.

• Linear motors are used in high-speed trains,