Junior Engineer Apprentice Interview Questions and Answers for Freshers

GPS and GSM are both technologies used for communication and tracking. GPS is used for location tracking while GSM is used for communication.

• GPS stands for Global Positioning System and uses satellites to determine the location of an object or person

• GSM stands for Global System for Mobile Communications and is a cellular network used for communication

• GPS is used for location tracking and navigation while GSM is used for communication purposes

• GPS is more accurate than GSM in t...read more

RADAR is a technology that uses radio waves to detect and locate objects.

• RADAR stands for Radio Detection and Ranging.

• It is used in aviation, military, weather forecasting, and navigation.

• Advantages include long-range detection, all-weather capability, and high accuracy.

• Examples of RADAR systems include air traffic control, weather RADAR, and military surveillance RADAR.

A transmission line is a specialized cable or other structure designed to carry electrical signals over long distances with minimal loss.

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

• They are commonly used in telecommunications, power distribution, and networking.

• Examples include coaxial cables, fiber optic cables, and overhead power lines.

A transformer is an electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

• Consists of two or more coils of insulated wire wound around a core

• Primary coil receives electrical energy and induces a magnetic field in the core

• Secondary coil receives energy from the magnetic field and transfers it to the load

• Used to step up or step down voltage in power distribution systems

• Examples include power transformers in substations...read more