Neel Metal Products Electrical Maintenance Technician Interview Questions and Answers

Electricity is the flow of electric charge through a conductor.

• Electricity is the flow of electrons through a conductor.

• It is a form of energy that powers electrical devices.

• Electricity can be generated from various sources such as coal, wind, solar, etc.

• It is essential for modern society and is used in various applications like lighting, heating, and transportation.

Electric motors can be classified into various types based on their construction and operation.

• Types of electric motors include DC motors, AC motors, synchronous motors, asynchronous motors, brushed motors, brushless motors, etc.

• DC motors operate on direct current and are commonly used in applications like electric vehicles and robotics.

• AC motors operate on alternating current and are widely used in household appliance...read more

MCB stands for Miniature Circuit Breaker, used for electrical protection in homes and buildings.

• MCB is a type of circuit breaker that automatically switches off electrical circuits during abnormal conditions.

• It is commonly used in homes, buildings, and electrical panels to protect against overcurrent and short circuits.

• MCBs come in different ratings such as 6A, 10A, 16A, etc., to suit different electrical loads.

• They ar...read more

RCCB stands for Residual Current Circuit Breaker. It is used in electrical systems to protect against electric shock and fire hazards.

• RCCB is a type of circuit breaker that detects imbalances in the electrical current flowing through a circuit.

• It quickly disconnects the power supply when it detects a leakage current, which could indicate a fault or electric shock hazard.

• RCCBs are commonly used in residential, commercia...read more

There are different types of earthing such as TN, TT, and IT. The voltage of earthing can vary depending on the type of earthing system.

• Types of earthing include TN, TT, and IT

• TN system has a voltage of 230V to earth

• TT system has a voltage of 400V to earth

• IT system has a voltage of 400V to earth

MCB stands for Miniature Circuit Breaker, which is an electrical switch designed to protect electrical circuits from damage caused by overload or short circuit.

• MCB is a type of circuit breaker that automatically switches off the electrical circuit when it detects an overload or short circuit.

• It is commonly used in residential and commercial buildings to protect electrical appliances and wiring.

• MCBs have a trip mechanis...read more

A motor is a device that converts electrical energy into mechanical energy to produce motion.

• Motors can be found in various applications such as industrial machinery, household appliances, and vehicles.

• There are different types of motors including AC motors, DC motors, and servo motors.

• Motors consist of a rotor, stator, and various components such as coils, magnets, and brushes.

• Common examples of motors include electri