Siemens Electrical Maintenance Engineer Interview Questions and Answers

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

• Transformers are used to increase or decrease the voltage in electrical power transmission and distribution systems.

• They consist of two or more coils of wire, known as windings, which are wound around a core made of magnetic material.

• The primary winding receives electrical energy from th...read more

Vibration Analyzer

• Used to detect and diagnose machinery faults by measuring vibration levels

• Helps in identifying the root cause of the problem and preventing breakdowns

• Examples: SKF Microlog, Emerson CSI 2140, Fluke 810

An automatic door opening project using IR sensor.

• IR sensor detects motion and sends signal to microcontroller

• Microcontroller activates motor to open door

• Door closes after a set time or when sensor detects no motion

• Can be used in public places, hospitals, and homes

A circuit is a closed loop of conductive material that allows electricity to flow. A switch is a device that controls the flow of electricity in a circuit.

• A circuit is made up of a power source, conductive material, and a load.

• Electricity flows from the power source through the conductive material and into the load.

• A switch is used to open or close the circuit, controlling the flow of electricity.

• Switches can be manual...read more

MCB is a type of source of electrical energy used for protection against overload and short circuit.

• MCB stands for Miniature Circuit Breaker.

• It is a device that automatically switches off the electrical circuit during abnormal conditions such as overload or short circuit.

• MCBs are commonly used in residential, commercial, and industrial electrical installations.

• They provide protection to electrical equipment and prevent...read more

I am Shri ram singh form allahabad uttar pradesh 

I am complited Diploma in electrical engineering fresher about quelifection 10+2

Job tellyi electrical mintenese