ITD Cementation India Electrical Maintenance Engineer Interview Questions and Answers

Electric current is the flow of electric charge. MCB is a safety device that automatically switches off the electrical circuit. There are different types of short circuits.

• Electric current is the movement of electrons through a conductor.

• MCB stands for Miniature Circuit Breaker and is used to protect electrical circuits from damage caused by overload or short circuit.

• Short circuits occur when there is an unintended con...read more

CKT is circuit, current is flow of electrons, resistance is opposition to flow, voltage is electrical potential difference.

• CKT stands for circuit which is a closed loop through which electricity flows

• Current is the flow of electrons in a circuit and is measured in amperes (A)

• Resistance is the opposition to the flow of current and is measured in ohms (Ω)

• Voltage is the electrical potential difference between two points i...read more

Power is the rate at which energy is transferred. Relays are used to control high power circuits with low power signals.

• Power is measured in watts and is the product of voltage and current

• Relays are used to isolate high power circuits from low power control circuits

• Relays can also be used to switch multiple circuits with a single control signal

• Examples of relay applications include motor control, lighting control, and

Current is the flow of electric charge, while voltage is the measure of electric potential difference.

• Current is measured in amperes (A) and is the rate of flow of electric charge.

• Voltage is measured in volts (V) and is the measure of electric potential difference.

• Ohm's law relates current, voltage, and resistance: I = V/R.

• Current flows from high potential to low potential, while voltage is the difference in potential ...read more

AC and DC are two types of electrical current. AC changes direction periodically while DC flows in one direction only.

• AC stands for Alternating Current while DC stands for Direct Current

• AC changes direction periodically while DC flows in one direction only

• AC is used for power transmission over long distances while DC is used for electronic devices

• AC voltage can be easily changed using a transformer while DC voltage can...read more

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