Electronics and Electrical Engineer

Electronics and Electrical Engineer Interview Questions and Answers for Freshers

Updated 26 Sep 2024

Q1. What is plc and what is Inverter and how to control machine internal equipment work and to check plc input and output and how to found of components fault etc.

Ans.

PLC is a programmable logic controller used to control industrial processes. Inverter is an electronic device used to control the speed of AC motors.

  • PLC is used to automate industrial processes by controlling the input and output signals of machines.

  • Inverter is used to control the speed of AC motors by adjusting the frequency of the power supplied to the motor.

  • To check PLC input and output, use a multimeter to measure the voltage and current signals.

  • To find component faults, ...read more

Q2. What unit of power

Ans.

The unit of power is the watt (W).

  • Power is measured in watts (W)

  • 1 watt is equal to 1 joule per second

  • Common examples: light bulbs (e.g. 60W), electrical appliances, motors

  • Power can also be measured in kilowatts (kW) for larger values

Q3. The unit of Watt

Ans.

The unit of Watt is a measure of power in the International System of Units (SI).

  • Watt is named after James Watt, the inventor of the steam engine.

  • It is equivalent to one joule per second.

  • Common examples of power usage in watts include light bulbs, appliances, and electronic devices.

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