Electrical Power Engineering Multiple Choice Questions and Answers / Multiple Choice Questions and Answers

Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 9

Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 9: 402. Desired illumination level on the working plane depends upon (a) age group of observers. (b) whether the object is stationary or moving. (c)…

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March 29, 2023

Control Systems / Electronic Instrumentation

DC Inputs

DC Inputs: The, dc inputs modules commonly available will work with 5, 12, 24 and 48 volts. The DC Inputs modules allow us to connect either PNP (sourcing) or NPN (sinking) transistor type devices to them.…

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September 23, 2017

Introduction to Modern Power System / Modern Power System

Energy Conservation Methods

Energy Conservation Methods: Energy Conservation Methods is the cheapest new source of energy. We should resort to various conservation measures such as cogeneration (discussed earlier), and use energy efficient motors to avoid wasteful electric uses.…

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October 10, 2015

Electronic Devices and Circuits / Small Signal Amplifiers

Differential Amplifier Circuit using Transistors

Differential Amplifier Circuit using Transistors: The Differential Amplifier Circuit using Transistors is widely applied in integrated circuitry, because it has both good bias stability and good voltage gain without the use of large bypass capacitors.…

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February 23, 2019

Electrical Power Engineering Interview Questions and Answers / Interview Questions and Answers

Control Devices for Industrial Motors Interview Questions and Answers

Control Devices for Industrial Motors Interview Questions and Answers: 1. What are the two main applications of a thyratron ? Ans. Two main applications of thyratron are (i) switching and (ii) rectification. 2. Why is…

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March 17, 2023

Principles of Power System / Underground Cables in Power System

Underground Cables

Underground Cables: Electric power can be transmitted or distributed either by overhead system or by underground cables. The underground cables have several advantages such as less liable to damage through storms or lightning, low maintenance cost,…

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May 28, 2018

Interview Questions and Answers

Power System Operation and Control Interview Questions and Answers

Power System Operation and Control Interview Questions and Answers: Following are the below Power System Operation and Control Interview Questions and Answers, Power System Operation and Control Important Questions and Answers 1. Define the term…

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March 22, 2025

Electronics Engineering / Semiconductor Physics

Elemental Semiconductor Materials

Elemental Semiconductor Materials: Group IV includes five elements viz., Carbon (C), Silicon (Si), Germanium (Ge), Tin (Sn) and lead (Pb). The elements of this subgroup show marked similarity as well as gradation in properties with…

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June 29, 2022

Electrical Machines / Motor Control

Phase Control of Three Phase Induction Motor

Phase Control of Three Phase Induction Motor: Figure 11.44 shows the schematic representation of Phase Control of Three Phase Induction Motor. Two thyristors are connected in antiparallel in each line. The firing sequence of the…

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November 3, 2016

Electronics Engineering / OP-AMP with Negative Feedback

Op Amp Differential Amplifier Circuit Diagram and its Operation

Op Amp Differential Amplifier Circuit Diagram and its Operation: An ideal difference amplifier amplifies only the difference between two signals; it rejects any common signals to the two input terminals. For instance, a microphone system…

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December 12, 2022