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DC Potentiometer Working Principle, Construction, Applications & Measurements of Various Parameters

DC Potentiometer    A DC Potentiometer is used for the measurement of EMFs of different cells and for calibrating the voltmeters, ammeters, wattmeters, etc. These potentiometers consist of a germen silver or manganin wire. … Read more

Vibration Galvanometer – Types – Working Principle – Construction – Theory 

Vibration Galvanometer Vibration galvanometers are the ac galvanometers used to measure alternating current and electromotive force (EMF) of various circuits. These galvanometers are also used as tuned detectors in the power frequency and low … Read more

Vibrating-reed Frequency Meter – Working – Construction – Range – Advantages – Disadvantages

Vibrating-reed Frequency Meter A vibrating-reed frequency meter is measuring instrument which is used to measure the frequency of various electric circuits. It consists of 7 vibrating reeds and each vibrating … Read more

Moving Iron Frequency Meter, Working Principle, Construction – Working – Range 

Moving Iron Frequency Meter Moving iron frequency meters are the meters in which the two coils are fixed and a moving iron is attached to … Read more

Electrodynamic Frequency Meter – Working – Construction – Range – Advantages – Disadvantages

Electrodynamic Frequency Meter Electrodynamic frequency meters/moving coil frequency meters are ratiometer types of instruments. These meters are used to measure the frequency of high voltage ranges … Read more

Electrodynamic Power Factor Meter – Single Phase and Three Phase Power Factor Meter

Electrodynamic Power Factor Meter                   In electrodynamic power factor meters, we should have knowledge about what is the Power Factor. The is … Read more

Current Transformer (CT) Working Principle, Construction, Types of Current Transformer | Theory of Current Transformer Applications of Current Transformer & Errors in Current Transformer

Current Transformer (CT) A current transformer is an electrical device that is used for the measurement of electric current and power of transmission and distribution lines. CTs are mostly used … Read more

Moving-iron Power Factor Meter, Construction, Working, Advantages & Disadvantages | moving iron instrument

Moving-iron Power Factor Meter Moving Iron Power Factor meters are three-phase power factor meters. These power factor meters consist of a moving iron pointer. It consists … Read more

Nalder Lipman Moving iron Power Factor Meter, Construction, Working

Nalder Lipman Moving-iron Power Factor Meter Nalder Lipman Moving-iron Power Factor Meters are more efficient in working as compared to electrodynamic power factor meters. These power factor … Read more

Potential Transformer  Construction, Working, Theory – Phasor Diagram, Errors Characteristics

what is the potential transformer? A potential transformer (PT), also known as a voltage transformer (VT), is a type of instrument transformer used in electrical … Read more

Single Phase transformer Diagram, Working Principle And Applications | E.M.F equation of a transformer, No load Condition & On load Condition

Single phase transformer The basic theory of a transformer is not difficult to understand. To simplify matters as much as possible, let us first consider an ideal … Read more

Vector groups of transformer | Application of Transformer According to Vector Group

Vector groups of transformer | vector group in transformer Vector groups identify the winding connections and polarities of the primary and secondary. From a vector … Read more

Three Methods Of Compounding In Steam Turbines | Steam Turbine | Compounding Of Steam Turbine

What Is Meant By Compounding Of Turbine? types, Advantages Of Compounding Compounding of a turbine refers to the process of using multiple stages of turbine … Read more

What are different types of data warehouse models, from the architecture point of view?

Discussion in brief various types of the data warehouse. From an architecture point of view, there are three data warehouse models. They are as follows … Read more

NITRIC ACID Production Process | process for the commercial production of nitric acid

Properties of NITRIC ACID 1. Appearance Colorless to yellowish liquid2. Odour Suffocating, acrid3. Solubility Infinitely soluble4. Molecular weight 63.0135. Boiling point 86°C6. Viscosity 1.62cp7.  Density … Read more

Study of Hysteresis of Control Valve | Study of Inherent Characteristics of Control Valve | Control Valve Flow Characteristics

Description of hysteresis study of equal % control valve and linear control valve using experimental setup: The setup should contain two control valves with pneumatic … Read more

Digital Electronics | Advantages And Disadvantages Of Digital Electronic | Digital Circuit

Digital Electronics In simple language, the branch of electronics that deals with digital circuits are called digital electronics. A continuously varying signal voltage or current is called an … Read more

Transformer Testing (Ratio Test and vector group test) | Vector Group Test of Power Transformer

Types Of Transformer Testing part-1 Introduction: There is various Test required on the Transformer to confirm its performance of the Transformer. Mainly two types of … Read more

Dynamometer Type Three-Phase Wattmeter | 3-Phase Electrodynamometer Wattmeter – Construction, Working & Shape of Scale

Dynamometer Type Three-Phase Wattmeter •    A dynamometer-type three-phase wattmeter consists of two separate wattmeter movements mounted together in one case with the two moving coils … Read more

What is a virtual data warehouse?

A virtual warehouse is a set of views over an operational database For efficient query processing, only some of the possible summaries may be materialized. … Read more

What is motivated Data Mining? Why is it important?

Ans. Data mining has attracted a great deal of attention in the information industry and in society as a whole in recent years, due to … Read more

Write a short note on multiway array aggregate for All cube computation.

The multiway. array aggregation or simply MultiWay method computes a full data cube by using a multidimensional array as its basic data structure. It is … Read more

Distillation Column Diagram | EFFECT IN TOWERS AND COLUMNS | What is a Distillation Column

A simple CAD diagram of a distillation column can explain how to draw the column for a basic calculation of the mechanical design of the structure, it … Read more

What are the various steps involved in the design and construction of a data warehouse?

From the software engineering point of view, the design and construction of a data warehouse may consist of the following steps: planning, requirements study, problem … Read more

DC Machines – Types of DC motor | Dc motors and their types

Dc machine-types of dc motor  Dc motor presentations Machines-types of dc motor Construction of a Dc machine consist of main two parts. Stationary part- It is designed mainly for producing … Read more

Operating Procedure for Liquid-Liquid Extraction in Packed Column

Liquid-liquid extraction, familiarly called solvent extraction is a unit operation that involves the liquid-liquid contact method. It is based on the principle of separation of … Read more

Discuss major issues in data mining.

Major issues in data mining are as follows (i) Mining Methodology and User Interaction Issues— These reflect the kinds, of knowledge mined, the ability to … Read more

Explain the various classifications of the Data Mining System.

Data mining is an interdisciplinary field, the confluence of a set of disciplines, including database systems, statistics, machine learning, visualization, and information science. Because of … Read more

Ammonium Sulphate Production from Coke oven gas containing Ammonia when reacted with Sulphuric acid

Coke oven gas with a pressure of 2500 mm WC from the exhauster is fed to ASP. Ammonia present in co-gas is recovered in ASP … Read more

LIMITATIONS OF LC AND RC OSCILLATORS

What is an LC circuit? LC circuit is a key component in many electronic devices, such as oscillators and filters that helps to generate oscillations. … Read more

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