In this post provide you latest and updated 2019 2020 electrical mcq objective questions with answer which are help for preparation all electrical engineering exams like gate, ies, jto, psus, rrb jeaen, rrb loco pilot and technicians, ssc je, dmrc, lmrc, isro and other state level engineering exams. Basic electrical engineering first year engineering duration. It is measured across an electrical circuit element or branch of a circuit. The magnitude of one of the quantity is unknown, and it is compared with the predefined value. There are several advantages of traditional electromechanical instruments.
It also deals with the measurement of rlc parameters voltage, current power factor, power, energy and magnetic measurements. But before proceeding further, it good to refresh the definitions and terms used in measurements, instruments. In addition, the student should learn how to record. Apr 18, 2018 which website is best for downloading electrical and electronics engineering books. If the instruments can measure the basic electrical quantities, such as voltage and current are known as basic measuring instruments. Bridges, magneti c measuremen ts, oscilloscopes, digital meters. These instruments are so constructed that the deflection of such instruments gives the magnitude of the electrical quantity to be measured directly. Electrical engineering objective questions mcq with answer.
Both signal generation signal generators, power supplies and signal measurement multimeters, scopes instruments are nonideal. Below are some examples of how the instruments themselves change our measurements. This instrument can be used for the measurement of voltage, current and power. Jul 07, 2017 instrumentation and measurements by ak sahwney ad puneet sawhney. Stop watches are also used to measure time in some sports. In this article we will discuss only types of electrical measuring instruments. Electrical measurement and measuring instruments, emmi study materials, engineering class handwritten notes, exam notes, previous year questions, pdf free download. The instrument is used for monitoring, measuring and recording measurements of electric quantities of electrical power distribution system. It is unfortunate that an electrical system normally depends upon a mechanical meter movement as indicating device. The electrical circuits laboratory ii is designed to provide the student with the knowledge to use basic measuring instruments and techniques with pro ciency. Electrical and electronics measurements and instrumentation. Which website is best for downloading electrical and electronics engineering books. Practically, electrical measurement is a comparison between actual measurement value and standard value.
Measuring methods and measuring instruments were developed in parallel with the development of electrical engineering. The corrective measures employed to eliminate or to reduce. For highly accurate measurement of time an atomic clock is used. May 5, 2019 electrical measurements and measuring instruments1. Sep 11, 2018 10 measuring instruments and their uses in engineering workshop pdf by mohammed shafi september 11, 2018 april 5, 2020 measuring instruments plays a vital role in the engineering workshop. Which book is the best for electrical measurement and. To accurately model our systems, we must take nonidealities into account. Electrical methods of indicating the output of the detectors are more rapid than mechanical methods. Below is the list of measuring instruments used in electrical and electronic work. How can i download the basic electrical engineering book by s. However, some physical laws were derived based on measurement results, such as the biotsavart. Engineering metrology is restricted to the measurement of length, angles and other. Electrical measurements course introduces the basic principles of all measuring instruments. In the past, a common time measuring instrument was the sundial.
Electrical engineering objective questions mcq with answer free pdf download. Important measuring instruments multiple choice questions. Apr 14, 2020 here, i am describing the major concepts of electrical measuring instruments in detail. These instruments are used principally for measuring basic parameters such as current, voltage, resistance, and. Derivation of impedance iv phase relationship obtained through timedomain analysis voltage division given a voltage divider circuit, there are two methods for solving for the output voltage.
The term measurement means the comparison between the two quantities of the same unit. Bakshi measurements and measurement systems units and standards of measurements errors in measurements and their analysis measuring system fundamentals analog ammeters and voltmeters extension of instrument range analog measurement. Electrical measuring instruments types accuracy precision. Different types of errors in electrical measuring instruments. These instruments are most widely used in engineering practice because they are simple and inexpensive. Classification of measuring instruments electrical. Mcq on measuring instruments 1 how engineering works. We always try to bring out quality notes for free and for the sake of students who are. Classification of measuring instruments the instrument used for measuring the physical and electrical quantities is known as the measuring instrument.
Today, the usual measuring instruments for time are clocks and watches. In this page you can learn various important measuring instruments multiple choice questions answers,mcq on electrical measuring instruments with answers,mcq on instrumentation and measurement,sloved electrical measuring instruments objective questions answers, instrumentation multiple choice questions answers etc. Classification of electrical instruments electrical. Where can i download rk rajput for electrical engineering. The difference between the pmmc and dynamometer type instrument is that the permanent magnet is replaced by an electromagnet. Electrical measurements and measuring instruments1. Sep 03, 2014 109 top measurement and instrumentation electrical engineering multiple choice questions and answers latest measurement and instrumentation questions and answers list 1. A course in electronic measurements and instrumentation by a. Multimeters and other simple analog instruments can measure ac voltages by rectifying them over one or more diodes before measuring the resulting dc voltage. These instruments converts the energy of the measured quantity directly into energy that actuates the instrument and the value of the unknown quantity is measured or displayed or recorded directly. Youll find lots of equipments for monitoring, analysis. List of electrical and electronic measuring equipment.
Electrical measuring instruments definitions, types. Instrumentation and measurement multiple choice questions. K a bakshi measuring instruments, instrument transformers and power factor meters, measurement of power, measurement of energy, potentiometers, d. Instrumentation and measurement in electrical engineering.
Linear measuring instruments are divided into 4 types which are based on the utility. I lecture on electrical measurements to students of electrical engineering, robotics and informatics. Mcq on electrical instrumentation and measurement multiple choice questions and answers on measurement and instrumentation mcqs questions quiz on electrical measuring instruments objective questions with answers question bank for test in pdf for competitive and entrance exams written test skills for job interviews and admissions in colleges and technical universities. To watch complete measurement course and all electrical eng. Electrical instruments measure the various electrical quantities like electrical power factor, power, voltage and. Current, i, results from the flux of charged particles. All the other notes which are available in the internet with the name made easy electrical notes are mostly fake and are normal classroom notes of some college. These may be effects of temperature pressure, humidity, dust, vibrations or of external magnetic or electrostatic fields. These techniques are designed to complement the concepts introduced in ece 2620. K a bakshi measuring instrumen ts, instrume nt transformers and power factor meters, measureme nt of power, measureme nt o f ener gy, potentiometers, d.
In this post we will discuss about classification of electrical instruments. At the moment we provide about 500 different types and models of high quality measuring instruments to do tests and analysis of various physical, electrical, chemical and other parameters. Here, i am describing the major concepts of electrical measuring instruments in detail. However, some physical laws were derived based on measurement results, such as the biotsavart law, when in 1820, the french scientists jeanbaptiste biot and felix savart established the relation. Graduates in electrical ormechanical engineering or any of the physical sciencesare taught the essential disciplines of measurement science to enable them to design electronic measuring. Pdf a course in electronic measurements and instrumentation. Bakshi measuremen ts an d measureme nt systems units and standards o f measuremen ts errors i n measuremen ts and their analysi s measuri ng system fundamentals analog ammeters and voltmeters extension o f instrume nt range analo g measureme nt of power and wattmater s measureme nt o f ener gy an d ener gy meter s measureme nt of speedfrequency and power facto r measureme nt of resistance potentiometer ac bridges magneti c measuremen ts. Before starting any electrical or electronics device installations or studying electrical practical, we should know about the measurements and its measuring instruments. Electrical measurements viva questions and answers pdf electrical measurements lab viva questions with answers electrical measurements viva questions skip to content engineering interview questions,mcqs,objective questions,class notes,seminor topics,lab viva pdf free download. Subject in a descriptive manner with previous year gate questions discussed content whole syllabus of measurement for gate and ies. The instruments used to measure any quantity are known as measuring instruments. Pdf electronic and electrical measuring instruments. It is essential for students specializing in electrical and electronic engineering.
Linear measuring instruments are used for the measure the straight surfaces of substances. These instruments calculate or measure the value of electrical quantities current, voltage, resistance, electric p ower. Engineering measurements and measuring instruments. Instrumentation and measurements by ak sahwney ad puneet sawhney. Classification of electrical instruments electrical tutorials. Apr 09, 2017 to watch complete measurement course and all electrical eng.
Mar 15, 2020 basically there are three types of measuring instruments and they are electrical measuring instruments mechanical measuring instruments. Download pdf of electrical measurement and measuring instruments note electrical and electronics engineering offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf free download. This basic knowledge will help you throughout your electrical and electronics engineering. The book is divided into two parts that explain the topics measurements and instrumentation. Read book electrical measuring instrument multiple question answer electrical measuring instrument multiple question answer electrical measuring instrument multiple question multiple choice questions mcq on measurement and instrumentation for electrical engineering.
Creeping in energy metre implies a slow rotation of rotor with only voltage coil excited. Where can i download a pdf of electrical power systems by c. To ensure that controlling torque is proportional to the angle of deflection, the spring should. Electronics and electrical measuring instruments and their. You can find here about tools and instruments used for measurement of. For measuring an unknown electrical quantity, select the meter with a. Instrumentation and measurement multiple choice questions and.
Classification of measuring instruments circuit globe. Electrical measurement and measuring instruments emmi. Design, manufacturing and testing of gauges of all kinds. Lecture notes in electrical measurements for ee students. N singh in pdf format for free, as it is being sold on different sites. Electrical measurement and measuring instruments note pdf. Voltmeters extension of instrument range analog measurement of power. Jul 20, 2014 electrical measuring instruments definitions, types. Electrical measuring instrument multiple question answer.
Classification of measuring instruments instrumentation and. These instruments are used as standards in labs and institution. These instruments required to calibrated with respect to the standard instrument. Electrical measurement and measuring instruments emmi study. Essentials of indicating instruments as defined above, indicating instruments are those which indicate the value of the quantity that is being measured at the time at which it is measured. Measurement followed man from the very beginning of its development. Principles of electrical measurement by slawomir tumanski. Basic electrical engineering pdf notes bee pdf notes. The measurement of flow in an acid plant is important for the control of the process and for troubleshooting problems that may occur. Electrical measurements and measuring instruments 1949. Engineering measurements and measuring instruments home. Measurement and instruments objective questions and answers pdf free download.
According to application, instruments are classified as. Electrical voltage and current are two important quantities in an electrical network. Ammeter, voltmeter, ohmmeter, and wattmeter are the example of the electrical measuring instrument. Be able to perform simple electrical measurements of voltage, current, and resistance, as well as more sophisticated, scientific electrical measurements, master handheld and more accurate stationary multimeters and understand their differences, have some knowledge of use of ac signals, ac generators, and an oscilloscope. Which of the following meter is an integrating type instrument. Here we are interested in electrical measuring instruments so we will discuss about them in detail.
We can classify the basic measuring instruments into the following two types. Lecture notes in electrical measurements for ee students eep. Working principle, construction, formula, application and more in this post, you learn about the sine bar and its working principle, its construction, formula, reading, applications and more. To tell the truth i could not find a suitable book on the whole subject and therefore i decided to write one myself.
Measuring instruments, measurement instruments, test equipment, measuring tools, measurement, hand held equipment like thermometers, tachometers. Classification of measuring instruments electrical measurements. Graduates in electrical ormechanical engineering or any of the physical sciencesare taught the essential disciplines of measurement science to. The voltage is the effort variable without which no current is available. Subject in a descriptive manner with previous year gate questions discussed content whole syllabus of. The measuring instruments which come under measuring.
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