Measurement and instrumentation principles is the latest edition of a successful book that introduces undergraduate students to the measurement principles and the range of sensors and. A practical overview of level measurement technologies. Metrology metrology is the science of measurement dimensional metrology is that branch of metrology which deals with measurement of dimensions of a part or workpiece lengths, angles, etc. Work measurement techniques computerized work measurement. The choke for which r 1 and l 1 have to measure connected between the points a and b.
He developed a relationship in which a certain push or pull on a workers arms was equated with the amount or weight that worker. The field work consists in dividing up the site of the work into a number of equal triangles, squares or rectangles fig. The royal road to success in work and study by makoto itou a case study on the shared responsibility of. So, you want to download all of the video lectures for a course in nptel. Methods of measurement based on agreed units and standards. The measurement of flow in a plant is important for the control of the process and for troubleshooting problems that. Work study geography map work grade 12 study guide case study examples social work psychology applied to work study guide motion and time study design and measurement of work ralph m. They lead systematically to the investigation of all the factors which affect the efficiency and economy at the work place in order to affect improvement. Microwave engineering pdf notes mwe notes pdf ece branch, jntu world, jntua updates, jntuh updates, jntuk updates, notes, osmania, subject notes 38,022 views 4. How to download all of the lectures for a course in nptel quora. Nptel, iit, lectures, courses, video, engineering, online. This means that over a typical atomic diameter of e.
We used topcons gts701, total station as the measurement device, and in order for us to compare the. A zero reading on the dial indicator indicates that the work part surface is perfectly horizontal and the set angle is the right one. Difference between production planning and production control 1. Learn for free, pay a small fee for exam and get a certificate. Lecture series on industrial automation and control by prof. Dimensional measurements at the required level of accuracy are the essential link between the designers intent and a delivered product.
In this way you can derive any missing variable if you know the other two. A good way to reduce the number of level measurement options is to categorize them into two broad categories. Of these, the most familiar is the electrocardiogram, a signal derived from the electric activity of the heart. Here you can download the free lecture notes of estimating costing pdf notes ec pdf notes materials with multiple file links to download. Microwave engineering pdf notes mwe notes pdf smartzworld. One side of the piezoelectric material is connected to a rigid post at the sensor base. Quality measurement m vm these techniques are for the most part all used in classical fluid flows.
Principles of ftir spectroscopy in ftir analyses, infrared light from the light source passes through a michelson interferometer along the optical path. Therefore i put together this document to help everyone understand the concept of fixed limit gauging. Unit 6 angular measuring devices angular measuring devices. The angle of the work part is first measured using an instrument such as bevel protractor. Lecture notes in html under construction january 10, 2019. Ohmic contacts common techniques to make ohmic contacts. Method study 14 and work measurement is the two major segment of work study 1. Practice makes a person to acquire skill to use their knowledge for gaining self assurance and confidence to handle any kind of work without any difficulty.
Work measurement work measurement work measurement time study most widely used method of work measurement especially appropriate for short, repetitive tasks average of a few properly trained workers performed time are taken as the standard basic steps. Dts, pmts, sds, ws used with pcs pdas portable digital assistants. Gaas schottky contact n doped electrons from conduction band or in the metal. It produces time standers for the performance by man or by group of men. Instruments used to measure pressure are called pressure gauges or vacuum gauges. Work study is the investigation process, by means of a consistent system of the work done in a industry, in order to attain the best possible use of the men, machines, materials, available in the building at present. For example its also true that resistance equals voltage divided by current rvi, and also that voltage current multiplied by resistance vir. Unit of measurement of earth work the unit of measurement of earth work is cubic meter meter3. Gas pedal says where it needs to be on a flat surface. Resolution is the least increment of a measuring device. May 19, 2008 lecture series on industrial automation and control by prof. Mukhopadhyay, department of electrical engineering, iit kharagpur. Time standards and how they are determined standard time for given task. Void fraction measurement a va a capacitance measurement b optical characterization 2.
The absence of a metal with a sufficiently high work function. Pressure measurement 1 pressure measurement the construction of a bourdon tube gauge, construction elements are made of brass many techniques have been developed for the measurement of pressure and vacuum. Work study is a generic term for the techniques of method study and work measurement. Nptel, online courses and certification, learn for free. The michelson interferometer comprises a beam splitter, moving mirror, and fixed mirror. Industrial engineering is the latest method employed to improve productivity. It is the algebraic difference between the minimum size and the basic size.
Work measurement how long jobs should take application of techniques designed to measure the time for a qualified worker to carry out defined task measuring the time tasks take has direct impact on. Operation the active element of the accelerometer is a piezoelectric material. To obtain precise vibration signals some basic knowledge about piezoelectric accelerometers is required. Work measurement can be defined as the implementation of a series of techniques which are designed to find out the work content, of a particular task or activity, by ascertaining the actual amount of time necessary for a qualified worker, to perform the task, at a predetermined performance level. Evolution of quality, inspection, quality control, its. Screw thread definition a screw thread is the helical ridge produced by forming a continuous helical groove of uniform section on the external or internal surface of a cylinder or a cone. Pdf is 1200 part 6 refractory work method of measurement civil engineering is codes. Specifications of measurement object area and measurement device we selected the asphaltpaved road equivalent to total 650m near namchundong, sooyoungku, pusan, korea as the measurement object area. A typical example of a pid control loop that everyone can understand is cruise control. Costs delivery speed delivery reliability need information to work out key ratios.
Classification, absolute and secondary instruments, indicating instruments, control, balancing and damping, constructional details, characteristics, errors in measurement, ammeters, voltmeters. The unique cryogenic features have to do with instrumentation used to detect signal and need for low heat leak. Estimating costing pdf notes ec pdf notes smartzworld. This video contains types of numericals about productivity and partial types of work measurement. Industrial engineering numericals productivity work. Nptel notes pdf civil engineering 105 courses in pdf format. Work measurement is a tool to increase productivity of industrial and business area. Define the task to be studied, and inform the workers who will be studied determine the. Work measurement work measurement has importance in the industrial engineering department. Work study has been utilized by companies to job productivity. The former is concerned with the identification and developm ent of improved methods and systems, while.
This picture is static and for example does not show clearly what the competitions reaction could become this would drastically increase the cost of nonquality. Barnes pdf barnes, ralph m, motion and time study, design and measurement of work the power of continuing. Its easy to work with ohms law to find any of these values. Sine bar can also be used to measure unknown angles to a high degree of precision.
Surveying is a very important part of civil engineering. Techniques of work study the technique is systematic and it is concerned with efficiency and economy in human work. This method is used to find excavations in large tracts such as for borrow pits. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Pdf engineering metrology and measurements a practical. Manometerworking,construction,types,utube,well type. Units of measurement and their standards, which is concerned with the establishment, reproduction, conservation and transfer of units of measurement and their standards. A manometer could also be referring to a pressure measuring.
Sep 17, 2011 manometer is also called a liquid column manometer and is used for low differential pressure measurement. We hope students all over the world will find it helpful. Lecture 6 scanning tunneling microscopy stm general. Unit 6 angular measuring devices devices structure 6. Unit 6 angular measuring devices angular measuring. This covers the work of the valuation surveyor, the quantity surveyor, the building surveyor, the mining surveyor and so forth, as. It is divided into two relative activities, namely method study and work measurement. Hard work and practice doing something repeatedly there is no substitute for hard work. Considered as a valuable tool in increasing productivity. This could mean that there is excessive maintenance, excessive error, unreliable outputs, or it just simply doesnt work in this application based on the characteristics of the level measurement. The upper deviation of a hole is represented by a symbol es ecart superior and of a shaft, it is represented by es.
It is the algebraic difference between the maximum size and the basic size. Here in we have gathered some pdf lectures on surveying. Nptel provides elearning through online web and video courses various streams. In this method the unknown inductance is measured by comparing it with the standard inductance. Nptel mechanical engineering industrial engineering. The metal work function is greater than the n type semiconductor work function the metal work function is lower than ptype semiconductor work function very high density of surface states pinning the fermi level at the surface w. This signal is widely used in diagnosing disturbances in cardiac rhythm, signal conduction through the heart, and damage due to cardiac ischemia and infarction. How to download all of the lectures for a course in nptel. Jansson is, how do i choose a plug gauge for my measurement application. Work study and industrial engineering play important role in job simplification, job design, job enrichment, value analysisengineering, method analysis, operational analysis, etc. Work measurement approach to determine standard time in assembly line lusia permata sari hartanti industrial engineering department, universitas pelita harapan surabaya email. Humidity measurement principle s bharadwaj reddy may 16, 2016 october 21, 2017 humidity measurement is an important tool for predicting the climate. Microsoft of postponing the release of a software product to get some time to work out the bugs.
Jan 24, 2017 work study is a systematic examination or investigation of system or method of organization for work done to improve the utilization of resources like men, machine, material etc and setup standard. The usual range of pressure that falls for this device is around 0. Basic techniques for accurate resistance measurement. Linear measurement different methods of direct measurement instrument for chaining, ranging, chaining on uneven slopping ground, errors in chaining, corrections. He is also known for his work on estimation of allowances by establishing the number of footpounds of work a worker could do in a day. These techniques are used in the examination of human work in all its contexts. This does not mean that people have not used this technology for measurement, but just that it is not practical. Then, the work part is clamped to the sine bar and set on top of a. Now, the dial indicator is moved to the other end of work part in a straight line. Fixed limit gauging one of the most frequent questions that we are asked at a. About the book engineering metrology and measurements is a core subject for mechanical, production, and allied disciplines in all the major universities in india. It is a basic course for all universities for civil engineers. Transportation and traffic engineering civil department. Lecture 5 pressure, force and torque sensors youtube.
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