Engineering physics lab manual as per 2017 academic regulation common to all branches of b. This experiment helps in building concept of waves travelling in transmission line, reflected waves from the load end and the standing wave generated in case of impedance mismatch. Physics lab manual auroras engineering college 1 code of conduct 1. A parabolic curve that is applied to make a smooth and safe transition between two grades on a roadway or a highway. Further, it is possible to separate compounds by taking advantage of their reactivity to acids and bases. Magnetisation bh curves electrical engineering assignment. Introduction instrument calibration is an essential stage in most measurement procedures. Worksheets for analytical calibration curves excel and openoffice calc versions september 26, 2017 instructions frequently asked questionsthese are fillintheblanks spreadsheet templates for performing the calibration curve fitting and concentration calculations for analytical methods using the calibration curve method. The students should come to the laboratory with a good preparation to conduct the experiment. This knee has been found in only a few materials i. A plot of bh where both b and h vary between a positive. The diagram below illustrates the steps involved to convert 10 g of solid ice at 20c to 10 g of gaseous steam at 140c. To verify the kirchhoffs law for the given network apparatus.
In this experiment you will study the characteristics of three indicator leds that emit in the. The report for each experiment will contain the following sections. Just like heating curves, cooling curves have horizontal flat parts where the state changes from gas to liquid, or from liquid to solid. Measurement of resistivity and determination of band gap. In this experiment two discs having different mass moments of inertia are clamped one at each of the shaft by means of collect and chucks. Experiment 1 can your car drive forward and backward. We will use a homemade, computerbased curve tracer that has a few advantages over commercial units. Laboratory manual paul robinson san mateo high school san mateo, california illustrated by paul g. Heating and cooling curves of stearic acid using thermometer lab purpose. Experiment 3 construction of calibration curves and preparation of standard solutions introduction this experiment involves the construction of a calibration curve. Guide to laboratory establishment for plant nutrient analysis. Standard curve for organic carbon on spectrophotometer. I want to do it in matlab or labview without using built.
Students who turn up late to the labs will in no case be permitted to perform the experiment scheduled for the day. Most materials do not contain the knee even under controlled environments. To study the effects of heating and cooling a pure substance through a change of phase. Tape the free ends of the wires to the rim of an empty glass. It is a simple introduction to proper graphing of analytical data and to the graphical determination of the best linear fit. To determine time period and natural frequency of undamped free vibrations of equivalent spring mass system. Objective in this lab you are to measure iv characteristics of infrared ir, red and blue light emitting. You are invited to download these instructions and reproduce them freely for use in your laboratory. The magnetic hysteresis loop above, shows the behaviour of a ferromagnetic core graphically as the relationship between b and h is nonlinear. Study of bh curve with deep, bh curve, magnetic induction, magnetic flux, magnetic field strength, hysteresis, remanence, coercive. The remote trigger equipment allows you to control the applied magnetic field h.
In order to produce steady dc from a rectified ac supply, a filter circuit is required. Heating curve for water experiment rs fowler catholic. While halfwave and fullwave rectifiers deliver a form of dc output. Taxol is a complex natural product and email protected drug isolated from the bark of the pacific yew tree. Curve image guided surgery challenges conventional navigation utility. You are to record your temperature every minute in degrees celsius. Universal bh curve tracer is a self contained instrument and need any low cost c.
Simple horizontal curves types of curve points by studying tm 5232, the surveyor learns to locate points using angles and distances. You will use these results to plot your own heating curve for water. To understand that a phase change is a physical change. Hysteresis, a term coined by sir james alfred ewing in 1881, a scottish physicist and engineer 18551935, defined it as. Journal bearing demonstration theory of machines tecquipment. Measure all resistor values r 1, r 2, r c and r e from circuit in fig. Read the experiment at least once or twice before coming to the practical class the experiment which you have to perform. An example of a cooling curve is shown below in figure 1. It provides guidelines for design selection and evaluation. How to plotcalculate bh curve from input current and. Engi3703 surveying and geomatics fall 2007 memorial university of newfoundland 1 lab 6.
In addition of the apparatus one cro is required to perform the experiment. Measurement of horizontal angles by method of repetition and reiteration. Run the car with the solar cell or the battery, sliding the switch to the appropriate setting. Copy into your lab report using a ruler to make it neat and tidy. If the student fails to attend the regular lab, the experiment has to be completed in the same week. Choose the option 1 and follow the instructions as given there. The specimen is put inside the solenoid and is subjected to a varying magnetic field h. The present technique is specially designed for teaching and industrial applications. When there are two physical quantities m and n such that cyclic variations of n cause cyclic variations of m, then if the changes of m lag behind those of n. Pdf food analysis laboratory manual second edition azeem. To conduct test on synchronous motor to draw the performance curves.
Set up for bh curve, experimental material commercial nickel, cro, connecting leads. In this technique, bh loop is formed by simply inserting the specimen in a magnetizing coil. Section 3 contains various statistical tables that are generally used for manual calculations. A laboratory manual for physics 231 busy b web design. The curve shown above is termed the hysteresis loop of the material, and represents the true bh response of the material. A coil has an mmf of 600 at, and a reluctance of 3 x 10 6 atwb. Theory 1 descesc beribe ttehe ppoceduerocedure of settsett ging out of sspeimple circular curve by i perpendicular offset from tangent, and ii rankines method of tangential. Starting with an unmagnetised core both b and h will be at zero, point 0 on the magnetisation curve. The slope of the bh curve, the saturation level and the size of the hysteresis loop are dependent on the type of material. It is a plain steel shaft encased in a clear acrylic shell and directly driven by an electric motor. Starting with an unmagnetised core both b and h will be at zero, point 0 on the magnetisation curve if the magnetisation current, i is increased in a positive direction to some value the magnetic field strength h increases linearly with i and the flux. Total carbon and nitrogen in the soils of the world.
This graph goes in your quantitative observations section. Study of theodolite in detail practice for measurement of horizontal and vertical angles. For the qualitative analysis experiments in this manual experiments 2, 3, and 4, it is understood that. Bh curve experiment manual pdf laboratory manual v and inverted v curves of a 3phase synchronous motor. The objective of this part of the lab is to study the interdependence between stimulus strength and stimulus duration in activating the nerve, and to construct a strengthduration curve. Matrix matrix technologies corporation, hudson, nh. Ideally a few concentrations above and below the expected concentration sample are measured. Click plot and the mh curve is displayed on the screen. Engineering physics laboratory manual page 2 laboratory instructions 1. To practice techniques of heating materials using the bunsen burner. The experiment that you have performed in the lab, same has to be discussed with your friends after finishing your lab. The length of vertical curve can be computed by using k values in both crest and sag. Quantifying bacterial concentration using a calibrated growth curve background and references bacterial concentration can be measured by several methods, all of which you have studied previously in lecture or in lab.
How to plotcalculate bh curve from input current and output voltage of a transformer. Curve tracer manual curve tracers are versatile instruments that characterize a wide variety of electronic components. Thermometer or other temperature measuring device i. It is a set of operations that establish the relationship between the output of the measurement system e. Graph the initial yposition versus and draw a smooth curve through the. Ece 311 electronics i iii july 2011 notes about the course electronics i consists of a theoretical module ece 320 and a practical module ece 311. You will need the assembled solar car energy source sunlight, halogen energysaving bulb, battery heres how 1. Soil analysis food and agriculture organization of the united nations. To gain familiarity with the theory, design and layout of horizontal curves for most types of transportation routes, such as highways, railroads, pipelines, etc. Pdf bab i learning curve novi yohana sudiro academia.
These courses run concurrently and the aim of the manual is to introduce students to laboratory procedure including data recording and report writing. Starting with fundamental parameter values, the core characteristic is derived. It tells you how the material responds to an external magnetic field, and is a critical piece of information when designing magnetic circuits. This example shows calculation and confirmation of a nonlinear transformer core magnetization characteristic. You are likely to have used salol or stearic acid in a school practical lesson to make your own cooling curve. Under corrosive environments allsn data have a continuous sloping curve. Using global fitting to test a treatment effect in one experiment. Applied biosystems standard curve analysis module 11. In this experiment magnetic field h is produced by passing a. Pdf on jan 1, 2015, andrzej bieganowski and others published laboratory. Microbiology laboratory manual is optimally designed for use with students. Then the manual observation and record will be evaluated for 50% of maximum marks. Attaching the cross lever weights can changed mass moment of inertia of an disc. The plugs should hang about 2 cm below the rim, and there should be a few centimeters of space between them.
Oct 29, 2016 bh curve experiment manual pdf laboratory manual v and inverted v curves of a 3phase synchronous motor. The goal of this lab exercise is to study the phenomena of magnetic hysteresis and calculate the retentivity, coercivity and saturation magnetization of a material using a hysteresis loop tracer hlt111. Switch on the circuit and slowly pour water into the glass. Operation manual, model vet1608 digital epstein tester, veer electronics. Before starting the experiment, check the variacs are in minimum output voltage position. Determination of bh curve of core material of transformer 1.
Delong, qiongqiong zhou, in introductory experiments on. In its simplest form this is achieved by shunting the resistor with a capacitor. Plotting magnetization curves university of surrey. They show how the temperature changes as a substance is cooled down.
Color 1 gray year of study 2 blue hill site utm 706453 east 5249980 north 3 rose triangle site utm 7570 east 5248100 north b. Keeping the track of latest happening in this domain, we manufacture and supply the best quality of hysteresis loop tracer. Laboratory attendance will form a part of the internal assessment. This cooling method provides crystals very rapidly, although they wont look as pretty as with the evaporation method. Hexokinase and g6pdh catalyzed reactions of glucose measurement. The magnetisation curves can be determined by the following methods provided the materials are in the. If this curve is read from right to left, it is a cooling curve. This remote trigger experiment performs experiments on actual hysteresis loop tracer equipment hlt111.
Several of the experiments in this laboratory manual illustrate green chemistry. Vary the material parameters and observe the characteristics of the material. Numerical methods lecture 5 curve fitting techniques page 94 of 99 fit a second order polynomial to the following data since the order is 2, the matrix form to solve is now plug in the given data. Dilution and plating of bacteria and growth curves. Heading title of experiment, date experiment performed, your name, partners name overall format of report worth. Experiments for first year electrical engg lab 201415. Bring the observation book and practical manual for each practical class. Hardison abstract the double mass curve is used to check the consistency of many kinds of jiydrologic data by comparing data.
Note that the slope parameter is not equivalent to the hill slope nh found in the. Hysteresis loop tracer bh curve apparatus at rs 4500. First time in india we have developed technique to quickly trace bh loop of ferromagnetic materials of any shape without winding primary and secondary coil on the sample. This cap amplitude will be used as a reference for the rest of the experiment. Determination of bh curve of core material of transformer 1 aim to determine of bh curve of core material of transformer 2 theory the rms voltage induced in a transformer is given by e 4.
To produce cooling curve and report eutectic temperature. The study began in 1992 at hill site and in 1994 at triangle site and has continued every year. Experiments for first year electrical engg lab 201415 dept of electrical engineering, shri ramdeobaba college of engineering and management, nagpur 4400 india page 1 experiment no. Hysteresis loop tracer bh curve apparatus at rs 4500 piece. To construct and interpret a heating curve for water. Applied biosystems standard curve analysis module pub. A standard curve is defined by light emission from standards containing known concentrations of recombinant singlestranded phage dna. Circuitfrom experiment 38 drinking glass tape tap water heres how. Section 2 is a collection of guides to help you analyze your experimental data. It is the straight line tangential to the longitudinal curve of the level tube at the center of the.
Anil kumar associate professor department of electrical and electrical engineering n. The students should bring the laboratory manual, observation book, calculator etc. Close the first dpst1 switch and switch on the supply. The data for mild steel, wrought iron and sheet steel are so similar. The bh curve shown in figure 2 represented the average or mean of the true bh loop response. They should read the procedure thoroughly for the lab experiment from the manual and come well prepared.
It is essential that you read the laboratory manual before coming to the lab so that you have a basic understanding of what you will be doing. It is similar in shape to the initial magnetization curve, and is a convenient way of describing the material behavior. The arrangement is designed to study free undamped vibrations. The bh curve is the curve characteristic of the magnetic properties of a material or element or alloy. Determination of bh curve of core material of transformer. At the end of the course the student will be able to. Reset clears the input field and reset figure clears the graph. To study bh curve and to find out the values of coercivity, retentivity and saturation magnetisation of experimental material. In this lab, you will be measuring bacterial concentration by four methods. Part 1, general surface water techniques doublemass curves by james k.
Bh curve a bh curve plots changes in a magnetic circuits flux density to magnetic field strength, as the magnetic field strength is gradually increased or decreased. To study the magnetization behaviour with alternating magnetic field and report. In this experiment, you will create a standard curve with a glucose standard. Hysteresis means remaining in greek, an effect remains after its cause has disappeared. Determination of bh curve of core material of transformer 1 aim to determine of bh curve of core material of transformer 2 theory the rms voltage induced in a transformer is given by. The range of concentrations of the calibration curve should bracket that in the expected unknown sample. Students should report to the concerned lab as per the timetable schedule.
Relative permeability for toroidal ferrite core derived from the normal. A food labeling guide and since the publication of this laboratory manual and any changes. As you raise the primary current the tip of the hysteresis loop traces out a normal magnetization curve. Microwave devices and circuits, third edition, edition, samuel y.
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