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