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