Part I: Density of Unknown Liquid Trial 1 Trial 2 Trial 3 Mass of Empty 10 mL graduated cylinder (grams) 25.55 25.56 25.55 Volume of liquid (milliliters) 8.8 8.65 8.5 Mass of graduated cylinder and liquid (grams) 30.65 30.62 30.565 Part II: Density of Irregular-Shaped Solid Mass of solid (grams) 39.537 38.515 40.975 Volume of water (milliliters) 50.01 49.9 52.4 Volume of water and solid (milliliters) 54.9 54 57 Part III: Density of Regular-Shaped
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Experiment Title : Determination of relative densities and water absorption of coarse aggregates. Objective : To determine the relative densities and water absorption of a coarse aggregate. Description of Sample : The sample used was naturally occuring riverside aggregate and was left to soak for 24 hours prior to the experiment. Apparatus Required A pycnometer – a pycnometer is a litre glass jar which has a conical screw on it ’s lid‚ and a small aperature at the apex of the conical lid. The
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sample increment. It is a portion of materials taken directly from the conveyor‚ bin‚ truck or stockpile. Sample-increment should be taken in sets of five‚ each approximately equal quantity. A bulk-sample should comprise a set of five sample-increments‚ mixed thoroughly to give a uniform bulk sample; the bulk-sample may often be subdivided to produce a sample of appropriate size for testing. Further division may be carried out in the laboratory to produce the test portion for the use in a particular
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Introduction In this lab‚ the density of 20 glass beads were determined using two different methods and the results were compared to see how close the values were to each other. In first method the volume of each individual bead was measured using the diameter of each bead‚ along with the mass. In the second method the beads we treated as a whole unit. The total mass was measured and volume was measured based on the amount of water that was displaced in a graduated cylinder. Then‚ the beads
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Compaction is the process of densification of soil by reducing air voids.The degree of compaction of a given soil is measured in terms of its dry density.The dry density is maximum at the optimum water content.A curve is drawn between the water content and the dry density to obtain the maximum dry density and the optimum water content. Dry density = Where : M = total mass of the soil V = volume of soil
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basis is that the small balls fill in the gaps between big ones to fully improve the bulk density of the steel ball. On one hand‚ it can improve the impact force and times of the first chamber. On the other hand‚ high packing density can make materials to be grinded well. In two-level gradation‚ the big ball is mainly used to grind and impact materials. The small ones are used to fill gap between the bulk density‚ to improve the grinding body‚ to control the flow of materials‚ and to increase the
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[pic] Master of Science Degree in Industrial and Environmental Chemistry Part I Examination Academic Year 2007/2008 – January 2009 INEC 54062– Soil Chemistry and Terrestrial Pollution Number of Questions: Four (04) Number of pages: Four (04) Time : 02 hrs Answer all questions ___________________________________________________________________________ (01) Answer
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The effects of population density and noise The effects of Population Density and Noise Noise and Population density has several different affects on individual’s Personal space‚ Privacy‚ and territory may have negative affects on individual‚ along with chronic noise. Population density and noise can have a variety of effects on people. The effects vary by individual but can lead to anxiety‚ increased stress levels‚ aggravation and more. As the population increases awareness of personal
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distribution for X and Y . 4.12 If a dealer’s profit‚ in units of $5000‚ on a new automobile can be looked upon as a random variable X having the density function fx= 21-x‚0<x<10‚elsewhere find the average profit per automobile. 4.14 Find the proportion X of individuals who can be expected to respond to a certain mail-order solicitation if X has the density function. fx= 2(x+2)50<x<10‚elsewhere 4.28 Consider the information in Exercise 3.28 on page 93. The problem deals with the weight in
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Discussion a) The value of bulk density is 1.7921 × 10-3 kg/mm3 and the moisture content value is 0.31 %. b) Based on our visual observation‚ the colour of the soil sample that we had was light brownish. The texture of the soil was not too dry and either wet‚ it is loose because it contains broken rock particles or they are the resistant components of rocks broken down which it has rotund shape. Conclusion 1) The possible sources of error which made during experiment was first of all
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