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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pack on each other resulting in a the powder having a high porosity. High density and low porosity results in free flowing particles. Micromeritic Property of Starch The experiment obtained Starch to have a bulk density of 0.48g/ml‚ i.e. 0.48g of Starch occupies 1ml of water. This value represented the density of starch incorporating the voids. The tapped density was found to be 0.60g/ml. This value represented the density of starch excluding the voids and intra- particle pores greater than molecular
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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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shows decrement of flow rate as the orifice size decreases from 15 mm to 9 mm. Next‚ coarse sugar has a higher bulk density than vegetable seeds. This is because‚ coarse sugar has a larger weight with volume almost the same with vegetable seeds‚ despite its smaller diameter size. Thus‚ the powder particles will move and usually settle closer together‚ resulting in a higher bulk density. For measurement of angle of repose‚ vegetable seeds have a lower value of mean α than coarse sugar. The conical
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Experiment 2: Measurement of equivalent radius‚ bulk density and solid density of granular materials. Objective: To measure the equivalent radius‚ bulk density and solid density of granular materials. Materials: Red beans‚ green beans and ground nuts. Apparatus: 100mL measuring cylinder‚ 50mL measuring cylinder‚ analytical balance and cooking oil. Procedure: Results: Table 2.1: Data of equivalent radius‚ solid density‚ bulk density and porosity of granular materials. nj Red beans Green
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have been performed to establish the properties of the aggregates: 1. Compacted bulk density test 2. Sieve analysis II Testing For Compacted Bulk Density Objectives * To determine the specific bulk densities of a range of course‚ fine and mixed aggregates. * To determine the void content of the samples. * From this we can determine the optimum fine to coarse aggregate mix‚ given the bulk density and minimum void content. Equipment * Electronic Balance * Metal Cylinder
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simulation was conducted in order to measure infiltration rates at the Low Stony Hill site in Gatesville‚ Texas. Rainfall simulations are important contributors to understanding infiltration and factors‚ which influence infiltration rate‚ such as bulk density‚ plant biomass and percent cover‚ and topography. The objective of this study is to utilize the rainfall simulation to examine and understand the interrelationships of the factors that influencing infiltration and how these factors directly influence
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These factors expressed in the question affect the population density of a country or location immensely. Firstly relief‚ when we talk about the relief we talk about highlands and lowlands. Although immediately we like to think that most of the world’s population live fairly low down it is in fact the case that 80% of the worlds population live 500 metres above the sea level‚ this is actually fairly high up. What we might have been thinking of are the mountainous areas of the world like the Andes
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environmental issues and economic performance and population density Executive summary The main goal with the report was to analyse the relationship from 16 different countries on how‚ if any‚ CO2 emission per capita is getting affected by population density and GDP per capita by using descriptive statistics and regression. The conclusion is that CO2 emission per capita is affected by changes in GDP per capita and that population density has no significant relation to CO2 emission per capita.
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for the grinding body itself‚ its density‚ strength‚ abrasion‚ the shape and the surface have a great effect on the ball mill efficiency and quality. As for the bulk density‚ on one hand‚ the greater the bulk density is‚ the greater the quality is and so kinetic energy is bigger‚ the material impact and grinding force is greater‚ more easily crushing and grinding crushed material. On the other hand‚ with the same quality‚ the volume of grinding body density is large‚ the volume is small. With
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