Bennett 0 TABLE OF CONTENTS 1. Experiment # 1: Determination of Water Content (August 26‚ 2003) pp. 1-3 2. Experiment # 2: Determination of Specific Gravity of Soil (Sept. 2‚ 2003) pp. 4-7 3. Experiment # 3: Grain Size Analysis: Sieve Analysis (Sept. 9‚ 2003) pp. 8-12 4. Experiment # 4: Grain Size Analysis: Hydrometer Analysis (Sept. 16‚ 2003) pp. 13-18 5. Experiment # 5: Atterberg Limit Tests: Liquid & Plastic Limit (Sept. 23‚ 2003) pp. 19-24 1 DETERMINATION
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Available evidence suggests that tef grain separating and cleaning‚ in the rural area of Ethiopia‚ is very much traditional and makes use of wind as winnower to effect separation manually operated set of flat sieve to accomplish the cleaning. This method is time and labor consuming‚ and often lead to contamination of the tef grain with dust‚ dirt‚ small sands or silt on the threshing ground. In an effort to alleviate the above stated problems‚ a small engine driven tef grain and chaff separator and
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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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Compare and contrast xylem tissue and phloem tissue‚ including their respective structures and functions. The stems and roots of plants contain two separate transport systems; xylem vessels and phloem tubes‚ of which neither transport oxygen as it is transported to cells by diffusion. The network of xylem vessels transports water and mineral ions from the roots to all other parts of the plant whereas phloem tubes transport food made in the leaves to all other parts of the plant. In the stems
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ANGELES ABRASION VALUE This method describes the procedure for the determination of the Los Angeles Abrasion Value of aggregate APPARATUS Australian Standard sieves (Grade B) as required.1 2 A thermostatically controlled oven with good air ventilation capable of maintaining a temperature within the range of 105°C to 110°C. 3 Sieve brushes. 4 Balance readable and accurate to at least one gram. 5 Sample divider of the multiple slot type. A suitable design is shown in Figure 1. 6 Los
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Objective: In the present study‚ an attempt was made to improve the bioavailability of Zidovudine by formulating into Orodispersible tablets‚ as it has poor bioavailability and extensive pre systemic metabolism. Methods: In the present study‚ the mucilage extracted from Fenugreek seeds (Trigonella foenum-graecum) was used as superdisintegrant. The oral dispersible tablets were prepared by using wet granulation technique. A three factor two level (23) central composite design was employed for the
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Coursework 1: Aggregate testing This report was an investigation into different standard testing methods used for aggregates; Sieve Analysis‚ Moisture Content Determination and Determination of Voids Content and Density. The experiments precisely verified that the aggregates complied with British Standards. Contents page Test 1: Sieve Analysis “Large” coarse aggregate “Small” coarse aggregate Fine aggregates Observation Test 2: Moisture Content “Small” coarse aggregate Fine
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rig and shows swelling. Radioactive tracers like 14CO2 sucrose phosphates supplied to lead are found to be translocated through sieve tube elements. While mealy bugs pierce their stylets into sieve tubes and suck the sap‚ the white bugs have specialized in feeding on the sieve tube sap. Thus various studies reveal that the food material is translocated through sieve tubes. Rate of translocation Using radio active tracers at the source of supply like leaves‚ it is possible
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conform to the essential design characteristics in Figure 1 and the narrative below. 2. Balance. The balance shall have a capacity of at least 5500 g and a sensi-tivity of 1 g or less. 3. Sieves. Standard 4.75 and 1.70-mm woven wire sieves shall conform to AASHTO Designation: M 92. These sieves should be at least 300 mm in diameter. 4. Abrasive Charge. 0 Each abrasive charge shall consist of a solid‚ steel sphere having a mass Test | Number | Mass of | Specimen | of | Charge
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addition to the outward appearance of sieves evolving‚ there have been major advances in their component parts and in developing machines for specific applications and/or industries. Most machines vibrate at 1400 rpm‚ but by separating the motor from the rubber suspension in this type of design‚ it became possible to increase the operating speed of the machines up to 2800 rpm with high out-of-balance forces. This development led to increased efficiency of sieves‚ enabling smaller diameter machines
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