1. Using diagrams and/or graphs‚ explain the following terms: a. Pressure Head pressure head [′presh·ər ‚hed] (fluid mechanics) Also known as head. The height of a column of fluid necessary to develop a specific pressure. The pressure of water at a given point in a pipe arising from the pressure in it. b. Total Discharge Head Total discharge head refers to the actual physical difference in height between the liquid level in the pit and the highest point of the discharge pipe or water level in
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Causes of Soil Erosion Amanda Brown Environmental Science 136 Rainfall and runoff is a water erosion problem also known as splash erosion. This is the first stage in the erosion process. The impact of rainfall drops on the soil surface can break down soil aggregates as the impact of falling raindrops breaks up the topsoil. This erosion is caused by long lasting and less intense storms. Runoff can occur whenever there is excess water on a slope that can’t be absorbed into the soil or trapped
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Abstract: Soil Manipulation to increase efficiency. The objective of this plant growth experiment would be to distinguish if potting soil could be manipulated in any certain way‚ to maximize or increase its overall efficiency. Our goal would be to determine what optimum combination of ingredients would best increase efficiency in soil productivity to equal the result of hydroponics (Cultivation of plants in nutrient solution rather than in soil). Through research our group came to the conclusion
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Overgrazing Major Causes of Soil Erosion Lee Garrant Everest University Online Instructor: William Gangloff There are three major practices that expose soil to erosion and they can be corrected and create a more sustainable society. They are over cultivation‚ overgrazing‚ and deforestation. We were asked to pick one out of the three and discuss it‚ the one that’s I chose was overgrazing. Overgrazing is one of the major practices of exposing soil to erosion. Overgrazing isn’t a new issue
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Student ID No: ___________________ Pages: 9 Questions: 5 EXAMINATIONS FOR DEGREES AND DIPLOMAS October-November 2008 Mechanics of Solids First and only paper Time Allowed: THREE (3) hours Instructions: Answer all questions. -2- Question 1 Figure 1 Two circular A-36 steel1 rods are connected as shown in Figure 1. The rod CD has a diameter of 30mm. Both members are pin connected together at C (see figure detail). You are asked to determine: a b Identify what kind of structural
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Elastic Fracture Mechanics (LEFM). In this criterion‚ the two fracture parameters take account of the deviation of the stress to failure from the stress calculated pursuant to LEFM principles. These parameters have to be calculated earlier in pretests known as base line tests to be conducted under identical conditions of the material. It was possible neither to find 48 the failure stress of pressure vessels by means of the fracture parameter obtained from fracture mechanics specimen nor to
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Mechanics of Solids [3 1 0 4] CIE 101 / 102 First Year B.E. Degree Mechanics of Solids PART- I Mechanics of Rigid Bodies PART- II Mechanics of Deformable Bodies COURSE CONTENT IN BRIEF PART I Mechanics of Rigid Bodies 1. Resultant of concurrent and non-concurrent coplanar forces. 2. Equilibrium of concurrent and non-concurrent coplanar forces. 3. Centroid of plane areas 4. Moment of Inertia of plane areas 5. Kinetics: Newton’s second law‚ D’Alembert’s principle‚ Work- Energy‚ and
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Quantum Mechanics In 1758 scientist found that the gases giving off by the burning materials emitted different colors of lights of spectrums. Not all the colors of the rainbow appeared and they were black gaps in the spectrum. 1802 it was discovered the solar spectrum had tiny gaps‚ they were many thin dark light in the rainbow colors. 100 years ago ‚ the hot solid gave continuos spectrum and the overall color of the line revealed the temperature of the object. This discovery made it possible
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Celestial Mechanics Orbital Maneuvers Earth‚ Moon‚ Mars‚ and Beyond Rodolfo G. Ngilangil Jr. MBA‚ BSAE Impulsive Maneuvers Impulsive maneuvers are those in which brief firings of onboard rocket motors change the magnitude and direction of the velocity vector instantaneously. The position of the spacecraft is considered to be fixed during the maneuvers. This is true for high-thrust rockets with burn times short compared with the coasting of the spacecraft. Orbital Maneuvers - 2 Hohmann
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Statistical mechanics or statistical thermodynamics[note 1] is a branch of physics that applies probability theory‚ which contains mathematical tools for dealing with large populations‚ to the study of the thermodynamic behavior of systems composed of a large number of particles. Statistical mechanics provides a framework for relating the microscopic properties of individual atoms and molecules to the macroscopic bulk properties of materials that can be observed in everyday life‚ therefore explaining
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