intolerant to light‚ and she developed a rash on her legs and chest. Nancy’s mother rushed her into hospital where a lumbar puncture was performed in order to gather a sample of cerebrospinal fluid. The lumbar puncture revealed that Nancy had meningitis. Meningitis is caused by an infection of the cerebrospinal fluid resulting in inflammation of the meninges. 1. What are the meninges? They are three membranous layers that surround the brain and spinal cord. 2. Name the meningeal layers that surround the
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spinal cord is exposed to amniotic fluid during fetal life. Amniotic fluid is the watery fluid within the innermost membrane that encloses the embryo and surrounds the fetus throughout pregnancy. Amniotic fluid is also what cushions the fetus protecting it from injury‚ providing freedom of fetal movements‚ helping maintain the fetal oxygen supply and helping stabilize temperature. The composition of the fluid changes over the course of gestation. Initially‚ amniotic fluid is similar to maternal plasma
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FUNDAMENTAL CONCEPTS Heat transfer is energy in transit‚ which occurs as a result of temperature gradient or difference. This temperature difference is thought of as a driving force that causes heat to flow. The concepts of heat transfer and temperature‚ the key words in the discipline of heat transfer‚ are 2 of the most basic concepts of thermodynamics. dffffffffff rifffff orfff ffffffffff fv ing ff ce Rate of transport process= fffffffffff or rate = coefficient B driving force resist
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but surfactant is needed to regulate surface tension. Also surface tension promotes movement of fluids across the alveolar membrane‚ therefore the surfactant also regulates the movement of fluids. Attraction of the molecules in the fluid film within the alveoli is what causes surface tension. The water molecules have a higher attraction to each other than the air in the surrounding area causes the fluid film to take up the smallest area possible. Therefore as surface tension force increases alveoli
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specific gravity of 7.5. Due to entrap air bubbles the actual specific gravity was found to be 6.5. What percentage of the casting filled with air? (Neglect the mass of air in calculation). Q2 (a) Write down the relationship for the dynamic viscosity of fluid in terms of velocity gradient and the shear stress and name its terms with their SI units of measurement. (b) Fig Q2 below shows a rotating disc viscometer‚ in which a disc of radius R rotates at an angular speed of . The distances from the rotating
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series and parallel 2. To show shut off point of pump in series and parallel ABSTRACT / INTRODUCTION Pump is a general term for any fluid machine; used to transfer and add energy to fluid in a system‚ either at the same level or to a new height. There are some fundamental parameters used to determine the performance of a pump. The mass flow rate of fluid is the obvious primary pump performance parameter and for incompressible flow‚ it is more common to use volume flow rate rather than mass
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The gauge could be wrong- but stated on each gauge 2 kinds of gauges 1. Pressure Gauge-a gauge that measures pressure 2. Flow System Study Guide 1 1. The power output device of a hydraulic system is known as the …ACTUATOR 2. The pressurized fluid used in hydraulic systems is a…..LIQUID 3. Pressure is a measure of FORCE intensity 4. The units of pressure used in the SI system are PASCAL 5. The actuator converts hydraulic energy into MECHANICAL energy How does a hydraulic system make power
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SEDIMENTATION According to Brown (1950)‚ sedimentation is the separation of a suspension into a supernatant clear fluid and a rather dense slurry containing a higher concentration of solid. According to Perry ()‚ sedimentation is the partial separation or concentration of suspended solid particles from a liquid by gravity settling. This field may be divided into the functional operations of thickening‚ whose purpose is to increase the concentration of suspended solids in a feed stream; and clarification
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ABSTRACT Metal cutting fluids changes the performance of machining operations because of their lubrication‚ cooling‚ and chip flushing functions. Typically‚ in the machining of hardened steel materials‚ no cutting fluid is applied in the interest of low cutting forces and low environmental impacts. Minimum quantity lubrication (MQL) presents itself as a viable alternative for hard machining with respect to tool wear‚ heat dissertation‚ and machined surface quality. This study compares the mechanical
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68 N. Results and Calculations 69 O. Discussion 75 P. Error Analysis 79 Q. Conclusion 80 References 81 Appendix I.A Appendix II.A Appendix II.B Summary There are two parts in this experiment where we shall observe the mechanics of fluid flow in a closed conduit and also to find out the characteristics of a centrifugal pump. In the first part‚ we applied the principle of pressure difference across fittings in a closed conduit to find out the loss coefficients of these fittings.
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