Nama Mata Pelajaran/Subject Name | Mekanik Bendalir I / Fluid Mechanics I | Kod/ Code | MCB2013 | Status Mata Pelajaran/Subject Status | Teras Umum/ Common Core | Peringkat/ Level | Sarjana Muda/ Bachelor | Nilai Kredit/Credit Value | 3 | Prasyarat (jika ada)/Prerequisite (if any) | Statik / Statics | Penilaian/ Assessment | Kerja Kursus / Coursework (Tests‚ Assignments‚ Lab) 50%Peperiksaan Akhir / Final Exam 50% | Tenaga Pengajar/Lecturer | Dr Azuraien Jaafar/ Mr Faizairi M Nor/
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4756x107 and 2.7805x107 respectively. From these numbers‚ it was observed that at 2000rpm‚ efficiency was greatest‚ recording 50.3% efficiency and this was possibly due to the smaller turbulent flow and thus having a smaller resistance due to the friction coefficient of the pipe. The predicted hydraulic power and head for the 228mm diameter impeller was found to be 2897.04W and 252.7kPa respectively. However‚ the prediction is only theoretical and might not have the same result if carried out experimentally
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References: * F. Durst‚cFluid Mechanics-An Introduction to the Theory and Fluid Flows‚ Springer-Verlag Berlin Heidelberg‚ 2008.
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Tube Radius on Fluid Flow. 1. At which radius was the fluid flow rate the highest? 6.0 mm 2. What was the flow rate at this radius? 1017.4 mmHg 3. Describe the relationship between flow rate and radius size. It was direct 4. What happens to blood vessels in the body if increased blood flow is needed? They dilate to increase flow The following questions refer to Activity 2: Studying the Effect of Viscosity on Fluid Flow. 5. At what viscosity level was the fluid flow rate the highest
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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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and flap brakes 8. Pitch changing mechanism‚ spoilers on flaps 9. Bomb bay doors and bomb displacement gears 2.Principles of Operation Part of the hydraulic system is the actuating cylinder whose main function is to change hydraulic (fluid) power to
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high forces with low losses‚ thanks to the virtual incompressibility of hydraulic fluids. Pneumatics is usually less efficient‚ though simpler since the "reservoir" in the circuit is the atmosphere. That eliminates return piping and leakage problems. b) Advantages: It uses ’incompressible’ fluid which results in a greater‚ more efficient & consistent work or power output. This is due to the fact that hydraulic fluid molecules are able to resist compression under heavy load hence minimal energy loss
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determination of force which are exerted by liquid which are at rest on surface immersed in liquids. From the study by hydrostatic‚ the following principles have been established : a) There are no shear stress present when the fluid is not in motion. b) The pressure exerted by a fluid under hydrostatic conditions. This pressure acts perpendicular to an immersed surface. c) Hydrostatic pressure various linearly‚ increasing with an increase in depth. OBJECTIVES 1. To determine the hydrostatic
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4.4 MarkingScheme For 1mark multiple-choice questions‚ 1/3 mark will be deducted for a wrong answer. Likewise‚for 2 marks multiple-choice questions‚ 2/3 mark will be deducted for a wrong answer. However‚for the linked answer question pair‚ where each question carries 2 marks‚ 2/3 mark will bededucted for a wrong answer to the first question only. There is no negative marking for wronganswer to the second question of the linked answer question pair. If the first question in thelinked pair is wrongly
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characteristics of an impulse turbine. Apparatus: Armfield Pelton Turbine‚ Armfield Hydraulics Bench and digital tachometer. Sketch a labeled schmematic diagram of the apparatus. Theory and Definitions: (Ref. Munson/Young/Okiishi A Brief Introduction to Fluid Mechanics‚ 3/e‚ p. 479) 1. Ideal Power and efficiency From 1-D energy equation‚ derive the ideal (inviscid flow) power output of an impulse turbine in terms of the flow rate and jet velocity. Review the definition of output power of a rotating
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