100 marks ( ?? % Final) Chapter 1: Fluids statics assignment 1. A spherical tank of methanol with internal diameter of 0.75m has a mass of 1400 kg. Find the methanol’s weight‚ density‚ specific weight‚ specific volume‚ specific gravity and dynamic viscosity if kinematic viscosity is 1.5 stoke Weight‚ 13734 N Density‚6337.9 kg/m³ Specific weight‚ 62174 N/m³ Specific volume‚1.578×10-4 m³/kg Specific gravity‚ 6.34 Dynamic viscosity‚ 0.95 kg/m.s 2. A cone with base radius of 5 cm and height
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Measurements Object Measured|Mass in g|Mass in kg| Quarter|5.6|0.0056| 3 Pennies|7.5|0.0075| Pencil|5.9|0.0059| Volume Measurements and Density Measurements with liquids Water: Mass of empty graduated cylinder __16.7g Volume of water in graduated cylinder __5.0mL Mass of graduated cylinder and water __21.6g Net mass of the water __ 4.9g Density of the water __0.98g/mL Percent error ___2.0% Alcohol: Mass of empty graduated cylinder ____16.7g Volume of alcohol
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time in one of the experiments). 1.1 MEASUREMENT OF THE DENSITY OF A LIQUID 1.1.1 Objective The density of a liquid is to be measured using a hydrometer. 1.1.2 Theory A hydrometer uses the principle of buoyancy to determine the specific gravity of a liquid. Here‚ the weight of the hydrometer (set by the metal spheres in its bulb) is balanced by the buoyancy force exerted by the liquid in which it is immersed. The buoyancy force is the weight of the liquid displaced by the solid. Figure
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The density of the golf ball in the lab is higher than the average density of a golf ball. This means that the golf ball was made for long shots in the golf course. The neutral buoyancy was successfully achieved when the molarity of the solution was 3.33M. Therefore‚ if the water hazards in golf ball courses had a higher molarity than 3.33M‚ then golf balls would float to the surface. However‚ repeated errors in the lab might have caused inaccurate calculations. For example‚ the beaker was too small
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Objective: The Levodopa effervescent floating tablets were prepared using different low density polymers (POLYOX different grades) in various drug polymer ratios for prolongation of gastric residence time and to improve the patience compliance. Methods: The Levodopa effervescent floating tablets were prepared by direct compression method. The floating tablets were evaluated for friability‚ thickness‚ hardness‚ weight variation test‚ drug content‚in vitro release and floating properties. The drug
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Ship Stability for Masters and Mates Ship Stability for Masters and Mates Fifth edition Captain D. R. Derrett Revised by Dr C. B. Barrass OXFORD AUCKLAND BOSTON JOHANNESBURG MELBOURNE NEW DELHI Butterworth-Heinemann Linacre House‚ Jordan Hill‚ Oxford OX2 8DP 225 Wildwood Avenue‚ Woburn‚ MA 01801-2041 A division of Reed Educational and Professional Publishing Ltd A member of the Reed Elsevier plc group First published by Stanford Maritime Ltd 1964 Third edition (metric) 1972 Reprinted
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Title: Archimedes principle Objective: To use Archimedes Principle to determine the density of an object more dense than water. Introduction: Archimedes ’ principle is a law of physics stating that the upward force (buoyancy) exerted on a body immersed in a fluid is equal to the weight of the amount of fluid the body displaces. In other words‚ an immersed object is buoyed up by a force equal to the weight of the fluid it actually displaces. Hence‚ the buoyant force on a submerged object is the
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Anantapur - 515 003‚. Abstract We discuss the free and forced convection flow through a porous medium in a coaxial cylindrical duct where the boundaries are maintained at constant temperature and concentration. The effect of density variation is confined to the buoyancy term under Boussinesq approximation. The momentum‚ energy and diffusion equations are coupled equations. In order to obtain a better insight into this complex problem‚ we make use of Galerkin finite element analysis with quadratic
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to Figure 1‚ the weight W of the floating body passes through its center of gravity G. The upthrust or buoyancy force FB acting on the floating body passes through the center of buoyancy B‚ which corresponds to the centroid of the displaced fluid. When the floating body is subjected to a small angular displacement or perturbation θ about its equilibrium upright configuration‚ the center of buoyancy shifts from B to B’‚ while the center of gravity of the floating body remains unchanged at G. A vertical
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Sci Research article Pharm www.scipharm.at Open Open Access Formulation Optimization of Hydrodynamically Balanced Oral Controlled Release Bioadhesive Tablets of Tramadol Hydrochloride Bhupinder SINGH *‚ Ashu RANI‚ BABITA‚ Naveen AHUJA‚ Rishi KAPIL University Institute of Pharmaceutical Sciences‚ UGC Center of Advanced Studies‚ Panjab University 160 014‚ Chandigarh‚ India. * Corresponding author. E-mail: bsbhoop@yahoo.com (B. Singh) Sci Pharm. 2010; 78: 303–323 Published: Accepted:
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