The Hong Kong Polytechnic University Department of Mechanical Engineering CONSULTANCY SERVICE FOR RYOWO (HOLDING) COMPANY‚ LIMITED Uniaxial Tensile Test on SMC Panels by Dr. P.C. Tse (Associate Professor‚ BSc‚ MSc‚ PhD‚ MHKIE‚ CEng) Department of Mechanical Engineering The Hong Kong Polytechnic University Date: 19 April 2006 1 The Hong Kong Polytechnic University Department of Mechanical Engineering Contents (A) Summary (B) Uniaxial Tensile Test and Fibre Mass Fraction Measurement
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Florida Institute of Technology • Chemical Engineering Department CHE-2101 • Chemical Engineering Fundamentals I • Fall 2012 Homework # 5 [Problems 1‚ 3‚ 4‚ and 5 due: Wednesday‚ September 19th‚ 2012] Problem # 1: Solubility of formaldehyde in a solvent is measured by a spectrophotometer operating at 570 nm. The data collected are optical density versus concentration expressed in grams per liter. Concentration‚ c 100 300 500 600 700 Optical density‚ d 0.086 0.269 0.445 0.538 0.626 Based on Beer’s
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Control Structures | | |A program is usually not limited to a linear sequence of instructions. During its process it may bifurcate‚ repeat code or take decisions. For that purpose‚ C++ provides control structures that serve to specify what has to be done by our program‚ when and under which circumstances. With the introduction of control structures we are going to have to introduce a new concept: the compound-statement or block. A block is a group of statements which are separated by semicolons
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CE 371 HOMEWORK 2 1) Find the difference in pressure between tanks A and B if d1=300mm‚ d2=150mm‚ d3=460mm‚ d4=200 mm and S.GHG =13.6 w=9.80 kN/m3 2) Determine the elevation difference‚ h‚ between the water levels in the two open tanks shown in the figure. w=9.80 kN/m3 3) An air-filled‚ hemispherical shell is attached to the ocean floor at a depth of 10 m as shown in the figure. A mercury barometer located inside the shell reads 765 mm Hg‚ and a mercury U-tube manometer designed to give the
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Jack’s heart pounds as he casts panicked looks around the classroom. He doesn’t recognize the professor‚ he doesn’t know any of the students‚ and he can’t even figure out what the subject is. In front of him is a test. At the very last minute his roommate awakens him. It’s only another anxiety dream. The very fact that dreams like Jack’s are common suggests that college is a stressful situation for young people. The cause of this stress can be academic‚ financial‚ and personal. Academic stress
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Salvation The young Langston Houghes was pressured into believing in Jesus by the church who is responsible for his loss of faith. Langston was in his aunt’s church were a revival was being held “to bring the young lambs to fold…” Langston along with the other “young lambs” were all placed on the mourners’ bench on the front row. Each child one by one accepted Jesus until Langston was last. Langston eventually stood and claimed to have seen Jesus. Langston’s church was responsible for Langston’s
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Knife Gate Valves for Pulverized Fuel application Standards applicable:NFPA 8503 – Standard for Pulverized Fuel Systems –1997 Edition – is Obsolete and consolidated in NFPA 85 – Boiler and Combustion Systems Hazards Code – 2001 Edition (NFPA 85 is consolidation of NFPA 8501‚8502‚8503‚8504‚8505 &8506) Clauses applicable for Knife Gate valves for pulverized fuel application in NFPA 85 :1.3.171 1.3.171.1 Valve Barrier Valve – A valve‚ not necessarily gas tight‚ used to inhibit hot gases from traveling
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Boyle’s Law 1.Example #1: 2.00 L of a gas is at 740.0 mmHg pressure. What is its volume at standard pressure * (740.0 mmHg) (2.00 L) =(760.0 mmHg) (x) * X =(740 mmHg) (2.00L) / (760.0 mmHg) Answer : 2. 5.00 L of a gas is at 1.08 atm. What pressure is obtained when the volume is 10.0 L? * 1.08 atm) (5.00 L) =(x) (10.0 L) * X = (1.08 atm) (5.00 L) / (10.0 L) Answer: 3. 2.50 L of a gas was at an unknown pressure. However‚ at standard pressure‚ its volume was determined to be 8.00 L. What was
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School of Technology‚ Energy and Apprenticeship Instrumentation Control & Electrical Technology (ICET) ICS3305 – F2013 Classroom Exercise # 3 (Process variable Review) PRESSURE CONVERSION TABLE mH2O mH2O psi inHg mmHg mbar Pa 1 0.70307 0.34532 0.01359 0.01019 0.000102 psi 1.42233 1 0.49115 0.01934 0.0145 0.00015 What is the absolute pressure equivalent to 150 psi_g in psi_a? inHg 2.8959 2.03602 1 0.03937 0.02953 0.000295 mmHg 73.55592 51.71493 25.4 1 0.75006 0.0075 mbar 98.0665 68.9476 33
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Kinetic theory of gases Question: How does odor travel from one place to another? Kinetic theory of gases A gas is composed of atoms or molecules The gas particles are in constant random motion Kinetic energy is transferred between particles as they collide Pressure The force exerted per unit of area Formula: pressure/force area Measured by barometer A vacuum is empty space‚ with no particles or pressure. Atmospheric pressure is the collision air particles with objects Units of
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