surface because of pressure from inside the cylinder or outside the cylinder. For example‚ when a submarine‚ which is roughly cylindrical dives deeper‚ the sub is subjected to hoop stress because of the pressure of water surrounding it. The hoop stress is twice as much as the longitudinal stress for the cylindrical pressure vessel. The Equation for Hoop Stress is Longitudinal Stress (Axial stress) is simply the stress due to Axial pressure. When the cylinder has closed ends the internal pressure acts
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the name”. Example: Give the child a large and a small cylinder and say “this is large” and “this is small.” 2nd period: “Recognition of the object corresponding to the name.” Example: Ask the child to indicate which is the large cylinder and which is the small cylinder. 3rd period: “the remembering of the name corresponding to the object.” Example: show the child the large cylinder and say “what is this?” then show him the small cylinder and say “what is this?” The 3 period name lesson is very
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ABSTRACT This report aims to measure the pressure variation and different contributing components of the drag force on a circular cylinder. The devices used in this experiment were a fan‚ closed-channel venturi-shape pipe‚ a Pitot tube‚ circular cylinder with holes of different angles‚ U-tube manometers and a barometer. INTRODUCTION When a fluid is passing through an object‚ it produces a total force on the object. This force is a combined force of lift and drag forces (Anderson 2007). External
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Sea Cucumber Condition and Trepang Industry in the Philippines Leejee Moody M. Zamora BS Biology Program‚ Sciences Cluster University of the Philippines Cebu 6000‚ Gorordo Avenue‚ Cebu City Abstract Sea cucumbers are under Phylum Echinodermata and Family Holothuridae and Stichopodidae. In the Philippines‚ there are over 170 known sea cucumber species and 69 of these are commercially exploited. The Philippines has no specific regulatory and management measures for sea cucumbers ever since
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set one back a bit. The clear advantage of a carburetor engine is that it is not restricted by how much gas is pumped from the fuel tank. This means that any modifications to the cam in an attempt to make the engine "breathe better" will allow the cylinders to pull more fuel through the carburetor resulting in a more dense explosive mixture in the combustion chamber. The end result… unrivaled power! Multi-point fuel injection injects fuel into the intake port just upstream of the cylinder’s intake
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hydrogen peroxide molecules. I predict that the rate of reaction with 20 catalase will be double that of 10 catalase because if you have double the catalase then they will digest the hydrogen peroxide twice as quick. Equipment * Small measuring cylinder 100ml * Pipette *
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and start the combustion process inside the cylinder. Battery voltage from the ignition system applies to the positive side of the ignition coil and pulsates the ground on and off. Late ignition systems used a mechanically driven point system to make voltage and as well to cut voltage off by cutting off the electric ground. The cam lobe inside the disturber and is also driven by the distributor as it opens the points and has one lobe for each cylinder. A rubbing block is lubricated from the cam
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engines work on the principle of converting chemical energy into mechanical work and evolve from external combustion engine to internal combustion engine. External combustion engine is the heat engine in which fuel combustion takes place external to cylinder. Due to this it is bulky and consumes lot of place. Second revolution of heat engines are ICE in which fuel combustion takes internally and consumes less place and became compact‚ cost effective. Of late third revolution is NANO Internal Combustion
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of error in this experiment can be said by the followings: Wear and backlash in the gauge linkage can growth or lessening the pressure. Air bubbles inside the tester unit may give rise to incorrect reading. Static friction between the piston and cylinder may yield lesser gauge reading. Reading the gauge may be incorrect due to weak eye vision. Conclusion In this experiment‚ our purpose was to calibrate a Bourdon tube gauge. Despite of some insignificant errors‚ the experiment has been carried out
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8.31.11 Basic Hydraulics-W @ 8:30 How to Read a Pressure gauge SI System-Metric-Pascals English System-psi kPa=Kilo Pascals 1 kPa=100 pascals 6.9 kPa=1 psi The range of a scale= 1->1000 psi(Range) A gauge could be off 50 lbs!!! 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
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