with holes near both ends‚ • a length of string attached to the rule at the 49.0 cm mark‚ • a pivot in the form of a thin rod or nail‚ • a 50 g mass labelled P‚ • a pulley supported above the bench‚ • a stand and boss to support the pivot‚ • a metre rule‚ • a set square. (a) The Supervisor has set up the apparatus as shown in Fig. 1.1. boss pivot (thin rod) half-metre
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Experiment 1 – Thermal and Electrical Conductivity of Metals 1. BACKGROUND If a temperature difference exists between different locations of a body‚ heat conduction occurs. In this experiment there is a one-dimensional temperature gradient along a rod. The quantity of heat dQ transported with time dt is a function of the cross-sectional area a and the temperature gradient dT/dx perpendicular to the surface. (1) λ is the heat conductivity of the substance. The temperature distribution in a body is
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downwards. The movement is smooth and at a constant speed. Cranks An arm attached at right angles to a rotating shaft. It is used to convert a circular motion into a reciprocating motion. Attached to the end of the crank by a pivot is a connecting rod. The end of the rod attached to the crank moves in a circular motion‚ while the other end is usually constrained to move in a linear sliding motion. Gears Bevel It is used when the direction of a shaft’s rotation needs to be changed. They are
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which includes daily maintenance and inspection‚ maintenance‚ repair and overhaul. 1‚ Except for repair work‚ overhaul also includes the replacement of turning eccentric shaft and the mandrel‚ casting the babbitt metal of the upper part of the connecting rod head‚ replacement or repair a worn parts. Overhaul cycle is generally 5 years. 2‚ Repair including the replacement of the thrust plate‚ lining‚ check and repair of bearing. Repair cycle is generally 1~2 years. 3‚ The main contents include examination
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between sieves were 10 cm (Fig. 4). The oscillating or the rocking legs were made from sheet metal having a thickness of 4 mm‚ a width of 4 cm and height of 50 cm. The bottom side of separating and cleaning unit was connected to connecting rod. The other end of the connecting rod was connected to a wrist pin eccentric to the wheel centre that produced a reciprocating motion on the separating and cleaning
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INTERNAL COMBUSTION ENGINES INTERNAL COMBUSTION ENGINES Mihir Sen University of Notre Dame November 11‚ 2009 1/ 55 INTERNAL COMBUSTION ENGINES Outline 1 Outline 2 Basics 3 Classification 4 Terminology 5 Components 6 Operation 7 Thermodynamics 8 Parameters 9 Output 2/ 55 INTERNAL COMBUSTION ENGINES Basics Historical Lenoir‚ 1860: first auto Otto and Langen‚ 1867: efficiency about 11% Diesel‚ by 1892: compression ignition engine 3/ 55 INTERNAL COMBUSTION ENGINES Basics
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Project Title: Fruits and vegetables have voltage? Problem & Purpose: The purpose of the experiment is to understand how battery works and find out which fruit and vegetables that we eat can be used as an alternative way for a battery source. I become interested on seeing how batteries where used to power up my flash light and toys.
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to go on this trip because we have not went on a family trip since I was 12. We have brought foods such as rice‚ chicken‚ snacks‚ and drinks like Coke or juice. We also brought some equipment to prepare the foods. I would never forget my fishing rod‚ because there is a good area for fishing. We left our house at 2 in the afternoon and the journey to the beach took approximately an hour ‚ therefore we arrived at the beach at 3:00 P.M. It was very fun on the way to the beach. My brother and I
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BUILD AN EARTHQUAKE DETECTOR If you live in an earthquake zone‚ this vibration sensor can save your property or your life. If not‚ it can be used as a bur- or many of us that live in a seismically active region‚ an earthquake is a very real and constant threat. Even moderate earthquakes that are not strong enough to hurt anyone can cause a significant amount of damage to the contents of your house if you are not prepared. Although earthquake prediction has made great strides over the
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Service Training Self-Study Program 824803 The Volkswagen 2.0 Liter Chain-Driven TSI Engine Volkswagen Group of America‚ Inc. Volkswagen Academy Printed in U.S.A. Printed 5/2008 Course Number 824803 ©2008 Volkswagen Group of America‚ Inc. All rights reserved. All information contained in t his manual is based on the latest information available at the time of printing and is subject to the copyright and other intellectual property rights of Volkswagen Group of America‚ Inc.‚
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