The physical characteristics or attributes Essay

Mechanism descriptions are precise portrayals of material devices with two or more parts that function together to do something. ” Range in Complexity A pair of pliers A bicycle An automobile A jet plane like the Boeing 787 The space SSH Tuttle Copyright 2009 – Joanne Degrade, ICE, US 4 Mechanism Description focus A mechanism descriptions’ primary focus is on the physical characteristics or attributes of the device and its parts. Thus they tell the size, shape, color, finish, fit, etc. For the complete mechanism and its for each of its parts. Descriptions typically include figures, isograms, or photographs. Mechanism description may It may extend to include a more expansive discussion of the function or theory of operation. When it does this is becomes a Functional Mechanism Description 6 Mechanism Description Example Internal Combustion Engine Mechanism Description – the complete engine, the cylinder head, the block, the valves, the pistons, the crankshaft, Describe the complete engine Describe the cylinder head Describe the block Describe the piston which also has piston rings, connecting rod, piston rod, and crankshaft bearings. 7 Melanin’s Description Introduction

Define the mechanism with a technical definition and add extensions necessary for the reader to understand the discussion. Describe the mechanism’s overall function or purpose. Describe the mechanism’s overall appearance List the mechanism’s parts in the order in which they will be described. 8 Mechanism Description (2) Discussion Step 1 Steps 2 to n Define first part with a technical definition. Describe the part’s overall function or purpose. Describe the part’s shape, material, etc. Transition to the next part. Repeat as for step 1 for the remainder of the parts. Conclusion Summarize and provide closure.

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A Mechanism Description The Mechanism – a 33-kilo resistor The 33-kilo, I-watt carbon resistor is a circuit component that impedes the flow of electric cue rent. The resistor impedes the movement of electrons, thereby generating a thermal response depending on temperature, cross section, and length of the resistive element. The resulting resistance 10 The parts The resistor consists of the following parts: the carbon element, the wire leads, the casing, and the color bands. The Part Description The carbon element is the capsule of resistive material that coverts electrical energy into heat.

The arbor element serves as the primary active… The carbon element is cylindrically shaped and is 2. 4 CM long with a diameter of . 32 CM. It is composed of finely ground carbon particles mixed with a ceramic binding compound. The element is gray with . 11 The conclusion The 33-kilo I-watt carbon resistor is a circuit component that impedes the flow of electric current through the use of a carbon element. The resistor is made up of four parts: the carbon element, Together, these parts form one of the most commonly used circuit components in electronic systems today. Copyright 2009 – Joanne Degrade, ICE, OSI 12 The visual aids

Mechanism description almost require visual aids. BUT – only include visual aids that add to the description You are writing the description of a basic car Your figure if a basic Ford sedan or a Ferreira. The visuals specifically relate to the text discussion and numbered in sequence as referenced.