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A light bulbs operate at a temperature of 2500 C when bright

Question # 00157461
Subject: Engineering
Due on: 01/22/2016
Posted On: 12/23/2015 01:48 AM

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A light bulbs operate at a temperature of 2500 C when bright and 2200 C when dim. The creep rate of the filament when bright is 1.5 times that when dim. Assuming that the activation energy is constant within this temperature range, and that a single creep diffusion mechanism operates, calculate the activation energy in kJ/mol. You can assume that the stress is the same when the light is bright or dim.Q (in kJ/mol)

Tags 0 bright temperature operate bulbs light bright creep light energy kjmol activation temperature operates mechanism diffusion calculate bulbs dimq stre aume single range filament rate 0 times auming constant operate 1

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A light bulbs operate at a temperature of 2500 C when bright

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