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CWB Module 9 Exam with Correct Answers
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CWB Module 9 Exam with Correct Answers Adjacent to the molten metal is a zone that reaches high temperatures, but does not melt? - ️️ Heat affected zone Heating, melting, and solidification (cooling) of metal leave us with two important aspects to consider: - ️️ Metallurgical transformations and stresses and strains may be induced causing distortion and possible cracking The rate at which a lamp converts electrical energy into heat and light is given by: - ️️ current times voltage The units of current times voltage is: - ️️ amps x volts = joules per second (or watts) The proportion of total heat energy that enters the plate is known as: - ️️ Efficiency Which welding process has the highest efficiency? -
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