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Which of the following is not an advantage of using presentational aids ?
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Steel is coated with a thin layer of ceramic to protect against corrosion. what do you expect to happen to the coating when the temperature of the steel is increased significantly? explain.
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The higher the astm grain size number, the finer the gran is. a)-true b)-false
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Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false
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Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?
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Which of the following is not an advantage of using presentational aids ?...
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