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A lubricant oil at 68 °F weighs about 1.85 lb. Calculate its specific gravity if the density of this oil is 1.72 slugs/ft3.
Answers: 2
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The temperature of air decreases as it is compressed by an adiabatic compressor. a)- true b)- false
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Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
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On solidification from a melt, the polymer polyethylene forms a semi-crystalline spherulite structure. (i) sketch an individual spherulite and label the amorphous and crystalline regions. (ii) draw a schematic to show the changes in specific volume with temperature during cooling from the melt, comparing it to the theoretical extremes of fully crystalline and fully amorphous (indicate tm and tg)
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Engineering, 06.07.2019 02:30
Define thermoplastic polymers and thermosetting polymers in terms of their structures, and (ii) describe briefly a process suitable for the production of products from each type of polymer.
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A lubricant oil at 68 °F weighs about 1.85 lb. Calculate its specific gravity if the density of this...
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