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Two parallel planes 1.2x1.2 are splited by a distance of 1.2 m. the emissivity's of the planes are 0.4 and 0.6, and the temperature are 760 and 300 oC, correspondingly. A 1.2x1.2 radiation shield having an emissivity of 0.05 on both side situated equidistance among the two planes. The combined arrangement is placed in a large room which is maintained at 40 oC. (a) Determine heat transfer rate from each of the two planes if the shield were not present. (b) Determine heat transfer rate from each of the two planes if the shield were present. (c) Temperature of the shield.
Ask question #haMinimum 100 words accepted#Okkkk Hardness of bore well water is less than sea water. Justify
Explain Ferromagnetic materials Ferromagnetic materials are those with spontaneous magnetic alignment. Ferromagnetism is the property of a material to be powerfully attracted
INTRODUCTION : This exercise is based on here of this course where you were introduced to For Mode-1 Students the essential features of a good preparation room that offers service
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Bulk defects * Voids are little regions where there are no atoms, and can be thought of as clusters of vacancies. * Impurities can cluster jointly to form small regions of a
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Wet air containing 4.0 mole% water vapor at 76°F and 14.8 psia is passed through a column of calcium chloride pellets. The pellets absorb 97% of the water and none of the other con
air flows through apipe at arte of 200L/S. The pipe of two sections of diameters 20cm and 10cm with asmoth reducing section the pressure are difference between the two pipe sectio
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1. In the system shown schematically below, water is supplied to a spray nozzle by a gear pump with a constant output of 20 US gpm. The flow rate of water discharged through t
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