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A glass retort is to be used under the conditions that the temperature of the inside of the wall is 100?C and the outside is 0?C. What stress will develop on the outside? The properties of the glass are α = 1.5 × 10-6/?C, E = 70 GPa, υ = 0.30. [Hint: Assume a linear temperature gradient and for simplicity take the midpoint strain as zero.]
Consider a Carnot heat engine and a refrigerator operating between the same two thermal energy reservoirs. If the thermal efficiency of the heat engine is 0.80, the COP of the refrigerator is?
u.s. energy use was approximately 100 quads quadrillions btu in 2008. about 85 of this energy was supplied by burning
a liquid mixture of 30 mole benzene b 25 mole toluene t 45 mole xylene x is fed to a distillation column. the bottoms
determine the required size for a square bar to be made from aisi 1213 cold-drawn steel. it carries a constant axial
a solid shaft for a power generator is produced from aluminium plus 1 copper alloy. the shaft makes one revolution per
A uniform ?ow V ¼ 20i m=s is superimposed on a source of strength 20p m2/s and a sink of equal strength located at (22 m, 0) and (2 m, 0), respectively. The resulting body formed by the appropriate streamline is a Rankine oval. Determine the lengt..
a hemisphere shell with mass m and radius r rests on a horizontal table. at the top of the shell there is a hole. the
What is the amount of work required to stretch a linear spring from its rest position by an amount of 0.20m if it has a spring constant of 45 kN/m. A water pump increases the water pressure from 15 psia to 55 psia. Determine the power input required,..
water at 70 kpa and 100 c is compressed isentropically in a closed system to 5 mpa.determine the final temperature of
a downward force of 98 n acts on the free end of the illustrated pulley. ma 47 kg what is block as acceleration?
a steel mill has a production set up where metal sheets are rolled for desired thickness as they emerge from the
how can i relate hydraulic analysis of a pipeline using HYSYS software and pipeline convertion process? Where can the data be obtained on this topic?
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