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The thermal efficiency of an internally reversible heat engine is 62 percent. The working fluid at 23C rejects 100 kJ/min as heat transfer from the engine. Determine:
a) the power output of the engine, in kilowatts
b) the temperature of the fluid during heat addition, in degrees Celcius.
1.based on the hume-rothery rules speculate on the possible driving forces behind the tendency for ordering in this
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Assume you are given a spherical joint where the ball has a radius of 20 mm and socket has a radius of 22 mm. If the contact load is 50 N, E = 210 GPa, and ν = 0.3, determine (a) the radius of the contact area, (b) the maximum contact pressure.
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steam enters a long pipe as a saturated vapor at a pressure of 2 mpa. due to heat loss from the pipe to the
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