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A heat engine accepts 200,000 kJ of heat from a source at 800 K and rejects 100,000 kJ of heat to a sink at 300 K. Calculate the entropy change of all the components of this engine and determine if it is completely reversible. How much total work does it produced?
a particle which moves in two-dimensional motion has coordinates given in inches by x t2 - 4t 20 and y 3 sin 2t
heat treatment is common in processing semiconductor materials. a 200- mm-diameter silicon wafer with thickness of 725
a steel rod of 4m length is attached at both ends at 30 degree c. the coeff of thermal expansion is 11 10-6 and moe
three particles are sliding along a flat frictionless surface ma 0.4 kg mb 0.5 kg and mc 0.4 kg. before any
the melting temperatures for various materials are listed in the inside cover of callister. some representative values
Write a report on Heat Treatment and Hardenability of Steels.
how thick does the 4140 steel need to be if it is a cyclander with a diameter of 8.252 inches and is 1.5 inches deep
where , and r is the expansion pressure ratio, γ is the ratio of specific heats. An axial flow turbine has a small stage efficiency of 86%, an overall pressure ratio of 4.5 to 1 and a mean value of γ equal to 1.333. Calculate the overall turbine ..
Consider an adiabatic mixing chamber operating at steady state into which steam enters with quality of 0.9. Water enters through a separate inlet at 300C. At the exit the temperature is 1500C and mass flow rate is 2 kg/s. The pressure in the mixing c..
air enters a machine at 373 k with a speed of 200 msec and leaves it at the temperature of the standard sea level
a hot-wire anemometer is a temperature-based instrument for measuring velocities in a flowing gas. the key component of
Draw an assembly drawing of the given object. Draw detail drawings for all nonstandard parts.
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