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A 15.9-kg aluminium block initially at 197 C is brought into contact with a 17-kg block of iron at 92 C in an insulated enclosure. Determine the final equilibrium temperature and the total entropy change for this process.
a steel shaft of radius r75mm is subjected to an axial compression p81kn a twisting moment t15.6kn.m and a bending
Shows an electric-circuit which is called a phase-lag network. Derive the transfer function and consider the above bock-diagram of figure (3). You are now required to derive the transfer function Y(s)/R(s), by using the signal flow graph meth..
A certain industrial process requires a steady 0.75 kg/s supply of compressed air at 500 kPa, at a maximum temperature of 30C. This air is to be supplied by installing a compressor and after cooler. Local ambient conditions are 100 kPa, 20C. Using a ..
determine the slenderness ratio of a 5 m column with built end if its cross section is a circular with a radius of 40 mm and b 50 mm square use the concept of effective length.
The board is used to hold the end of a four-way lug wrench in position. A torque of 40 N.m about the x-axis is required to tighten the nut. You decided to step at the end of the wrench in order to turn it. Assume that the force provided by your foot ..
the change in diameter 2.5 in. of a large steel bolt is carefully measured as the nut is tightened. knowing that e 29 x
water at 200kpa with a quality of 90 enters a well insulated compressor. it leaves this compressor at 1 mpa 300 celcius
aluminum-copper alloy96 atom al 4 atom cu is solution-annealed at 550c and then aged at 450c. at 450c a cual2
steel rods of 0.05m diameter are heat treated by being passed through a heat-treating furnace in which the atmosphere
a refrigerator operates on the ideal vapor compression refrigeration cycle with r-134a as the working fluid between the
steam enters a two-stage adiabatic turbine at 8 mpa and 550ordmc state 1 and is expanded to 2 mpa state 2 in the first
What is the difference between the cooling rate and hardenability? How the sample sizes affect the cooling rate and hardenability and martensite can also be obtained through water quenching of alloy steels, why oil quenching is normally used in in..
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