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A mass of 0.25 kg of CO2 at a temperature of 300 K and pressure of 100 kPa is heated at constant pressure to a volume such at V2/V1=6. Assume constant specific heat ideal gas properties evaluated at 400 K. Find T2 in degrees K and heat transfer Q and the work W for this process in kJ.
steam in a piston-cylinder assembly undergoes a polytropic process with n2 from an initial state where p 500 psia and
a refrigerator with a coefficient of performance of 4.0 transfers heat from a cold region at -20 degrees c to a hot a
a r-12 plant is to develop 5 tons of refrigeration. the condenser and evaporator temperature are to be 40c and -10 c
an iron ball is thrown into the atlantic ocean. density of iron is 7856 kgm3. density of salt water is 1020 kgm3.
a 2 hp electric motor running at 1720 rpm is to drive a blower at a speed of 240 rpm. design a v-belt drive for this
an inventor claims to have devised a refrigeration cycle that at steady state requires a net power of .8 hp to remove
starting from rest a particle moving in a straight line has anacceleration of a 2t - 6 ms2 where t is inseconds. what
an aluminum extrusion dimensions 50x60 with 5 mm thick walls is spot welded to a thin aluminum plate by a single row of
a 0.3 kg softball has a velocity of 15 ms at an angle of 35deg below the horizontal just before making contact with the
a coating that is known to behave as a bingham plastic is being applied to a vertical surface. derive a relationship
What is the difference between mixed and unmixed flow in heat exchangers?
your job is to create a design of Rankine cycle that create the most possible power from this heat source . you may use any working fluid for which you can find the properties , assume the turbines 92% efficient and pumps 85%
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