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A power cycle operates between a lake's surface water at a temperature of 300 K and water at a depth whose temperature is 285 K. At steady state the cycle develops a power output of 10 kW, while rejecting energy by heat transfer to the lower temperature water at the rate 14,400 kJ/min. Determine (a) the thermal efficiency of the power cycle and (b) the maximum thermal efficiency for any such power cycle.
a driver of a car is repeatedy driving around a roundabout with a diameter of 100feet . the driver is traveling around
a sand core used to form the internal surfaces of a steel casting experiences a buoyancy force of 23 kg. the volume of
the critical heat flux of water at 1 atm is qmax 1258.7 kwm which occurs at ?t 30c. boiling enters the transition
What will be the length of the specimen after the load is removed? d) The specimen was reloaded until fracture. If the % reduction in area after fracture was 40%, what is the minimum diameter of the specimen at fracture?
if a undirectional composite part is designed to have a fiber volume fraction of 0.69 and uses liquid crystal polymer
118 an insulated rigid tank whose volume is 0.5 m3 is connected by a valve to a large vessel holding steam at 40 bar
a steam turbine operates with 1.6 mpa and 350 degree c steam at its inlet and saturated vapor at 30 degree c at its
what effect do finned surfaces have on the overall heat transfer coefficient and hence the performance of a heat
Solve the problem in the image. Do it step wise in detail. This question is from book "Fracture Mechanics - An Introduction - E. Gdoutos Springer (Page 74)"
water with a pressure of 800 kpa and a quality of 0.334 undergoes a constant pressure expansion process to four times
two blocks a and b of mass 8 kg and 12 kg respectively hang from a cable which passes over a pulley of negligible mass.
a single stream tube is selected to characterize the air flow past the wing of an aircraft in flight at an altitude of
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