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Water at 25 degrees C enters a heat exchanger at 0.1 kg/s and exits at 50 degrees C. Kerosene enters the other side of the exchanger at 100 degrees C at a rate of 0.1 L/s. Determine a) The kerosene exit temperature in degrees C, b) The rate of heat transfer(KW) between the kerosene and water.
an electric hot plate is maintaned at a temperature of 350 and is used to keep the solution just boiling at 95. the
determine the thermal efficiency and the required steam flow rate kgs for a reheat-regenerative steam power plant which
burning one metric ton 1 000 kg of coal can yield an energy of 3.30x1010j. fission of one nucleus of uranium235 yields
A glass/epoxy laminate with a fiber orientation of 30 degrees is subjected to a shear stress t_xy (or tau_xy) which can be positive or negative.
a vertical piston-cylinder device initially contains 0.25 m3 of air at 600 kpa and 300degc. a valve connected to the
consider a flash chamber operating at steady state as shown in the figure below. refrigerant 134a enters the chamber at
an experiment is to be conducted to determine heat transfer coefficient on the surfaces of tomatoes that are placed in
a two stage cascade refrigeration system is to provide cooling at -40c while operating the high temperature condenser
a frictionless piston cylinder device contains 10kg of nitrogen initially at 200kpa and 27c. the nitrogen is now heated
a household refrigerator that has a power input of 80w assume constant work input over time and a coefficient of
a 4140 steel alloy beam is designed to support a load at 50 of the yield stress. the beam is bolted to a bridge truss
a heat engine receives heat from a source at 1200 k at a rate of 500 kjs and rejects the waste heat to a medium at 300
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