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A heat engine (power cycle) is operating on a Carnot cycle and has a thermal efficiency of 75%. The waste heat from this engine is rejected to a nearby lake at 15oC at a rate of 14 kW. Determine the power output of the engine?
an air-conditioner with refrigerant -134a as the working fluid is used to keep a room at 26 celsius by rejecting the
a constant-pressure balloon contains 1.5-lbm saturated water vapor at 15 psia. heat loss from the balloon causes all
determine the equivalent state of stress on an element at the same point oriented 45 degrees clockwise with respect to
a piston cylinder contains air at 350 kpa and 20 c. it is then heated at constant pressure until its volume increases
Draw the front view and right view and the down-view.
an electrical wire having a diameter of 1.5 mm and covered with a plastic insulation thickness 2.5 mm is exposed to
Knowing that the pipe has inner and outer dimensions equal to 35 and 42 mm, respectively, detemine the normal and shearing stresses at point a and point b.
find a cylindrical container that is large enough that it takes at least one minute to drain you may have to create an
steam powerplant produces 200 mw power. saturated steam exits boiler at 3mpa pressure. turbine exits 10kpa pressure.
a refrigerator uses refrigerant-134a as the working fluid and operates on an ideal vapor-compression refrigeration
a radiation detector having a sensitive area of ad4times10-6 m2 is configured to receive radiation from a target area
a rigid tank contains 7.5 kg of saturated water mixture at 400 kpa. a valve at the bottom of the tank is now opened and
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