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A system receives 10 kj of energy to do something. the system is adiabatic and it's super efficient. How much work energy is delivered by the system and how much heat energy is delivered by it? the system is stationary and no significant change in any velocities.
r-134a is contained in a sealed glass vessel at 50oc. as it is cooled droplets are noted condensing on the sidewalls at
the problem says that we have a 3-axis stabilized satellite with a power budget of 1500 watts for the communications
calculate the overall efficiency the heat rate mw and the total fuel rate kgs of a combined-cycle power plant 1 if no
a piston cylinder containing ar at some initial temperatureto is allowed to cool. once the volume of the cylinder
1 a piston-cylinder device contains 5 kg of r134a at 800 kpa and 60 c. the refrigerant is now cooled at constant
consider the reversible adiabatic flow of stream through a nozzle. steam enters the nozzle at 1 mpa and 300degc with a
a stone is thrown vertically upward from a point on a bridge located 40 m above the water. knowing that it strikes the
The heating is to be done in a mixing tank by direct injection of the steam, all of which condenses. Determine the two inlet mass flows needed to meet the desired hot water flow rate.
a fan drawing electricity at a rate of 1.5 kw is located in a room measuring 10 ft times 13 ft times 16 ft. the air in
calculate the flow energy per pound-mass enthalpy and total enthalpy. two kilograms of ammonia at 200kpa .755 m3kg and
write a matlab code to draw a cubic bezier curve using decasteljau algorithm. the input to the program should be four
the 25-kg bar bd is attached to the two light links ab and cd and moves in the vertical plane. the lower link is
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