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A Closed, Rigid tank contains a two-phase liquid-vapor mixture of Refrigerant 22 initially at -20oC with a quality of 50.36%. Energy Transfer by heat into the tank occurs until the refrigerant is at a final pressure of 6 bars. Determine the final temperature, in oC. If the final state is in the superheated vapor region, at what temperature, in oC, does the tank contain only saturated vapor?
consider a large plane wall of thickness l0.4 m thermal conductivity k 1.8 wmmiddotdegc and surface area a 30 m2. the
Twenty-five samples of steel beam were chosen and tested for Young's Modulus. Eight had a modulus of E = 30 x 10^6 psi. Two had a modulus of E = 29 x 10^6 psi. Fifteen had a modulus of E = 30. x 1-^6 psi.
explain the operating principles and discuss the significant energy transfer and environmental impacts for nuclear
ethane gas burned in stoichiometric proportions of air in a closed flexible container. the reactants are initially at 1
a 4-in. diameter disk shown weigts 20 lb. the disk is released at rest when theta30 degrees and rolls down the curved
a .75 m3 rigid tank initially contains water at 250degc 50 liquid and 50 vapor by volume. a valve at the bottom of the
in space ships heat rejection to the surroundings is by radiation. a radiator in a space ship has an absorptivity alpha
The lattice constant for BCC tantalum at 20oC is 0.33026 nm and its density is 16.6 g/cm3. Calculate a value for its atomic mass.
i would like to have this problem solved. the problem is here in the attachment. if you have anymore information please
What is the communication time if the local conditions limit spacecraft visibility to elevation angles larger than = 18 degrees?
During the process, the pressure and specific volume are related by pv = constant. For the refrigerant, determine the work and heat transfer per unit mass, each in KJ/kg.
the compressor and turbine of a simple gas turbine engine each have isentropic efficiencies of 95. the compressor
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