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a power cycle operates between hot and cold reservoirs at 500 k and 310 k at steady state the cycle develops a power
at steady state a heat pump driven by an electric motor maintains the interior of a building at th293 k the rate of
super-heated water steam at 6 mpa and 400c enters a turbine with a velocity 50 ms it leaves the turbine at 70 kpa and
to study the velocity profile of motor-oil flow in a circular pipe it was proposed to conduct a test using water
an insulated vessel is divided into two compartments connected by a valve initially one compartment contains steam at
determine the least area of a cross section of an astm-a36 steel bar required to support a tensile load of 100000 lbs
a spherical water droplet having a diameter of 13 mm is allowed to fall from rest in atmospheric air at 1 atm and 20c
methane gas ch4 at 25deg c 1 atm enters an insulated reactor operating at steady state and burns completely withnbsp x
the proposed design for anemometer to determine the velocity of an airstream in a wind tunnel is comprised of a thin
a room has 1000 ft2 of surface of which 120 ft2 is to be heated and the balance has an average surface temperature of
the flow around a model of a turbine blade is investigated the model is five times larger than the prototype a maximum
an idealcalorically perfect gas enters a constant-area heater at a mach number of 020 a total pressure of 700 kpa and a
in a thermodynamic cycle consisting of four processes the heat and work are as follows q kj 30 -10 - 20 65 w kj 3 10 -
input range of integral and number of sectionsshow results for all of the methods we discussed in labriemann lowriemann
decorative water fountains consist of a water reservoir and underground piping to and from a pumpone such system is
an adiabatic constant-volume combustion chamber is filled with a mixture of air and methane lambda afrafrs 13 the
a 15 msec wind at 1013 kpa and 20 degrees celeus enter a two-bladed wind turbine with a diameter of 15 m calculate the
with the aid of chvorinovrsquos rule calculate the relative solidification times for castings of identical volumes of
pure lead density 10 500 kgm3 and kinematic viscosity 1617x10-7 msec is poured into a sand mold the metal level in
the transfer function between the elevator input and the pitch attitude of a plane is given bygs160s25s07 s2 5s40s2
a turbojet engine is designed for cruise conditions of 600mihr at an altitude of 10000 meters where the ambient
the specific heat c of pure copper is given at 100 200 400 600 and 800 k as 252 356 397 417 and 433 jkg k employ
an important fluid property is the kinematic viscosity which determines the viscous or frictional forces acting in a