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R134a flowing at 12 m/s enters a 25 mm diameter tube at a quality of 15%, at 36 0C and exits the tube at 10 bar as a saturated liquid. Determine (a) the mass flow rate of the R134a in kg/s, (b) the velocity of the R134a at the exit in m/s and (c) the rate of heat transfer in kW.
a water pump increases water pressure from 10 psia to 50 psi. determine the power input required in hp to pump 1.2 ft3s
0.2 m3 of saturated liquid r-134a in a piston cylinder is heated at a constant pressure of 800kpa to 50 dcg c. what is
Air in piston/cylinder at 200 kPa, 600K is expanded in a constant-pressure process to twice the initial volume (state 2). At this point, the piston is locked with a pin and heat is transferred to a final temperature of 600K. Find the work and heat..
the mass of each pulley of the system is m and the mass of the suspended object a is ma. determine the force t
two circus performers pyramus and thisbe. pyramus will swing back and forth with amplitude 8 on a trapeze bar that
one hundred btu of heat are transferred directly from a thermal-energy reservoir at 1200 or to one at 600 or. calculate
the number of vacancies present in some metal at 857degc is 1.7 x 1024 m-3. calculate the number of vacancies at
The lighting requirements of an industrial facility are being met by 700 40-W standard fluorescent lamps. The lamps are close to completing their service life and are to be replaced by their 34-W high-efficiency counterparts that operate on the exist..
a brass rod k 133 wmk 150mm long and 10mm in diameter extends horizontally from a casting at 200 c. the rod is in an
the unit cells of several orthorhombic crystals are described below. what is the bravais lattice of each and how do you
standard atmospheric air at stagnation conditions t0 59 degree f p0 14.7 psia is drawn steadily through a
a water jet pump has a jet area of a0 and jet speec v0. the jet is within a secondary stream of water having speed
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