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A converging nozzle with diameter 6cm is attached to a resevoir maintained at 30-C and 150kPa absolute. Determine the mass flux of air flowing through the nozzle if the receiver exit to the atmosphere using the appropriate properties table..
Steam is leaving a pressure cooker whose operating pressure is 30 psia. It is observed that the amount of liquid in the cooker has decreased by 0.45 gal in 60 minutes after the steady operating conditions are established, and the cross-sectional area..
By supplying energy at an average rate of 24,000 kJ/h, a heat pump maintains the temperature of a dwelling at 208C. If electricity costs 8.5 cents per kW ? h, determine the minimum theoretical operating cost for each day of operation if the heat p..
A centrifugal water pump operates at 1750 rpm and delivers 150 gpm of flow at a head of 125 ft. What would be the flow rate and head for a geometrically similar pump having twice the speed and half the diameter?
it is desired to study the effect of turbine inlet temperature on the performance of an ideal steam rankine cycle.
Assuming this pressure creates a force of F = F 0sin( t / t0) on the bullet, determine the velocity of the bullet at any instant it is in the barrel. What is the bullet"s maximum velocity?
A constant-volume tank contains 10 lbm of ammonia initially at 30 lbf/in^2 and 80(deg)F (539.67(deg)R). The ammonia is then cooled until its pressure drops to 10 lbf/in^2. Determine its entropy change from the initial state to the final state.
A sphere 1 ft in diameter is moving horizontally at a depth of 12ft below a water surface where the water temp is 50 deg F. Vmax=1.5Vo, where Vo is the free stream velocity and occurs at the max sphere width. At what speed in still water will cavitat..
In a cryogenic application, carbon monoxide (CO) gas undergoes a constant-pressure process at 1000 lbf/in^2. In a piston-cylinder assembly from T1=-100F to T2=-30F Determine the work for the process, in Btu per lb of carbon monoxide present.
consider a 40 gal. 40000 btuhour electric hot-water heater. assume the controls are set to heat water to 140 degree f
Using n=2 in 2 in Chvorinov's rule, calculate the mold constant B. Then compute the solidification time of a 0.5inch by 8inch by 8 inch casting poured under the same conditions?
Calculate the value for the deflector of of the bat , given that ash have a young´s modulus E=10 Gpas, and the bending strength, vb=100Mpas, and lab =0.8m and (the assumed constant), radius of the bat is 22 mm.
the two sides of a v-shaped water trough are hinged to each other at the bottom where they meet as shown in figure q1
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