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Refrigerant 22 is used in the evaporator pipe of a commercial refrigeration unit. At steady state it flows at a rate of 0.5 kg/s through the pipe of constant diameter. It enters the pipe at -?100C with a velocity of 5 m/s and a quality of 25%. It exits at the same temperature, but as saturated vapor. (a) Draw a schematic and show the control volume you have selected; (b) Calculate the diameter of the pipe; and (c) Calculate the velocity of the refrigerant at the exit of the pipe.
The hydrogen spectrum has a red line at 656 nm and a blue line at 434 nm. What is the first order angular separations between these two spectral lines obtained with a diffraction grating that has 4500 lines per centimeter?
determine the force exerted by each cylinder in raising the crate for u = 60°, a 5 0.70 m, and L = 3.20 m. Show that the result obtained is independent of the distance d.
a curved nozzle assembly that discharges to the atmosphere is shown. the nozzle mass is 4.5 kg and its internal volume
Examine the influence of the vibration on the grain size, microstructure and mechanical properties of aluminium-silicon alloys (Al-Si) during solidification.
a servomotor is connected to a forearm axis drive shaft without any reduction drive components. the maximum weight of
Plot the spectral blackbody emissive power of the sun versus wavelength in the range of 0.01 micro m to 1000 micro m?
If the ramp height is 2ft. Using the ada code, what is the allowable minimum length of the ramp?
Assuming a coefficient of static friction equal to 0.2 at the common surface, find the maximum torque that may be transmitted by the flywheel without slippage.
Find the volume rate of ?ow in AB, the velocity in BC, the velocity in CD and the diameter of CE.
Two slender rods of negligible weight are pin-connected at A and attached to the 18-lb block B and the 80-lb block C as shown. The coefficient of static friction is 0.55 between all surfaces of contact. Determine the range of values of P for which..
the drinking water needs of a residential hall with 20 students is to be met by a bubbler type water fountain. the
2 kg of water is contained in the vertical frictionless piston cylinde device.the mass of the piston is such that the
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