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Refrigerant 22 enters the compressor of an ideal vapor- compression refrigeration system as saturated vapor at 2408C with a volumetric flow rate of 15 m3/min. The refrigerant leaves the condenser at 198C, 9 bar. Determine
(a) the compressor power, in kW.
(b) the refrigerating capacity, in tons.
(c) the coefficient of performance.
A particle moves along a spiral described by the equation r=r(inital)+kappa*theta, where r(inital) and kappa are constants, and where theta is in radians. Assume that theta dot =alpha*time, where alpha= 0.15rad/s^2 and t is time expressed in seconds.
What is the best way to seal leaks in ducts, Name the four factors that contribute to a person's comfort in an environment
a 2 m3 tank contains nitrogen at room temperature 25degc with a gage pressure of 2 mpa. a barometer in the room shows
molesec of n2 is pressurized from 300 k and 10 bar to 100 bar. assume adiabatic. calculate the minimum power for this
a 90 percent efficient turbine accepts water at 400 kpa in a 16 cm diameter pipe. what is the maximum power output if
the particle a is mounted on a light rod pivoted at o and therefore is constrained to move in a circular arc of radius
a voltmeter with a range of 0 to 100v reads 2v when the leads are shorted together. the manufacture claims an accuracy
a system for delivering lawn fertilizer in liquid form. the nozzle on the end of the hose requires 20 psig of pressure
what is the difference between steady state and non-steady state diffusion processes? use mathematical expressions to
Calculate the Reynolds number, the Nusselt number, the convective heat transfer coecient (h), and the total heat transfer (Q_dot) for the following: 1g/s of water owing through a 2mm-diameter circular tube, 2cm long, with wall heat flux q'' = 100 W/c..
On a beautiful day your ship sights a water spout in the East Indian Ocean. You fix your position as 6000 ft from the spout and record a wind velocity of 10 ft/s. What wind velocity and barometric pressure does a fishing boat 600 ft from the spout ex..
a pressure sensing device has an electrical output and is approximately linear. when the input is 100 kpa the output is
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