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Fully developed laminar flow occurs between two horizantal parralel plates. The distance between the plates is 0.25 inche. The dluid between the plates has a dynamic viscosity of 0.00085 ib*s/ft^2 and the density 1.6 slug/ft^3. At one location the presure between the plate was 14 psi. at a second location the pressure between the plates was 10 psi. The two locationswere 20 feet apart. The reynold's number for the flow is 40. Determine the flow rate per unit width, the width of the plates and the maximum velocity between the plates.
a 50 cm long 800 w electric resistance heating element with diameter .5 cm and surface temperature 120c is immersed in 60 kg of water temperature to 80c. also determine the convection heat transfer coefficients at the beginning and at the end of t..
Determine an equation for the efficiency of the gear train in terms of the load (torque) on shaft 2 and determine the input power required at shaft 1.
An ideal vapor-compression refrigeration system operates at steady state with Refrigerant 134a as the working fluid. Superheated vapor enters the compressor at 30 lbf/in2, 20F, and saturated liquid leaves the condenser at 140 lbf/in2. The refriger..
a scuba divers 2 ft3 air tank is to be filled with air from a compressed air line at 120 psia and 100 degree f.
assume you are given a spherical joint where the ball has a radius of 20 mm and socket has a radius of 22 mm. if the
two identical 3 in. major-diamter power screws single-threaded with modified square threads are used to raise and lower
water is the working fluid in a vapor power cycle with superheat and reheat. superheated vapor enters the first turbine
refrigerant -134a at 800kPa and 25 C is throttled to a temperature of -20C. determine the pressure and the internal energy of the refrigerant at the final state.
Show how did you do the maintenance during your workshop
neglecting with the presence of friction air dragm and other inefficiencies how much gasoline is consumed when a
a refrigerator freezer compartment is maintained at a temperature of -15degf by removing heat at a rate of 4500 btuhr.
the spring is unstretched when x0. if the body moves from the initial position x1100mm to the final position x2200mm a
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