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Steam at 40?C condenses on the outside of a 5-m-long, 3-cm-diameter thin horizontal copper tube by cooling water that enters the tube at 25?C at an average velocity of 2 m/s and leaves at 35?C. Determine the rate of condensation of steam.
helium gas which may be treated as an ideal gas with r 386 ft-lbflbm- degree r is contained in a rigid 8-ft3 internal
2-kg of saturated liquid r-134a with an initial temperature of -10 c is contained in a well-insulated weighted post
a piston-cylinder device contains 01.440 kg of refrigerant-134a at -10 degrees celsius. the piston that is free to move
two forces f1 and f2 with magnitudes 40 and 55 newtons respectively act on an object at the origin. the angle f1 makes
the carpenter builds the square frame abcd and then braces it with member ef as shown in order to prevent racking
Plot the lift and drag forces exerted on an airfoil as a function of velocity. Use velocity values going from 0 to 45 m/s on a log-linear plot (log-scale on the y axis).
A small steel ball bearing with a mass of 13 g is on a short compressed spring. When aimed vertically and suddenly released, the spring sends the bearing to a height of 1.35 m. Calculate the speed at which the ball leaves the spring.
two kg of a mixture having an analyis of on a mass basis of 30 nitrogen 40 carbon dioxide 30 oxygen is compressed
at a surface cutting speed of 190 mmin the productive tool life was 60 minutes. at a surface cutting speed of 225 mmin
a 1.0-m-diameter hollow sphere weight 200 n is attached to a solid concrete block weight 4.1 kn. if the concrete has a
i need you to write a report about heat treatment of steel. i will attach the report format which you need to stick
air was heated by an electric resitance heater in an insulated piston-cylinder device. the piston weight remained
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