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Galvanized iron drainpipes of diameter 50 mm are located at the four corners of a building, but three of them become clogged with debris. Find the rate of downpour (cm/min) at which a single functioning drainpipe can no longer drain the roof. The building roof area is 500 m2, and the height is 5 m. Assume the drainpipes are the same height as the building and that both ends are open to the atmosphere. Ignore minor losses.
a steam power plant operates on an ideal regenerative rankine cycle with two open feedwater heaters. steam enters the
A 0.7-lb block rests on top of a 0.5-lb block supported by but not attached to a spring of constant 9 lb/ft. The upper block is suddenly removed. Determine (a) the Maximum velocity reached by the 0.5-lb block, (b) the maximum height reached by the..
Consider an adiabatic mixing chamber operating at steady state into which steam enters with quality of 0.9. Water enters through a separate inlet at 300C. At the exit the temperature is 1500C and mass flow rate is 2 kg/s. The pressure in the mixing c..
the rod is made of a-36 steel and has a diameter of 0.25 . if the rod is 4 long when the springs are compressed 0.5 .
a man dives horizontally and to the right off the end of a 220 kg boat. the boat is initially at rest and the man
Steel-reinforced concrete pillars are used in the construction of large buildings. Structural failure can occur at high temperatures due to fire because of softening of the metal core. Consider a 200mm thick composite pillar consisting of central ste..
explore the n2nono2 equilibrium in ambient atmosphere p 1 atm t 25 oc after the oxides no and no2 have been produced
A battery of silicon photocells mounted on a plane surface operates with an efficiency of 16.7% under all conditions encountered in this problem. it is installed at a location 45 degrees north. the time is 10:00 on April 1, 1995. When the battery fac..
a stone is thrown vertically upward from a bridge located 40 m above the water. knowing that it strikes the water 4 s
Atmospheric pressure is101.3 kPa (or else 14.69 psi). You take a vessel, and pressurise it to 350 kPa (or 50.75 psi) above the atmospheric pressure, and connect pressure gauges to the vessel, calculate What is the gauge pressure? What is the absolute..
the free convection heat transfer coefficient on a thin hot vertical plate suspended in still air can be determined
a truck travelling along a straight road at speed 20 km/hr increases its speed to 120 hr/hr in time 15 sec.If its acceleration is constant, determine the distance traveled.
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