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The inventor of a water wheel claims that his design is better than a conventional overshot or breast wheel at extracting energy from water flows at low heads. He states that the design shown can generate up to 260 W of power from a head of 0.8 m. average household energy use over a 24-hour period is about 28 kW h. b)When the wheel is operating, there are twelve full troughs of water on the downward-travelling side of the belt. The diameter of the toothed sprocket is given as 0.25 m. If any shaft rotates at 41 rpm when delivering 260 W of power, calculate how many litres of water each trough must be able to contain
for a brass alloy the stress at which plastic deformation begins is 345 mpa 50000 psi and the modulus of elasticity is
a 100 lbm liquid-vapor mixture of water in a rigid container with a volume of 3 ft3 at a temperature of 100of is heated
a 15 scale model of centrifugal water pump was tested. the model pump has am impeller diameter of 10 cm and a rotation
a simple pulley with the given radius r used to lift heavy objects is positioned 10 feet above ground level. Given that the pulley rotates theta degrees, determine the height to which the pulley is lifted.
air at a velocity of 35. 2 ft sec and a pressure of 793. 1 nun hg flows in a long circular pipe whose inside diameter
Define your system to be the gas in the cylinder, and calculate the work transferred from the surroundings to the system from this expansion. Note that the pressure will change as the expansion takes place.
the u-tube manometer has legs of unequal internal diameter d1 and d2 which are partially filled with immiscible liquids
Remember that velocity is a vector quantity so find the magnitude of the average velocity and the angle of average velocity from the horizon
six kg of steam and ten kg of liquid h2o are sealed in a rigid device with an internal-piston-cylinder. both are at
a 12-mm diameter jet of water discharges vertically into the atmosphere. due to surface tension the pressure inside the
determine the thermal efficiency and the required steam flow rate kgs for a reheat-regenerative steam power plant which
an air conditioner can produce a 120 kjmin cooling effect while rejecting 2.5kw of heat. what is its cop and the
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