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A horizontal jet of water 2 x 103 mm2 cross-section and flowing at a velocity of 15 m/s hits a flat plate at 60 degrees to the axis (of the jet) and to the horizontal. The jet is such that there is no side spread. If the plate is stationary, calculate a) the force exerted on the plate in the direction of the jet and b) the ratio between the quantity of fluid that is deflected upwards and that downwards. (Assume that there is no friction and therefore no shear force.)
A tension of 300 kN is required in the cable at A. If the cable has a mass of 22 kg per meter of its length, compute the required height H of the anchorage above water level and find the length s of cable between A and B.
in many countries in south america chunks of cassava root containing 65 percent water are dried to 5 percent water then
a tank with volume 3.0m3 contains steam at 2mpa and 280 c. the tank is heated until the temperature reaches 440 c. a
Determine the optimum fin height andthe rate of heat transfer by natural convection from the heatsink if the base temperature is 65°C.
find the thermal conductivity in wm-1 k-1 and thermal diffusivity m2s-1 for a new insulating material for which the
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 0.1 m3 rigid cylinder contains saturated water vapor at 100kpa. a pipe with super heated steam at 1mpa 300 degree c
A well-insulated turbine operating at a steady state develops 23 MW of power from a steam flow rate of 40 kg/s. The steam enters at 360 degree C with a velocity of 35 m/s and exits as a saturated vapor at 0.06 bar with a velocity of 120 m/s. Neglecti..
in a heat exchanger 10 kgs of water enters the hot side at 73degc and leaves at 43degc. 19 kgs of water enters the cold
a rankine-cycle steam power plant operates at a boiler pressure of 5 mpa and a condenser pressure of 0.01 mpa. the
A heat engine operates between reservoirs at 1000 and 300 K. Some of the power output from the heat engine drives a refrigerator which operates between 250 and 300 K. The heat-transfer input at 1000 K to the heat engine is 1000 kJ, and the heat trans..
1. An inventor claims to have developed a food freezer that at steady state requires a power input of 0.6 kW to extract energy by heat transfer at a rate of 3000 J/s from freezer contents at 270 K. Evaluate this claim for an ambient temperature of..
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