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An safety relief valve is installed on a tank. The lines downstream and upstream of the valve are 8 in schedule 40 steel. The valve is designed to open when the tank has a 1000 psig or greater. The vent exhausts to the atmosphere at a 90 (degree angle). Fluid specific gravity 0.95 and viscosity of 3.5 cP. Sum of losses coefficients (valve and line): 6.5. What force (lbf) is exerted on the valve as a result of the fluid flowing though it?
energy from a high-temperature reservoir at 750 k flows at a rate of 2.1 kw to a heat engine. if the engine rejects
a 960 N.m moment is required to straghten a post. if the capacity of a winch puller is 2400N, determine the minimum value to create the specified moment.
a shaft is loaded by a torque of 5 kn-m. the material has a yield point of 350 mpa. find the required diameter usinga
an air-standard diesel cycle operates with a compression ratio of 18. at the beginning of the compression process the
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 contact load is 50 N, E = 210 GPa, and ν = 0.3, determine (a) the radius of the contact area, (b) the maximum contact pressure.
determine the designe power. An output speed of 175 RPMis specified. Determine: a) number of teeth on the small sprocket, b) number of teeth on the large sprocket, c) lubrication type required, d) the required length of chain (in inches) if the ce..
consider uniform potential flow past an ellipse with thickness ratio t. use an appropriate joukowski transformation to
the l1m long vertical copper tube of inner diameter di20mm and wall thickness t2mm contains liquid water at twater0
a gas in a piston cylinder assembly undergoes a compression process for which the relation between pressure and volume
a room with 42 kg of dry air has 1 kg of water vapor. if the enthalpy of the water vapor at 31 deg celcius is 3406 kjkg
a cyclic device operating as a refrigerator is being used to cool two refrigerated spaces. the first space is being
an ideal carnot heat engine has an efficiency of 40. if the high temperature is raised 15 what is the new efficiency
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