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1. Fully developed conditions are known to exist for water flowing through a 25-mm-diameter tube at 0.01 kg/s and 27°C. What is the maximum velocity of the water in the tube? What is the pressure gradient associated with the flow?
2. What is the pressure drop associated with water at 27°C flowing with a mean velocity of 0.2 m/s through a 600-m-long cast iron pipe of 0.15-m inside diameter?
Three cables are used to tether a balloon as shown. Determine the vertical force P exerted by the balloon at A knowing that the tension in cable AD is 481 N. Use a matrix linear equation solution method.
The two should be equal. Explain why this is so. Can you relate the viscous drag force and the wall shear stress to this energy result?
an insualed piston-cylinder device contains 5 kg of satured mix of water initially at 100kpa and 6m3. now 3917kj of
Is the manometer reading proportional to head loss? Explain. (d) What is the friction factor of the flow?
steady-state one-dimensional conduction occurs in a rod of constant thermal conductivity k and variable cross-sectional
Calculate the conduction heat loss for the following wall: 15ft long, 8ft tall. Calculate for 8 hr, inside temperature at 78F and the outside temperature at 3F. Wall components from outside to inside are brick; 1.2cm(1/2 in.) plywood; wood studs, 5x1..
A steam power plant implements an ideal reheat Rankine cycle. Steam enters the inlet of thigh-pressure turbine at 8 MPa and 450 Celsius and the inlet of the low-pressure turbine at 0.5 MPa and 500 Celsius. The condenser operates at 10 kPa.
A particular grade of Nitinol SMA is capable of upto 6% strain recovery and develops an internal restoration stress of upto 300 MN m-2. Estimate the amount of force and distance of travel that could be triggered by warming a rod
Water is the working fluid in an ideal Rankine cycle. Superheated vapor enters the turbine at 10 MPa, 4808C, and the condenser pressure is 6 kPa. Determine for the cycle (a) the rate of heat transfer to the working fluid passing through the stea..
0.75 kg of Refrigerant 134-a is compressed in a compressor from 160 kPa and -10°C to 1.2 Mpa and 50°C, steadily. Determine the change in flow exergy of the refrigerant during this process, if the environment is at 100 kPa and 25°C.
the pipe assembly is secured on the wall by the two brackets. if the weight of the flower pot is 50 lba determine
If the coefficient of kinetic friction between the belt and a package is μk = 0.2, determine the time needed to bring the package to rest on the belt if the belt is moving in the same direction as the package with a speed v = 1 m> s.
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