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Water at 10°C is pumped from a lake through a pipe to an elevation of 25 m above the lake surface. The pipe is 650 m long, 0.07 m diameter with a roughness of 0.08 mm. The pipe inlet is 13 m below the lake surface. The maximum flow rate needs to be 0.011 m3/s. Pumps in the U.S. are still sized by horsepower (hp). Determine the pump size needed, if the pump has an efficiency of 68%.
an engine block with a surface area measured to be 0.90m2 generates a power output of 55 kw with a net engine
the snowmobile is traveling at 10m/s when it leaves the embankment at A.determine the speed at which it strikes the ground at B and its maximum acceleration along the trajectory AB.
Saturated water vapor at 200oC is isothermally condensed to a saturated liquid in a piston-cylinder device. Calculate the heat transfer and the work done during this process in kJ/kg.
Determine the time taken for the crate to come to a rest and the distance travelled if the coefficient of dynamic friction is 0.4
In a tubular low pressure chemical vapor deposition (LPCVD) reactor, gas is introduced at one end at a rate of 75 torr-L/min. At the other end is a vacuum pump of a speed Sp. If the reactor must operate at 1 torr, what value of Sp is required?
The roof is supported by cables. If the cables exert FAB = 100N and FAC = 120N on the wall hook at A, determine the magnitude of the resultant force acting at A.
At a section in a passage, the pressure is 150 kPa (abs), the temperature is 10 deg C, and the speed is 120 m/s. For isentropic flow of air, determine the Mach number at the point where the pressure is 50 kPa (abs). Sketch the passage shape.
assignment overview carbon fibre reinforced polymers cfrp have been used extensively in aerospace applications due to
Three springs anda mass are attached to a rigid, weightless bar PQ hinged at one end. How do I find the natural frequency?
One kilogram of air as an ideal gas executes a Carnot power cycle having a thermal efficiency 50%. The heat transfer to the air during isothermal expansion is 50 kJ. At the end of the isothermal expansion, the pressure is 574 kPa and the volume is..
the masses of the bar and the disk are 5 kg and 10 kg respectively. the coefficient of kinetic frictionnbspbetween the
an insulated system is divided into 2 parts by a partition . one part of the tank contain 2.5 kg of compressed liquid
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