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A 4 kW motor is driving an oil pump with an efficiency of 95% down a 10 mm diameter pipe. If the velocity of the fluid downs the pipe is 1.8 m/s,
1. What is the flow rate that the pump delivers?
2. What is the pressure that the pump can deliver?
3. If a 25 mm bore hydraulic cylinder is connected to the pipe, what would the forward stroke speed of the cylinder be?
4. The viscosity of the oil is v = 0.00001 m2/s. Is the flow in the pipe laminar or turbulent?
1. a system contains water at 4.0 mpa and 275 degc. the phase of water isa liquid onlyb liquid-vapor mixturec vapor
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a kansas farmer heats his house with a heat pump using r134a generating a temperature of 50 deg c at the exit of the
Carbon-dioxide gas at 3MPa and 500 K flows steadily in a pipe at a rate of 0.4kmol/s. Determine a) the volume and mass flow rates and the density of carbon dioxide at this state. If CO2 is cooled at a constant pressure as it flows in the pipe so that..
36 kghour of r-134a steadily enters a compressor as a saturated vapor at 20 degrees celsius and leaves at 1.6 mpa and
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