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Water is syphoned from the container to a lower place. The flexible hose has a constant diameter, and the location differences are h and d from the water level in the container, respectively, to the highest hose location and the lower hose end. (1) If the distance d =20 cm, find the water flow velocity V through the hose. (2) To avoid cavitation (water changes phases from liquid to vapor bubbles when the absolute pressure decreases to the saturation pressure) in the hose, find the maximum height h we can have if the environmental pressure is 100 kPa and temperature is 25C. Take the saturation pressure of water at this temperature as 3.17 kPa.
Calculate the time rate of change dHB/dt of angular momentum about point B when the particle passes the bottom of the guide at C.
What methods are used to achieve low levels of corrosion by oxygen in boiler feed water? What measurements are essential to ensure that this is done satisfactorily, and what types of measurement could be used?
a steel beam of total length 3m is simply supported at the ends by pin-jointed supports a and c. a diagrammatic
Consider a thermal energy reservoir at 1500 K that can supply heat at a rate of 150,000 kJ h-1. Determine the exergy of this supplied energy, assuming an environmental temperature of 25 oC.
an airplane used to drop water on bushfire is flying horizontally in a straight line at 180 mih at altitude of 300 ft.
a full revolution press has 100 rpm flywheel rotation.it has two handed trip devices mounted 20 inches from point of operation how many engagement points on the flywheel would be nessary to make this machine safe?
a solid shaft l 1.9 m long is supported between two bearings. the shaft rotates at 250 rpm. a 20 degree involute gear
Plot the moment about B for 320mm
find the average velocity of flow at section B, and the pressure difference between sections A and B.
State the sequence in which the cylinders operate on the operation of the start valve and show, with the aid of a schematic diagram, how an electronic controller could be included in the circuit to control the sequence of cylinder operations.
saturated water vapor is contained in a closed rigid tank. the water is cooled to a temperature of 110 o c. at this
determine the optimal pressures, temperatures, and fraction of steam extracted to maximize thermal efficiency.
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