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A pitot-static tube is inserted in a pipe carrying water at 10°C. A differential manometer using mercury as the gage fluid shows a deflection of 106 mm. Calculate the velocity of flow.
A fire truck draws water from an open constant-level reservoir through a hose of 0.2 ft2 cross section. The water is discharged from the pump through another 0.2 ft2 hose to a surge tank pressurized to 120 psig with air at the top. The pump adds 970 ..
A torque M of 1510 N · m must be applied to the 50-mm-diameter shaft of the hoisting drum to raise the 500-kg load at constant speed. The drum and shaft together have a mass of 100 kg. Calculate the coefficient of friction µ, for the bearing.
a radiation detector having a sensitive area of ad4times10-6 m2 is configured to receive radiation from a target area
As shown in the diagram, two reversible cycles arranged in series both produce the same net work, W out. The first cycle receives energy QH by heat transfer from a hot reservoir at 1000 R and rejects energy Q by heat transfer to a reservoir at an int..
a piston-cylinder device contains 5 kg of r134a at 800 kpa and 60 c. the refrigerant is now cooled at constant pressure
how long will it take the puck to slow down to a speed of 1m/s and how long will it take for the puck to stop completely? How far will the puck travel before it slows to 1m/s? You can assume the table is very very long.
a schematic must show th tc qh qc wcycle. always show the hot reservoir at the top amp cold reservoir at the bottom.
a mixing chamber receives 3kgmin ammonia as saturated liquid at -20 c from one line and ammonia at 40 c 300 kpa from
consider an air-standard otto cycle and a modified cycle in which the isentropic compression and expansion processes
Ten pounds-mass of R-22 is at an initial volume of 4.059 ft3 and pressure of 200 psia. It is compressed isobarically until its volume is two-thirds of its initial volume. The piston is then held in place as the refrigerant cools until its temperature..
If the combined cycle power plant in problem 3 rejects its heat to a nearby lake with 16,000 acre feet of water, how fast in degrees/day will the temperature of the lake rise if it is assumed that the lake is insulated and cannot reject heat in any o..
Explain the differences between fire-tube boilers and water-tube boilers and discuss the major factors which affect the choice of boiler type for particular applications.
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