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The axial-flow pump shown in Fig. 12.19 is designed to move 5000 gal/min of water over a head rise of 5 ft of water. Estimate the motor power requirement and the U2Vθ2 needed to achieve this flowrate on a continuous basis. Comment on any cautions associated with where the pump is placed vertically in the pipe.
a heat exchanger is a device in which heat flows between two fluid streams brought into thermal contact through a
assuming cold air standard assumptions for a spark ignition engine cycle otto and given the following data compression
1. r-134 enters the condenser of a window air conditioning unit at 800 kpa and 35 c and leaves as a saturated
A hydroelectric site has available HT 80 m and Q = 3 m3 /s. It is proposed to use a Francis turbine unit with the operating characteristics at optimum efficiency shown in Fig. 12.24. Determine the required speed and diameter of the machine.
an ideal cold air-standard brayton cycle engine operates with air entering the compressor at 27 c. the pressure ratio
a 2 m3 tank contains nitrogen at room temperature 25degc with a gage pressure of 2 mpa. a barometer in the room shows
The L203 ×102 × 19 section is used as a cantilever beam supporting the 6-kN load.
Air flows through the fine mesh gauze shown in Fig. P8.65 with an average velocity of 1.50 m/s in the pipe. Determine the loss coefficient for the gauze.
The car C increases its speed at the constant rate of 1.5 m/s2 as it rounds the curve shown. If the magnitude of the total acceleration of the car is 2.5 m/s2 at point A, where radius of curvature is 200 m, compute speed of the car at this point
water vapor is cooled in a closed rigid tank from 520 c and 100 bar to a final temperature of 270 c. determine the
Water vapor is cooled in a closed, rigid tank from 520°C and 100 bar to a final temperature of 270°C. Determine the final pressure, in bar, and sketch the process onT-y and p-y diagrams.
On a certain calm day, a mild inversion causes the atmospheric temperature to remain constant at 30°C between sea level and 5 km altitude. Under these conditions, calculate the elevation change for which a 1 percent reduction in air pressure occurs..
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