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A 0.3-m diameter pipeline terminates in a nozzle of outlet diameter = 0.15 m. When water flows through this pipe at a rate of 0.25 m3 /s, the force required to hold the pipe (N) is most nearly.
A. 660 N.
B. 1,320 N.
C. 2,650 N.
D. 5,300 N.
If heat engines efficiency can be increased by increasing the highest temperature why do we not increase the temperature further for our power plants? What could be done still to raise the temperature of the high temperature reservoir? What could be ..
a tank of 0.5 m3 volume contains compressed air. a valve is opened and air escapes with a velocity of 300 ms through an
consider a fluid of density ? inincompressible laminar flow in a plane narrow slit of lengthl and width w formed by two
steam enters an adiabatic turbine at 2 mpa 300c and exits at 50 kpa. the mass flow rate through the turbine is 2 kgs
A 1200 kg car is travelling at a high rate of speed (V0) as it reaches the summit of a small hill that can be approximated by the equation y=1.25sin(0.3x)+cos (0.07x)-5 from x= 0 to 50m. At the summit of the hill a deer runs in front of the car, and ..
deformation measurements were made on a flat rock surface using 0.5000 m-long gauge lengths. the following observations
a refrigerant 134a at 140 kpa and -10 degree celcius is compressed by an adiabatic 16kw compressor to an exit state of
A reversible heat engine, operating in a cycle, withdraws heat from a high-temperature reservoir (the temperature of which consequently decreases), performs work w, and rejects heat into a low-temperature reservoir (the temperature of which consequen..
consider 4 power transistors each dissipating 15 w are mounted on a thin vertical aluminum plate 22 cm x 22 cm in size.
If the room temperature is 15C and the temperature of the air exiting the hair dryer is 50C, what is the percent increase in the air velocity as it passes through the dryer.
steam is cooled from 3000 kpa and 500 c with spring-loaded piston such that p676.2 kpa20000kpakgm3v until the steam has
a steady incopressible two dimensional velocity field is shown below where u is the velocity component in x-direction
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