Engineering, 07.11.2019 20:31 hsjsjsjdjjd
The velocity potential for a certain inviscid flow field is φ = -(3x2y - y3) where φ has the units of ft2/s when x and y are in feet. determine the pressure difference (in psi) between the points (1, 2) and (4, 4), where the coordinates are in feet, if the fluid is water and elevation changes are negligible. p1 - p2 =
Answers: 1
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The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite
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Abrake has a normal braking torque of 2.8 kip in and heat-dissipating cast-iron surfaces whose mass is 40 lbm. suppose a load is brought to rest in 8.0 s from an initial angular speed of 1600 rev/min using the normal braking torque; estimate the temperature rise of the heat dissipating surfaces.
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The higher the astm grain-size number, the coarser the grain is. a)-true b)-false
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Engineering, 04.07.2019 18:10
Which of the following components of a pid controlled accumulates the error over time and responds to system error after the error has been accumulated? a)- proportional b)- derivative c)- integral d)- on/off.
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The velocity potential for a certain inviscid flow field is φ = -(3x2y - y3) where φ has the units o...
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