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For straightening and smoothing an airflow in a 50-cmdiameter duct, the duct is packed with a "honeycomb" of thin straws of length 30 cm and diameter 4 mm, as in Fig. P6.28. The inlet flow is air at 110 kPa and 20°C, moving at an average velocity of 6 m/s. Estimate the pressure drop across the honeycomb.
Find the end pressure with the given information.
A metal specimen with an original diameter of 0.45 in. and a gage length of 2.75 in. is tested in tension until fracture occurs. At the point of fracture, the diameter of the specimen is 0.21 in. and the fractured gage length is 3.71 in. Calculate th..
the automatic transmission in a car receives 25 kw shaft work and gives out 24 kw to the drive shaft. the balance is
nitrogen n2 initially occupying 0.1 m3 at 6 bar 2478c undergoes an internally reversible expansion during which pv 1.20
A flow rate transmitter specification is given as following: Input range: 0 to 300 GPM (Gallons Per Minute) Output range: -5V to 5V. If this transmitter needs to be connected to an A/D converter and the requirement is to detect at least 0.25 GPM diff..
A rise in autonomous consumption spending or a rise in invest- ment or a rise in government spending by 50 leads to the same impact on equilibrium income and toidentical adjustment paths for Y(t).
A pitot-static tube measures the total pressure pT and the local pressure p in a uniform ?ow in a 4-cm- diameter water pipe. Calculate the ?ow rate if:
blocks d and f weigh 50 lb each and block e weighs 80 lb. determine the length s for equilibrium. neglect the size of
a sealed rigid tank contains 5.0 kg of water liquid plus vapor at 100degc with a quality of 30.375.a. calculate the
in the production of ethanol from corn the solids left after fermentation are dried in a continuous-flow oven. this
1. operators assemble pumps at an hourly rate of 10.00.the standard time for the assembly is 20minutes. direct material
Class 20 and class 60 gray cast irons have tensile strengths of about 20 and 60 ksi respectively. Assuming that the fractures start from graphite ?akes and that the ?akes act as preexisting cracks, use the concepts of Grif?th analysis to predict t..
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