Engineering, 16.02.2021 01:30 mriffell11
A railroad crossing with a passive control is formed by a 2-lane highway with a design speed of 45 mph and a railroad track with trains traveling 95 mph. Determine the minimum distance a building should be placed from the centerline of the tracks to ensure safe crossing of an approaching vehicle if the building is located 150 ft from the center line of the right lane of the highway.
Answers: 3
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Determine whether or not it is possible to compress air adiabatically from k to 140 kpa and 400 k. what is the entropy change during this process?
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Manometers are good examples of measuring instruments, nowadays they are not as common as before. a)-capacitive probe gauges b)-gravitational gauges deformation ) gauges d)-digital gauges
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Engineering, 04.07.2019 18:10
Compute the pressure drop of 30°c air flowing with a mean velocity of 8 m/s in a circular sheet-metal duct 300 mm in diameter and 15 m long. use a friction factor, f 0.02, and pair = 1.1644 kg/m a. 37.26 pa b. 25.27 pa n c. 29.34 pa d. 30.52 pa
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Engineering, 04.07.2019 18:10
Aturning operation is performed with following conditions: rake angle of 12°, a feed of 0.35 mm/rev, and a depth of cut of 1.1 mm. the work piece is aluminum alloy 6061 with t6 heat treatment (a16061-t6). the resultant chip thickness was measured to be 1.0 mm. estimate the cutting force, fc. use shear stress of 207 mpa and coefficient of friction on the tool face of 0.6.
Answers: 1
A railroad crossing with a passive control is formed by a 2-lane highway with a design speed of 45 m...
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