Engineering, 27.12.2020 16:10 trujillo03
A simple four-leg intersection (a single lane per approach) needs a 2-phase fixed-time signal. The critical flows in the N-S and E-W directions are 600 and 400 veh/hr, respectively, with 0.95 peak-hour factor. Saturation flow is 1800 veh/hr and the total lost time per phase is observed to be 5.2 seconds. Amber time and all-red time are 4 and 1 seconds, respectively. Assume that the intersection should operate at 90% of its capacity. Determine the cycle length and distribution of green (green splits). Calculate also effective green times. Hint: round the cycle length to the next higher 5-sec increment (e. g. 86 -> 90); then round splits to the next integer values.
Answers: 1
Engineering, 04.07.2019 19:10, Mimidj9279
The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false
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Engineering, 06.07.2019 02:30, emiller6462
Plot schematically the tensile stress versus strain curves for a typical thermoplastic material at a temperature below its glass transition temperature (tg and at a temperature above its tg, respectively. do the same for a typical thermosetting material. list in a table any differences or similarities between the two materials at t> tg and t < tg, respectively, and relate them to the structures of the two types of polymers
Answers: 3
A simple four-leg intersection (a single lane per approach) needs a 2-phase fixed-time signal. The c...
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