subject
Engineering, 05.02.2021 21:10 waltdog

Maintaining Level of Service C on a Freeway. A four-lane freeway is located on rolling rural terrain and has two 12-ft lanes in each direction and no lateral obstructions within 8 ft of the right-hand lane. The traffic stream consists of cars and trucks. A peak-hour volume of 3600 vehicles is observed in the major direction, with 1000 arriving in the most congested 15-min period. TRD = 0.24 ramps/mi. If any data are missing, adopt default values. A. What is the PHF?
B. What is the density of the peak hour traffic? At what level of service is the freeway operating?
C. If a level of service no worse than C is desired, how many lanes are needed in each direction?

ansver
Answers: 2

Another question on Engineering

question
Engineering, 03.07.2019 14:10
Amass of 1.5 kg of air at 120 kpa and 24°c is contained in a gas-tight, frictionless piston-cylinder device. the air is now compressed to a final pressure of 720 kpa. during the process, heat is transferred from the air such that the temperature inside the cylinder remains constant. calculate the boundary work input during this process.
Answers: 2
question
Engineering, 04.07.2019 18:10
Acompressor receives the shaft work to decrease the pressure of the fluid. a)- true b)- false
Answers: 3
question
Engineering, 04.07.2019 18:10
For the closed feedwater heater below, feedwater enters state 3 at a pressure of 2000 psia and temperature of 420 °f at a rate of ix10 ibhr. the feedwat extracted steam enters state 1 at a pressure of 1000 psia and enthalpy of 1500 btu/lbm. the extracted er leaves at an enthalpy of 528.7 btu/lbm steam leaves as a saturated liquid. (16) a) determine the mass flow rate of the extraction steam used to heat the feedwater (10) b) determine the terminal temperature difference of the closed feedwater heater
Answers: 3
question
Engineering, 04.07.2019 18:10
The filament of an incandescent lamp has a temperature of 2000k. calculate the fraction of radiation emitted in the visible light band if the filament is approximated as blackbody
Answers: 2
You know the right answer?
Maintaining Level of Service C on a Freeway. A four-lane freeway is located on rolling rural terrain...
Questions
question
Mathematics, 23.07.2021 18:30
question
English, 23.07.2021 18:30
question
English, 23.07.2021 18:30
question
Medicine, 23.07.2021 18:30
question
Business, 23.07.2021 18:30
question
Mathematics, 23.07.2021 18:30
Questions on the website: 13722360