Engineering, 14.04.2020 16:10 sandersmakaylaovq5vu

A test vehicle covered a 1 mile section in 1.5 min going against traffic and 2.5min going with traffic. Given that the traffic flow was 800 veh/h and that the test vehicle passed 10 more vehicles than passed it when going with traffic find (a) number of vehicles encountered by the test vehicle while moving against traffic, (b) the speed of th traffic being measured, (c) the concentration of the traffic stream, and (d) whether on its run with traffic the test vehicle was traveling faster or slower than the traffic stream.

Answers: 2

Show answers

Another question on Engineering

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

Answer

Engineering, 03.07.2019 15:10

Ahouse has the following electrical appliance usage (1) single 40w lamp used for 4 hours per day (2) single 60w fan used for 12 hours per day (3) single 200w refrigerator that runs 24 hours per day with compressor run 12 hours and off 12 hours find the solar power inverter size in watt with correction factor of 1.25.

Answers: 1

Answer

Engineering, 04.07.2019 18:10

Refrigerant 134a enters an insulated compressor operating at steady state as saturated vapor at -26°c with a volumetric flow rate of 0.18 m3/s. refrigerant exits at 9 bar, 70°c. changes in kinetic and potential energy from inlet to exit can be ignored. determine the volumetric flow rate at the exit, in m3/s, and the compressor power, in kw.

Answers: 1

Answer

Engineering, 04.07.2019 18:10

Afour cylinder four-stroke in-line engine has a stroke of 160mm, connecting rod length of 150mm, a reciprocating mass of 3kg and its firing order is 1-3-4-2. the spacing between cylinders is 100mm. i. show that the engine is in balance with regard to the primary inertia forces and primary 3. a and secondary inertia couples. li determine the out of balance secondary inertia force ii. propose ways of balancing this out of balance force and discuss the challenges that will arise

Answers: 3

Answer

You know the right answer?

A test vehicle covered a 1 mile section in 1.5 min going against traffic and 2.5min going with traff...

Questions