Engineering, 19.05.2020 18:00 Rattley6223
A coal-fired power plant releases SO2 at a rate of 1500 g/s. The wind speed at the top of the stack is 4 m/s. Calculate the SO2 concentration at a point 4 km down wind and 0.2 km perpendicular to the plume centerline from the stack under overcast condition. Assuming the atmosphere stability is class D. Stack parameters: Atmosphere conditions: Height = 100.0 m Pressure = 95.0 kPa Diameter = 1.2 m Temperature = 25.0 oC Exit velocity = 8 m/s Temperature = 315 oC For class D stability, sy = ax0.894, a = 68; sz = cxd + f, c = 44.5, d = 0.516, f = -13
Answers: 3
Engineering, 03.07.2019 23:20
Two technicians are discussing the intake air temperature (iat) sensor. technician a says that the computer uses the iat sensor as a backup to the engine coolant temperature (ect) sensor. technician b says that the powertrain control module (pcm) will subtract the calculated amount of fuel if the air measures hot. who is correct
Answers: 3
Engineering, 04.07.2019 18:20
Inadequate stores control is not an obstacle to effective work order system. (clo4) a)-true b)-false
Answers: 3
Engineering, 04.07.2019 18:20
Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point.the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
A coal-fired power plant releases SO2 at a rate of 1500 g/s. The wind speed at the top of the stack...
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