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Given the following pollutant concentrations (c ug/m3 and measured with height Z (KM):
at Z = 1.5, c= 0at Z= 1.4 , c= 0at Z= 1.3 , c= 5at Z= 1.2, c= 25at Z= 1.1, c= 20at Z= 1.0 , c= 45at Z= .9 , c= 55at Z= .8 , c= 40at Z= .7, c= 30at Z= .6, c = 10
a) find the height of center of massb) Find the vertical height variancec) Find the vertical height standard deviationd) find the total amount of pollution emittede) find the nominal plume spread ( length)f) find the best fit Gaussian Curve through the data and plot the data and curve on the same graph
why are tangent points so important when sketching, drawing on paper with instruments, or using cad?
which of these two processes will produce the largest amount of work? (You must provide a full explanation for your choice).
determine the final temperature °R, and the final pressure in lbf/in^2. Rair = 53.33 ft·lbf/lb·°R. Assume ideal gas behavior and solve problem using.
determine diameter of a circular rod of ductile material with a fatigue strength ,e=280 Mpa. Add a tensile yield strength of 350 Mpa. The member is subjected to a varying axial load from 700 kN to -300kN. Assume Kt=1.8 and factor of safety=2.
Prepare the statement of financial position
If it is known that the value of the stress exponent n for this alloy is 8.2, compute the steady-state creep rate at 1300 K and a stress level of 89 MPa.
A pump station has been designed to lift water out of a 6 metre deep pit (vented to atmosphere) via a centrifigual pump mounted at ground level. Calculate the Net Positive Suction Head (NPSH) for the system ?
A cooking pot whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. If the local atmospheric pressure is 101 kPa, determine the temperature at which the water starts boiling when it is heated.
Given that an activity's normal time and cost are 10 days and $400 and its crash time and cost are 5 days and $800, what is the activity's slope?
measure the velocity of air. If the deflection deflection (the vertical distance between the fluid levels in the two arms) is 7.3 cm, determine the air velocity. Take the density of air to be 1.25 kg/m3.
In 1975 the roof of Montreal's Velodrome, with a weight of 360 kN, was lifted by 10 cm so that it could be centered. How much work was done on the roof by the forces making the lift?
Two bars, one having a circular section of radius b, the other an elliptic section with semiaxes a,b. For equal angles of twist, which bar experiences the larger shearing stress?
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