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In Chicago, 1990 inventory calculations attributed only 25% of the VOCs to mobile sources, 33% to solvent usage, and the remainder to area, utility, and other point sources. If this emission inventory distribution is used to estimate VOC emissions into the Chicago atmosphere, what is the total volume of the VOCs emitted each day? Assume that there were 1,100,000 vehicles making a 28.5-mi round trip per day, the average vehicle emission rate for VOCs is 1.3 g/VM , and the molecular weight of the VOC emissions from the mobile sources can still be represented by that of methane.
a delivery company accepts only rectangular boxes the sum of whose length and girth (perimeter of a cross section) are equal to 108cm. find the dimensions of an acceptable box of a largest area.
Air can be assumed as a di-atomic ideal gas. Find the final temperature and the amount of work ( in kW) required for air compression at a rate of 100 mol/s , from an initial condition of 1 bar an 25 C to 10 bar; for the following ways:
The section of the plywood in the 3rd quadrant is sawed off and the resulting piece is then glued squarely over the 4th quadrant portion of the plywood with glue of negligible weight.What are the x- and y-coordinates of the resulting center of gra..
Roman technology and engineering. Technology and engineering were among Rome's most famous achievements. Describe and explain the importance of Roman technology and engineering
If the overall gear reduction ratio is 8 to 1, what is the maximum acceleration from rest (in ft/sec^2) for: a) the car with the base engine? b) car with the modified engine? Assume the car is on good dry pavement.
Design a single angle strut connected to a gusset plate to carry 180k n factored load. The length of the strut between center to center intersection is 3m.
A condition where there are no net external forces acting upon a particle or rigid body and the body remains at rest. ... forces acting upon a particle or rigid body and the body remains at rest or continues at a constant velocity.
The Washington Monument is 169 m tall. What is the stress in the lowermost rock if it is made of Georgia granite?
The back tangent gradient is -4 percent, the forward tangent gradient is 2 percent, and the elevation of the curve at station 48+50 must equal to at least 510ft. What is the required length of the curve?
Evaluate the pressure head at point a and determine the vertical effective stress at point b and evaluate the lateral pressurein the brown clay
Give one possible characteristic or property of sanstone and of the quartzite that made you decide not to select it for your concrete project?
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