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1. A pressure cooker (closed tank) contains water at 200 F, with the liquid volume being 1/10th of the vapor volume. It is heated until the pressure reaches 300 lbf /in.2. Find the final temperature. Has the final state more or less vapor than the initial state?
2. Refrigerant-410a in a piston/cylinder arrangement is initially at 60 F, x = 1. It is then expanded in a process so that P = Cv-1 to a pressure of 30 lbf/in.2. Find the final temperature and specific volume.
Each week 85 trucks bring a total of 2,180 metric tons of municipal solid waste (MSW) to the landfill. Each truck averages two loads per day. Each truck has a capacity of 4.5 metric tons and they operate 5 days/week.
If the plant uses sodium hypochlorite instead, what volume of NaOCl will be needed? Assume that the dry density of NaOCl is 1.2 kg/L and that 1 mg/L of dissolved NaOCl is equivalent to 1 mg/L of dissolved Cl2.
Two toll booths are open and each can process arrivals (collect tolls) at a mean rate of 12 seconds per vehicle ( the processing time is also exponentially distributed). What is the total time spent in the system by all vehicles in a 1 hour period
This unit enables learners to develop an understanding of the methods and techniques used to create civil engineering structures and the skills needed to solve problems associated with civil engineering activities
Using a design speed of 50 mi/h, determine the stations and elevations of PVCs, PVIs, and PVTs of the two vertical curves required to connect the highway segments, as well as the length of the constant grade section (connecting grade is to be as s..
at a railroad crossing, an overpass must be built centered over the tracks at a height of 24ft and be 200ft long. the existing highway has a design speed of 50mi/hr.
What is the shape of a water droplet from a leaking tap. How does that shape change before and after dropping from the tap. What properties of fluids play a role in this change in shape.
Suppose you are a member of an EPA enforcement team investigating the possible dumping of arsenic into Arbor Lake. You take water samples from the middle of the lake and find that the concentration is 90.0 ppb.
determine the reaction at A in each case.
A jar test has shown that the optimum dose of ferric chlorideconsumes all of the alkalinity. If the amount of the ferricchloride that is in excess is 10 mg/l, how much lime(Ca(OH)2) in mg/l must be added to neutralize the acidformed.
Find the required energy input Ep and ?p to be supplied by the pump. Assume the electric motors are set to turn the centrifugal pump impeller at ? = 4000 rpm
Consider a portion of the sheet that is 2 in.x 2 in and 0.04 in. thick when the loads are acting. Determine the in-plane x-dimension of this portion of the sheet if these loads are released
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