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Question 1. A toxic liquid stream is flowing through two stirred tanks in series. In each tank, the outlet flow rate from the tank is proportional to the tank volume (Vi =KiVi), where Vi is the tank voluem and Vi is the outlet flow rate from the tank. For tank1, which has a capacity of 15m3, the constant K1=0.3. For tank 2, which has a capacity of 5m3, the constant K2=0.67. Initially, the liquid flow into tank 1 is V0 =2.0 m3/min and the system is operating at steady state.A) Determine the quantities of liquid in each tank at this initial steady state. Because of a flow controller failure, the liquid flow rate into tank 1 is suddenly doubled to VN=4 m3/min. The operator recognizes this disturbance exactly five minutes after change occurs and returns the inlet flow to tank 1 back to its original flow rate of 2 m3/min.B) Determine what the volume of liquid in each tank would have been if the system would have been allowed to reach a new steady state at a flow of Vn=4m3/min?C) Did the operator recognize the process disturbance soon enough to prevent any damage to or danger in the vicinity of the process?
Discuss the use of Gross Domestic Policy (GDP) to measure the business cycle. Discuss the roles of government bodies which determine national fiscal policies.
Evaluate the maximum purchase price per unit that Redi-Watt should be willing to pay to the outside contractor? Should the proposal be accepted for a price of $4,250 per unit to the contractor?
Formulate the null and alternative hypotheses for this application.
Decision on proposal where contract price is lesser than variable cost - What in house costs should be used to compare with the proposal received from the contractor?
Computation of value of the stock and which the market had no knowledge of prior to the announcement
What is the probability she received 5 or more email during the same period?
Develop appropriate hypotheses such that rejection of H0 will support the researcher's contention.
On overseas distributor has expressed an interest in these units if the price is substantially reduced. Evaluate the minimum price that would be acceptable to Redi-Watt in selling these units.
Find the velocity given that the market is in equilibrium. MD1 is the relevant curve and it is given that the real GDP is 30,000.
A sample of 64 Atlanta consumers showed a mean quarterly water bill of $51 with a sample standard deviation of $12. At α = .05, does the Atlanta sample support the conclusion that above-average rates exist for this private water system?
According to the Guinness Book of World Records (1990 edition, p. 169), the highest rotary speed ever attained was 2010 m/s (4500 mph). The rotating rod was 15 cm (5.9 in) long. Imagine the speed quoted is that of the end of the rod.
Due to the nature of the wastewater, the engineer wants to target the high end of this range. Find the proper diameter pipe to the nearest 2” (e.g., 2”, 4”, 6”, 8”, 10”, etc.) to achieve this design objective.
If a car traveling at 55 km/h will skid 24 m while its brakes lock, how far will it skid if it is traveling at 130 km/h when its brakes lock.
What is the magnitude of the runner's total displacement . What is the phase difference between the two waves next they reach the observer.
Two speakers, one directly behind the other, are each generating a 374-Hz sound wave. What is the smallest parting distance between the speakers that will generate destructive interference at a listener standing in front of them? Take the speed of so..
A 67 kg man weighs 637 N on the Earth's surface. How far above the surface of the Earth would he have to go to "lose" 19 percent of the body weight.
What pressure is acting on the walls of drum
A microscope with an eyepiece lens of focal length 1.90 cm and an objective lens of focal length 1.15 cm is used to examine a section of the brain of a sacrificed rat. The distance between the lenses of the instrument is 24.0 cm and final image is vi..
Which of following statements is correct
Two pipes of equal length are each open at one end. Each has the fundamental frequency of 500 Hz at 325 K. In one pipe the air temperature is increased to 330 K. If the two pipes are sounded together, what beat frequency results.
Write down an expression for the mass of the nucleus
An object is lifted vertically 2m and held there. If the object weighs 30N, how much work was done in lifting it. Describe it briefly.
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