Numerade

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Q2: Write state equations for the logic diagram below. NOTE: Mark on the diagram how each term of each equation is derived. Answer: not provided (Sripat)x Clock D D-y(output) D

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Q4 In an activated sludge wastewater treatment plant, COD is removed aerobically by heterotrophic bacteria. The treatment plant has the following characteristics. Bacteria concentration XB 2000 mg/L COD concentration SCOD 200 mg/L DO concentration SDO 0.8 mg/L Half saturation coefficient for O2 KDO 0.2 mg/L Yield coefficient YB 0.4 g biomass /g COD Decay coefficient for bacteria Kd 0.02/d Maximum specific growth rate for µmax 0.2/d bacteria at 10°C (a) Use Monod kinetics to calculate the bacterial growth rate and COD removal rate in winter with the average temperature of 10°C, assuming that the DO is the limiting factor. [8] Q4 Contd. on next page... Q4 Contd. Page 3 of 5 © Trinity College Dublin, The University of Dublin 2023 CE7E05-1 (b) Using Monod kinetics to calculate the bacterial growth rate and COD removal rate in summer with the average temperature of 20°C, assuming that the DO is the limiting factor and $\theta$ = 1.05. Note: $\frac{k_{T1}}{k_{T2}} = \theta^{T1-}$ (c) Briefly discuss how the temperature increase affects the reaeration process [8] [4]

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Historical VaR Rational Investment is estimating VaR using the historical simulation method at the 99% confidence level for its fixed income portfolio currently valued at $600. Using daily returns for the last 290 days (ordered in decreasing order), the largest negative daily returns are the following: [-2.00, -2.00, -1.92, -1.90, -1.79, -1.75, -1.74, -1.73, -1.73, -1.71] a. What is your estimate of the daily dollar VaR? $ million Round your answer to two decimal places. Ignore the negative sign b. What is your estimate of the daily dollar expected shortfall? $ million Round your answer to two decimal places. Ignore the negative sign.

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Problems that Involve Exponential Functions 7000 dollars is invested in a bank account at an interest rate of 9 percent per year, compounded continuously. Meanwhile, 50000 dollars is invested in a bank account at an interest rate of 5 percent compounded annually. Determine graphically (using technology) to the nearest year, When will the two accounts have the same balance? The two accounts will have the same balance after years. Question Help: Video Message instructor Post to forum Submit Question

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Find a general solution to the given differential equation. 16y'' - 2y' - 5y = 0 A general solution is y(t) =

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Evaluate $\lim_{x \to -\frac{1}{2}} \frac{8x^2 - 2x - 3}{6x^2 + x - 1}$

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Quick Start Company makes 12-volt car batteries. After many years of product testing, the company knows that the average life of a Quick Start battery is normally distributed, with a mean of 45.4 months and a standard deviation of 8.7 months. (a) If Quick Start guarantees a full refund on any battery that fails within the 36-month period after purchase, what percentage of its batteries will the company expect to replace? (Round your answer to two decimal places.) (b) If Quick Start does not want to make refunds for more than 14% of its batteries under the full-refund guarantee policy, for how long should the company guarantee the batteries (to the nearest month)? months

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a) (10pts) Find $R_{AB}$ in the circuit shown

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Remaining Time: 1 hour, 29 minutes, 20 seconds. Question Completion Status QUESTION 1 CPA performs two types of services, Audit and Tax. Owen's overhead costs consist of computer support, $240,000, and legal support, $120,000. Information on the two services is: Audit Tax Direct labor cost $50,000 $100,000 CPU 40,000 10,000 minutes Legal hours 200 800 used Overhead applied to audit services using traditional costing is a. $120,000. b. $144,000. c. $216,000. d. $240,000. QUESTION 2 A primary driver of overhead costs in an automated manufacturing operation is a. direct labor dollars. b. machine maintenance dollars c. machine hours Click Save and Submit to save and submit. Click Save All Answers to save all answers. Save All An

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The truss shown has a pin support at A and the equivalent of a roller support at C. Choose two correct statements from the following. The axial force in member BC is 707.11 N and the member is in compression Member AC is a zero force member The axial force in member AB is 500 N and the member is in compression The axial force in member BC is 707.11 N and the member is in tension The axial force in member AB is 500 N and the member is in tension

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