COMSOL Exercise 3 Release of drug molecules from a drug patch and write report. Must have COMSOL software installed Motion sickness is a common ailment afflicting travelers. A transdermal patch is available on the market which prevents motion sickness. The small circular patch is applied to the hairless area behind the ear and it gradually […]
If x(0) = 0 and f(t) is a unit step function, what is the steady state response? How long does it take before 98% of the difference between x(0) and x ss is eliminated?
SYST 320: Dynamic Systems II Give the free response and forced response for the following dynamic system: 14 45 8x x x+ + = with (0) 1x = and (0) 1x = . For the following dynamic system 3 11 18 t x x x e− + + = , (0) 3, (0) 2x x= […]
Create the Fact and Dimension table attribute and the ER data model diagram for the attributes listed below.
Fact and Dimension table Create the Fact and Dimension table attribute and the ER data model diagram for the attributes listed below. TRANSACTIONPARTITIONKEY TRANSACTIONKEY DAYPARTKEY TRANSACTIONDATEKEY BUSINESSDATEKEY PROFITCENTERKEY STOREKEY STORESTATUSKEY ORGANIZATIONKEY PERIODICORGANIZATIONKEY REGISTERKEY PTXGUID CHARGES DEBIT DISCOUNTS TAXES REMITTANCE GUESTCOUNT DRAWERKEY DEBITAMT REFUNDAMT SSSCOUNT STORESTATUS2KEY PROFITCENTERKEY_ORIG CATERINGKEY MISCCHARGES CREATEDTIME
Explain how the tensile strength and fatigue strength of a particular metal affect the materials selection process for an automobile valve spring.
Alloy Metal Briefly describe the steps that are used to ascertain whether a particular metal alloy is suitable for use in an automobile valve spring. Explain how the tensile strength and fatigue strength of a particular metal affect the materials selection process for an automobile valve spring. For a steel alloy material in a helical […]
Compare the properties of different springs and discuss their parameters accordingly. Which applications they are suitable for?
ME 3305 MATERIALS’ SCIENCE8 Define properties of at least 3 different springs as indicated in the above table such as stiffness, modulus of rigidity, maximum shear stress, etc. Discuss the results found and graphs. Classify the spring from the shape of the F vs δ curve. Give some practical applications of helical spring. Compare the […]
Find the power in kW produced by turbine. Determine the molar flow rate in mol/s of the exhaust gas needed and the maximum work produced in kJ/s.
Assignment P6.1 In a steam-power plant, steam at 200 psia and 600 ° F enters a turbine and exits at 5 psia and 200 ° F. The steam enters the turbine through a 2.5-inchdiamateter pipe with a velocity of 11 ft/s and exits through a 9-inch-diamater. Find the power in kW produced by turbine. Chapter […]
Briefly discuss using the fracture surface image and the absorbed energy the difference in the impact resistance of the steel sample tested at room temperature and -59oC.
Izod Impact Test (a) Use the table below with absorbed energy (Joules) results obtained for three materials tested. Calculate the average toughness and standard deviation for each material Izod Impact Test Steel Brass Aluminum 1 2.56 1.87 0.97 2 2.62 1.72 0.79 3 2.68 1.67 0.80 Average absorbed energy Standard deviation […]
Match the most appropriate cool term with each definition. Discuss the advantages and disadvantages of using UV disinfection versus chlorine disinfection.
UV disinfection versus chlorine disinfection (10) Match the most appropriate cool term with each definition ( in the box to the left of the definition . Device used to measure turbidity Quiescent tank where particles settle Model that approximates microbial growth and substrate consumption Unfavorable condition where biological particles don’t settle well The bonding of […]
Compare the advantages and disadvantages of a combined sewer system versus a separate sewer system. What kind of system does San Francisco have?
Combined sewer system versus a separate sewer system Choose your favorite three of the following four questions: (10) Compare the advantages and disadvantages of a combined sewer system versus a separate sewer system. What kind of system does San Francisco have? (10) Explain why turbidity measurements are a poor method to use for assessing the […]
Assume Stoke’s Law applies. For particles with a diameter of 0.02 mm and density of 1200 kg— what percentage of these particles will settle in the clarifier.
ASSIGNMENT Your WWTP uses a rectangular primary clarifier that is 12m wide, 24 m long, and has a water rti3 depth of 3 m. The wastewater flowrate is 5000 —da. The wastewater temperature is 20 C (so the y water viscosity is 0.001 , and the density is 998 ) m •s ni3 a) (15) […]