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Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Which of the following statements best describe for a typical diatomic molecule of an ideal gas eg. N2 at room temperature (300k)a. the spacing between translational levels is less than KbTb. the spacing between rotational levels is less than KbTc. the spacing between vocational levels is less than KbTd. the spacing between the ground and first excited electronic states is less than kbT.e. all of the abovef. none of the aboveg. the first and third answerh. the first and second answer
The data provided by a water bottling company for the year 2020 to carry out Break Even Analysis and provide them the results, is as follows. The fixed cost of the year is 9000.0 R.O The estimated sales are 2200000 units The cost of water treatment / unit 12 baize The cost of bottling / unit 08 baize The cost of labelling / unit 08 baize The cost packing / unit 10 baize The cost of labour and maintenance / unit 20 baize The cost of 1 liter bottle (plastic bottle) 12 baize Each unit is sold at price 95 baize Construct the B.E.P chart on a graph sheet and indicate M.o.S, B.E.P and also indicate the new B.E.P, & M.o.S after the improvement measures has been taken and show all mathematical calculations. 1. Determine the B.E.P 2. Determine the profit 3. Margin of safety. 4. Write your decisions to improve the profits of the company and to reduce the B.E.P
1. Immiscible components do not mix in the liquid phase, and each independently exerts its saturation pressure until they rach a certain phase they can form homogenous mixture? 2. It will be easier to separate the components of a vapor micture if they have the same concentration. True or False
Question: 965 Ib of Dates (Cured) are entered at 85 °F and stored at 2 °F in storage cooler each day. Calculate the product load in Btu/24 hr.
27.) The following are ways to determine the internal energies and enthalpies of ideal gases EXCEPT: a.By using the tabulated p and v data. b.By using average specific heats. c.By using the tabulated u and h data. d.By using the cv or cp relations and integration 23. The energy equation theta = u + pv+ pe+ ke applies to flowing fluids Select one: True False
For the following core plugs, gas floods were carried out using nitrogen. The oil produced from plugs 1 and 2 for the gas floods was 9.0 and 6.9 cm3, respectively. What is the residual oil saturation (Sorg) in these two plugs? Plug No. Initial Plug Saturations (%) ∅ Bulk Volume ρgrain ρo ρw ρg So Sw Sg (%) (cm3) (g/cm3) (g/cm3) (g/cm3) (g/cm3) 1 64.64 35.36 0 38.27 63.05 2.719 0.723 1.0216 0.001 2 71.93 28.07 0 34.63 51.05 2.724 0.723 1.0216 0.001
Ans: 11,708,888.89
a) At an engine speed of 1000 rpm, what is the approximate penetration depth of the temperature fluctuations in (a) a cast iron block and (b) an aluminum engine block? b) Measurements of the exhaust gases of a hydrogen-fueled engine indicate a composition of 71.0% N2, 25.0% O2, and 3.9% H2O. At what equivalence ratio was the engine operated?
Nondestructive evaluation: Nondestructive evaluation (NDE) describes methodsthat quantitatively characterize materials, tissues, and structures by noninvasivemeans such as X-ray computed tomography, ultrasonics, and acoustic emission.Recently, NDE was used to detect defects in steel castings. (JOM, May 2005.)Assume that the probability that NDE detects a “hit” (i.e., predicts a defect in a steelcasting) when, in fact, a defect exists is .97. (This is often called the probability ofdetection.) Also assume that the probability that NDE detects a “hit” when, in fact,no defect exists is .005. (This is called the probability of a false call.) Past experiencehas shown that a defect occurs once in every 100 steel castings. If NDE detects a“hit” for a particular steel casting, what is the probability that an actual defectexists? Step by Step Full procedure required.
23) Mr.Salim wants to get material testing for his casting components where he want to damage his sample therefore he prefers to undergo the MPI test Select one: True False
11 Sunco Oil has refineries in Los Angeles and Chicago.The Los Angeles refinery can refine up to 2 million barrelsof oil per year, and the Chicago refinery up to 3 million.Once refined, oil is shipped to two distribution points:Houston and New York City. Sunco estimates that eachdistribution point can sell up to 5 million barrels per year.Because of differences in shipping and refining costs, theprofit earned (in dollars) per million barrels of oil shippeddepends on where the oil was refined and on the point ofdistribution (see Table 51). Sunco is considering expandingthe capacity of each refinery. Each million barrels of annualrefining capacity that is added will cost $120,000 for the LosAngeles refinery and $150,000 for the Chicago refinery. Uselinear programming to determine how Sunco can maximizeits profits less expansion costs over a ten-year period.
what thermodynamic concepts or principles are used in the manufacture of tile board through plastic and wet bagasse

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