ULTRASONIC TESTING (UT) USEFUL FORMULAE 1. Velocity of Ultrasonic Waves in a medium (V) = f x l OR W here f = Number of cycles per second is called frequency. Measured in ‘Hertz’. Abbreviated as ‘Hz’. One Hertz is equivalent to One cycle per second l = Distance covered in one cycle is wavelength V= Velocity of Ultrasonic wave inside the medium in ‘mm/s’ 2. A coustic Impedance (Z) = V x r W here: Z= Acoustic Impedance r= D ensity V= Velocity 3. R eflection Coefficient
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14. If x has the probability distribution f(x) = 12x for x = 1‚2‚3‚…‚ show that E(2X) does not exist. This is famous Petersburg paradox‚ according to which a player’s expectation is infinite (does not exist) if he is to receive 2x dollars when‚ in a series of flips of a balanced coin‚ the first head appears on the xth flip. 17. The manager of a bakery knows that the number of chocolate cakes he can sell on any given day is a random variable having the probability distribution f(x) = 16 for x =
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Ethics Up in the Air (2009) Reviewed by David A. Thomas‚ Prof. of Rhetoric‚ Emeritus‚ University of Richmond[i] “We Appreciate Your Loyalty”—American Airlines Slogan. Up in the Air is a profound tone poem on misplaced loyalties in the corporate world‚ and in marriage and grown-up sexual relationships as well. Disguised as a kind of midlife romantic comedy‚ starring one of America’s busiest‚ coolest‚ suavest‚ and cleverest leading men‚ George Clooney‚ Up in the Air neatly slices open
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Air Pollution Air pollution in Egypt is a real‚ harmful and serious problem. It is caused by a wide variety of things. From these causes is the great amount of smoke that come from chimneys of factories that were built near the cities as it release great amount of harmful‚ poisonous‚ black smoke which is quickly spread in the air and change its color into black. Also the black color of car exhaust has a serious‚ bad effect on human’s respiration and which unfortunately we breeze it daily as we
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The Strategic Analysis of Air Asia‚ can be done with the help of Michael Porter’s five forces. It describes the internal affection of the industry with elaborating competitive rivalry amongst the firms in the industry to the bargaining power of customers and suppliers. It also explains the threats of new entrants and already existing firms. Aforementioned‚ Air Asia has been assessed with all these five forces. Competitive Rivalry The demand function for air travel is affected by price‚ income‚
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Out of the 45 options‚ a co‐branding between Ryan Air and Bic would be most logical. Both brands have similar characteristics and an extraordinarily similar customer base. Other co‐branding possibilities could be Air France‐Bic‚ Coca‐cola – Burberry‚ Dove – Airfrance. The first has potential because both companies are French and have strong brand images. However‚ Air France does not match Bic’s customer base as well as Ryan Air does. Coca‐cola and Burberry both have rich histories and a strong
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could go days without food and hours without water‚ but you would last only a few minutes without air. On average‚ each of us breathes over 2‚000 gallons of air each day. You must have air to live. However‚ did you know that breathing polluted air can make you sick (EPA) environment protection agency? Although we need our factories to produce our products and transportation to get place to place air pollution has a great deal on our industrialization that leads to many hazardous effects. An example
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Utilization and Acceptability of Sampaguita (Jasminum sambac) Petals and Orange (Citrus sinensis) Peelings Extract Mixtures as an Alternative Home Air Freshener Spray Mayona Paula T. Alcala Louise Monique A. Conejos Danielle Khameron C. Salingsing Researcher II- MG In Partial fulfillment of the requirements in Research II Samar National School Catbalogan City‚ Samar Mrs. Ermelinda Floretes Research Adviser November
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Oman Air‚ the flagship company of the Sultanate of Oman’s Civil Aviation sector‚ commenced operations in 1993. Starting off as a regional player‚ Oman Air‚ as Oman’s national carrier has witnessed rapid growth since the time it was established. Oman Air has played a major role in making Muscat a major traffic hub in the Middle East providing a fillip to commercial‚ industrial and tourism activities. The history of the establishment of Oman Air to 1981‚ where it began flights actually in 1993‚
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used in the study of air pollution are introduced. lsointroduced are a brief history of air pollution‚ its regulation‚ and trends of its ambient concentrations and emissions. Keywords: Anthropogenic‚ biogenic‚ geogenic emissions biogenic‚; primary and secondary pollutants; criteria‚ hazardous‚ radioactive‚ indoor pollutants; sulfur smog‚ photochemical smog; UN-ECE‚ US-EPA‚ Clean Air Act. Air pollution spreads easily as it travels into the atmosphere. People get exposed to air pollution not just
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