clownfish with two anemones. I also chose 5 sergeant majors‚ 2 bleenies and a yellow tang. 2. What changes did you make to your reef tank during the 12 weeks and why did you make them? After I selected my fish‚ I noticed that the tank began to grow algae. The next time I selected fish and invertebrates‚ I chose to add cleaner shrimp and snails to my tank. The pH then started to go up‚ then down‚ and then up again so I added pH buffer solution so the pH could stabilize at 8.1. After that‚ I
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Exercise 1: Assessing Color Variation Among Males in Guppy Populations Upper West Stream Male # | Spot Brightness | 1 | 19 | 2 | 13 | 3 | 13 | 4 | 13 | 5 | 16 | 6 | 14 | 7 | 17 | 8 | 16 | 9 | 14 | 10 | 16 | 11 | 17 | 12 | 18 | 13 | 13 | 14 | 14 | 15 | 17 | Notes: * Rivulus species also found in stream * Female guppies have no spots * Small amount of Rivulus compared to guppies * Adequate amount of food for the guppies Histogram: Hired Assistant:
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fire stations. The cause of the fire was the overfilling of Tank 231. While no crude oil escaped from the tank as a result of being overfilled‚ large quantities of hydrocarbon vapors were trapped above the surface of the tank’s crude oil. As the quantity of crude oil increased‚ these hydrocarbon vapors were forced out of the tank’s vents and into the area of the No.4 Boiler House where the initial flash occurred. The overfilling of the tank resulted from a failure of the tanker’s personnel to properly
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The Tiger was in general a much more powerful and tough tank to bring down than the M4 Sherman‚ however this statement does not tell the whole story. Production of the Tiger and the durability was less efficient than the M4 Sherman‚ which gave the Allies a huge advantage. In addition to the production advantages that the M4 Sherman had over the Tiger‚ there were several other small factors that contributed to the M4 Shermans effectiveness and resilience. The productions figures are of the United
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------------------------------------------------- ASSIGNMENT 1 1. A rigid tank with a volume of 1.8 m3 contains 15 kg of saturated liquid vapor mixture of water at 90oC. Now the water is slowly heated. Determine the temperature at which the liquid in the tank is completely vaporized. Also‚ show the process on a T-v diagram with respect to saturation lines. (5 marks) 2. A 0.5 m3 vessel contains 10 kg of refrigerant-134a at -20oC. Determine (a) the pressure‚ (b) the total internal energy
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are discussed and it is demonstrated that the commonly-held view that water-washing of a certain header caused the disaster is physically impossible. Evidence is presented which indicates that direct water entry into the methyl isocyanate storage tank was the likely initiating cause of the Bhopal disaster. I. INTRODUCTION In the aftermath of a major accident or incident in the chemical industry‚ it is common practice to ascertain the cause of the event through an investigation. If the magnitude
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e a s u r e m e n t Servo Gauges ”The Tank Gauging People” Servo tank gauge - the advanced gauging tool Enraf introduced the automatic servo level gauging technology in the mid-fifties. Not long afterwards‚ we introduced the first Servo tank gauge in history to be certified by the leading Weights and Measures authorities. Innovative ideas are geared towards users satisfaction. After more than 40 years Enraf is still the driving force in tank gauging. Continuous development means: • • • •
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water and with itself 12 8- Safety features12 12 8.1- Tank safety features 12 8.2- After tank safety process 13 9- Early warnings 15 10- Contributing factors 16 11- Working conditions 16 12- Equipment and safety regulations 17 13 –The accident 19 14- Direct reasons caused the failure of system precautions. 21 15- How did water enter the tank? 21 15.1-Human error 22 15.2-Sabotage 23 16- Event tree
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were brought out during the war. One example of this introduction of new weapons was the long-range rocket. Also during this time the atomic bomb proved to have a big impact on the war. Along with these new and improved weapons‚ falls the infamous tanks of World War II (Military
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for British Airways. Of these events; • Twelve had had structural consequences on the wings and/or the fuel tank • Six led to penetration of the tanks • Nineteen of the tyre bursts or deflations were caused by foreign objects • Twenty-two occurred during takeoff • One case of tank penetration by a piece of burst tyre However none of the events showed any rupture of a tank‚ a fire‚ or a significant simultaneous loss of power on two engines. It was clear that the case of tyre bursts
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