Term 1 - Summative Assessment Science (Theory) Question Paper Set - 1 Time: 3 to 3 ½ hours Max. Marks: 80 Instructions: 1. The question paper consists of two sections‚ A and B. You are to attempt both the sections. 2. All questions are compulsory. 3. There is no overall choice. However‚ internal choice has been provided in all the three questions of five marks each. You have to attempt only one option in each question. 4. All questions in Section A and all questions in Section B are to
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Hi guys‚ my name is Betty. I am the lead of my group today. I am goanna talk about fuel prices. The issue of fuel is very complex. First‚ what is fuel? It is material such as coal‚ gas‚ or oil that is burned to produce heat or power. And these 3 energies occupy the major parts of fuel use. In the past few years‚ fuel prices went up rapidly. Each country is very sensitive on the price. What causes fuel prices to rise and fall? For instance‚ let us have a look at oil. There are two main reasons
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THE DEPLETION OF FOSSIL FUELS By Zoe Noonan Introduction As the world is becoming more advanced in technology‚ more energy is being used to keep up with the changing requirements. At the current rate at which energy is being used‚ the world will shortly come to an end of fossil fuels- the world’s primary energy resource. Abstract This research paper outlines the problems being faced by the shortage of fossil fuels‚ the effects they are having on the environment and the possible substitutes
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FUEL CELL CARS Fuel Cell cars are a major part of the fleet of Zero-Emission Vehicles. The fuel cells are fueled with pure hydrogen and hence they are considered to be zero emission vehicles. Fuel cells have been used on spacecraft for many years to power electric equipment. These are fueled with liquid hydrogen from the spacecraft ’s rocket fuel tanks. Basic Mechanics Fuel cell vehicles turn hydrogen fuel and oxygen into electricity. The electricity then powers an electric motor‚ just like
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To accompany the short story “The Red Candle”‚ the song “Stop and Stare” by OneRepublic‚ would ideally match the concepts shared in the story. In “The Red Candle”‚ Lindo must find her internal strength to escape the captivating force that is the Huangs. Her struggle to attain her power is a theme often replicated within the song lyrics. Thus‚ whenever we see Lindo put in an effort to achieve her goal‚ the song would perfectly complement the situation. The scene would open up to Lindo laying in
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Chapter 3 SOUTHWESTERN UNIVERSITY: A DisQ - 1) Activity Mean S.D. Variance T.a=30 3.33 11.11 T.b=60 10.00 100.00 T.c=65 8.33 69.39 T.d=55 11.66 136.10 T.e=30 1.67 2.78 T.f=0 0.10 0.00 T.g=30 1.67 2.78 T.h=20 3.33 11.11 T.i=30 6.67 44.44 T.j=10 0.67 0.44 T.k=0 0.10 0.00 T.l=30 6.67 44.44 Critical Path= A-C-D-G-H-I-L (260 Days) Variance of critical path = 11.11 + 136.1 + 2.78 + 11.11 + 44.44 + 44.44 + = 319.37 S.D of critical path=17.87 days DisQ - 2) P(t< or = 270) P(Z< or = (270-260/17
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Alternative Fuel A Good alternative fuel vehicle to add to the lineup of vehicles of Lotus Rental Car’s will be diesel operated fuel vehicles. You will not find a big popularity in diesel fuel engines in the United States like you would in Europe but it is growing especially with the new technology available now. Some of the benefits you will find in diesel engines are the savings. One will be in the miles per gallon (MPG) diesel fuel provides people with another option rather than gas and lasts
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Name: Date: Graded Assignment The Comparative Essay: Early Civilizations Complete and submit this assignment by the due date to receive full credit. (45 points) Score 1. Compare and contrast key characteristics of two early civilizations (choose from Mesopotamian‚ Shang‚ Indus Valley‚ Chavin‚ and Phoenician) in terms of three of the following: economy‚ political system‚ art and architecture‚ religion‚ technology‚ legacy. Answer: Of the world’s first civilizations‚ all successful and renowned
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the Home and Fabric care division more specifically on the febreze glass candles. The analysis will use all of the candle industry researched information that was available. If the pertinent information was not found‚ the overall company information will be used. Current Situation Analysis External Environment Industry Overview Procter and Gamble started in the candle industry in early 2006 with the Febreze candle line taking the scent that was chemically formulated to reduce odor and leave
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development of a mixed fuel called HYTEST. Today‚ automobile manufacturers and DOE continue to work on hydrogen-powered ICEs. | Hydrogen/natural gas fueling (HYTEST fuel) of Ford Ranger‚ FSEC H2 Lab (Photo: S. Spencer) | There are four basic issues regarding hydrogen-fueled engines and vehicles: engine backfire and susceptibility of hydrogen to surface ignition‚ somewhat reduced engine power‚ high nitric oxide (NOx) emissions‚ and the problem of on-board storage of the fuel and safety. Although
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