Problem 1 A gas station with only one gas pump employs the following policy: if a customer has to wait‚ the price is $3.50 per gallon; if they don’t have to wait‚ the price is $4.00 per gallon. Customers arrive according to a Poisson process with a mean rate of 20 per hour. Service times at the pump have an exponential distribution with a mean of 2 minutes. Arriving customers always wait until they can by gasoline. Determine the expected price of gasoline per gallon. Problem 3 The Old Colony theme
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Problems 1-5 are from ‘Applied Thermodynamics - For Engineering Technologists’ by Eastop TD & McConkey‚ page 325. Problem 1 Calculate the throat and exit areas of a nozzle to expand air at a rate of 4.5 kg/s from 8.3 bar‚ 327 0C into a space at 1.38 bar. Neglect the inlet velocity and assume isentropic flow. 3290 mm2; 4840 mm2 Problem 2 It is required to produce a stream of helium at the rate of 0.1 kg/s travelling at sonic velocity at a temperature of 150C. Assume isentropic flow‚ negligible inlet
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Djibouti’s Water Problems Djibouti is a third world country that is located on the border of Africa along the Gulf of Aden and Red Sea‚ otherwise known as the horn of Africa and it is along the route of major shipping lanes for a large number of countries. The country consists of regions that have major cities within them. The country’s geography is made up of mostly desert‚ along with a smaller amount of grasslands along the coast. The climate is typically considered hot to most people‚ since the
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Problem of God Final Exam 1. Ideas of what constitutes female and male shape our understanding of many dimensions of our humanity included but not limited to: leadership roles‚ politics‚ family roles‚ and religion. In her book‚ Sexism and God-Talk‚ Rosemary Radford Ruether argues that our understanding of religion‚ specifically Christianity‚ has strongly been influenced by sexism. She outlines the historical and contemporary role of sexism in religion and argues that sexism has shaped our image
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and global depression slowed down and even reversed migratory trends. After the Second World War‚ the number increased again. This is an obvious fact that migration is one of the most significant problems in our world nowadays. People always want to be better and they can sacrifice anything to get what they want even migrating illegally to a richer country. This tendency has created a burden and made many unhealthy influences to our society. There are many reasons that can affect the migrant’s choices
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agree with the idea that even though loads of money are spent clearing rubbish‚ this alone cannot solve the littering problem. Environment has become so littered and polluted because of human irresponsible behavior and as long as the cause of the problem remains it can’t be solved only with very small part of the society trying to take some actions. Littering is also a big problem in Lithuania. Even though it seems like people are being informed a lot about consequences of littering‚ ignoring that
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Problem Analysis In this assignment‚ I have chosen to discus a topic that is not only a very pressing issue in this modern society‚ but also seems to have been forgotten by many politicians and therefore needs to be placed in the spot-light once again. This problem could best be described as a conflict between the many ethnical minorities that live in Sweden‚ and their relation to our society‚ the Swedish general population and the government. Every day‚ we read in the newspapers about how
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Agricultural problems in Pakistan and their solutions IMPORTANCE: Economy of every state depends upon 3 sectors i.e. agriculture‚ industry and commerce. These three are interconnected with each other as the progress or retrogress of one sector effects the other two. Pakistan is an agricultural state thus agriculture gains are of much importance than any other sector. Importance of this sector is manifold as it feeds people‚ provides raw material for industry and is a base for foreign trade
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occupation forces in Palestine but with some loose conditions which may not be acceptable to the natives of Palestine. A successful strategy for the freedom of Palestine must take into account the causes of support of the occupation forces. The problem Israel was built upon the land and homes of the Palestinian natives who were exiled through terrorism‚ murder and plunder. Israel continues to survive under the same conditions it was created; Israel is a colonial power. Israel was established with
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fewer means to achieve success. The form of assault where one individual forces another to have any type of sexual relations against that person’s will is called ___ Forcible Rape ____________________. ___ Statutory Rape ____________________ describes sexual intercourse between an adult and a minor. The
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