Project X Essay Example | Topics and Well Written Essays - 500 words - 1

Project X - Essay Example For the success of our project X, whose goal is to create a defense mechanism to save major important cities of the US from enemy missile attack, it is of utmost importance that we consider these methods and identify the potential risks for project X. Quantitative Risk Assessment System (QRAS) is a personal computer (PC)-based software tool for performing Probabilistic risk assessment (PRA) supporting decision on funding -- cost-estimation steps. QRAS is designed to bridge the gap between professional risk analyst and the design engineer. It is a user-friendly, graphical interface design, used by managers and engineers with minimal specialized risk assessment training. Its front-end is a graphical point-and click tree system model, combined with elements, subsystems, and sub-systems – the system hierarchy used to attach known accident initiators or failure modes. This hierarchical feature helps in making a Master Logic Diagram. Mission profiles can be set on sub system run times – a Mission Timeline module feature. The potential risks of failure probabilities can be calculated with the Timing data in other parts of the QRAS. This tool helps in constructing Event Sequence Diagrams (ESDs), explaining the scenarios lea ding to catastrophic failures or success of pivotal events showing fail-safe design or even emergency procedures and reasons of failures. Fault trees are built with graphical interfaces, which are joined to ESD models. The different features of QRAS are quantified to check failure probabilities in physical variables, providing fast and exact solutions. This software tool generates conventional event tree, minimum cut sets of system fault trees and ESD end states automatically for the risk scenarios. The software tool QRAS can identify the potential best estimate of catastrophic failure probability of a mission like the loss of Mobile Housing Unit (MHU). It would calculate a system’s top-level and intermediate

Economics of Immigration Essay Example | Topics and Well Written Essays - 1500 words

Economics of Immigration - Essay Example However, the economic impact largely depends upon the skills of those immigrated (House of Lords, pp. 5). A question however arises. Why is there a large need for immigration? In many poor countries, the population grows at a faster pace than the creation of employment opportunities. The political instability, economic and social problems all propel certain people to immigrate, either legally or illegally, to developed countries. Mexico is one such country that has shown a large increase in immigration to countries such as the United Sates. Many of the Mexican workers in the United States have immigrated illegally, without any inspection or a Visa (Yoshida, pp. 2). The major relationship of migration occurs between the United States and Mexico. Around 9 million people, born in Mexico have now migrated to United States. This migration has largely created economic changes in Mexico and United States. Two major factors have resulted in the blooming of this relationship. The first is bec ause of increased economic growth. Secondly, because of high inequality in Mexico and between Mexico and United States, the immigration has increased (Bush, McLarty, Alden, pp. 39). Immigration is largely because of economic factors and it further has economic impacts. The paper shall attempt to discuss the economic reasons of immigration into the United States from Mexico, what economic effects it has had on the U.S and Mexican economy. It also covers America’s policy, regarding immigration. As mentioned above, economic factors play a major role in an increase in immigration in the United States from Mexico. After the Second World War, there was a baby boom in both the United States and Mexico, but eventually in 1960, it reduced in US but continued to grow in Mexico. The Mexican economy did not create as many jobs as it should have for the working population; therefore, it resulted in immigration into the United States. Economists have concluded that around one third of immi gration from US to Mexico in the past decades has occurred because of an increase in birth rates. (Bush, McLarty, Alden, pp.39). However, the baby boom does not remain the only economic factor, explaining immigration. The second largest reason for immigration into the United States is due to the weak Mexican economy. For the past decades, the Mexican economy has not created enough jobs; the minimum wage remains too low. Even though the Mexican economy grew in 1960s and 1970s, the 1982 debt crisis rocked the economy largely, resulting in emigration from Mexico in search for higher paid jobs. The trend towards higher immigration into the United States from Mexico has largely been followed by recessions or slumps in the Mexican economy (Bush, McLarty, Alden, pp.39). In fact, the economic factors play such an important role in the process of immigration in United States from Mexico that the major source of revenue in Mexico comes from remittances sent by Mexicans working in the United S tates (Drachman & Paulino, pp. 124). Although immigration to another country may occur because of political instability and religious reasons, in the case of Mexico, this immigration has largely occurred because of economic problems. Mexicans have gained economically because of this immigration into the United States. It increases the wage per hour of an average Mexican worker; therefore, increasing the standard of living. Moreover, the United States