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Engineering and Construction Essay

Report on a smart device
When the sensor is placed in a magnetic field, a force is exerted on the semi-conductor material by the present magnetic flux lines. This force deflects the electrons, holes and charge carriers to left or the right side of the semiconductor slab (Fraden, 1997). The movement of charge carriers that occurs is a result of the magnetic force these carriers experience as they move through the semiconductor material. Hauptman (1991) points out that as these holes and electrons move side wards, a
Pages: 5 (1250 words), Essay
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Reading the paper and answer question
Therefore, in as much as it was an innovation, it has remained resistant to change, to the surprise of many (Invention & Technology, 1999).The writer also believes that the American style of construction of houses was influenced by the Midwest, made up of the French, Amerindians, Europeans and Spaniards (Invention & Technology, 1999). The 19th century saw new houses rise in demand, occasioned by a change in wood technologies, and American settlers around the Mississippi at that time found new
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REPORT ON AM TRANSMISSION AND RECEPTION
Also the output signal with modulating index 1 and when it over-modulated is shown in figures (8) and (9) respectively below. In case of over-modulation the modulation index will have greater than unity value. Since the condition for envelope detector in terms of modulation is defined as;Now as further step the two-post connector at the output of balanced modulator is connected to “SSB” and “AM” terminals while another two two-post connectors- one is connected to the input of RF power
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RECOMMENDATION REPORT DISCUSSING TWO SOLUTIONS OF WATER PROVISION METHODS FOR AN ARID REGION
Water crisis exist when desired water cannot satisfy the region’s need for fresh water, this have been evidenced in many countries (Santos, 2009). Each nation is currently trying to reduce water scarcity and crisis by employing different methods including desalination and water recycling which are discussed in this paper.Desalination have been the source of clean and reliable water for the arid region for over five decades. The practice is all about extracting the salty seawater and running
Pages: 6 (1500 words), Essay
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Renewable energy
Wind energy has the second largest potential. It proves to b more cost efficient as compared to the solar energy. Wind energy rotates the turbines that power the generator with the help of wind. Wind energy can reach remote region where transmission lines seem unrealistic. The operational cost of the wind energy is just a fraction. The area below the wind turbine can be used for irrigation and other purposes (Ryan).The major disadvantage of the wind energy is that it requires large capital
Pages: 4 (1000 words), Essay
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River Engineering: appraising the options for river bank protection **
Methods involve the application of natural procedures with limited reinforcement to promote river bank protection for instance: Use of grass turfs that are reinforced with certain synthetic materials. On the other hand, some of the river bank protection methods are completely man-made and mechanical in nature, for example; construction of vertical structures for river bank protection methods such as gabions, steel trench, masonry gravity walls and bricks. In some cases, stone wall structures
Pages: 7 (1750 words), Essay
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Retrofitting of Existing Reinforced Concrete Members with Carbon Fibre
In recent years, carbon fibre reinforced polymer (CFRP) has been widely used as an external reinforcement because it has been found to be important for the improvement of the structural performance of the reinforced concrete structures. Many research work conducted in the past on the strengthening of existing reinforced concrete (RC) beams has been mostly focused on the flexural strengthening (Obaidat et al. 2009), (Ashour et al. 2004), (Wang & Zhang 2008), (Esfahani et al. 2007) and (Wenwei &
Pages: 32 (8000 words), Essay
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Robots in real world
The robotics advancement has made the application of robots to be widespread ranging from healthcare to manufacturing. The many advantages of robots are noticeable when it comes to safety, productivity, and saving of money and time. In productivity, the robots give out more high quality and accurate work than the humans who are typified by errors. Robots rarely make mistakes hence extremely precise in comparison to the human workers. They give out a huge production quantity in a short duration
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Radio and mobile communication
As a result, data transfer rate reduced to a very low rate. In fact, the majority of 2G networks supported a data transfer rate of 10 Kbps for all kinds of users. In this scenario, 2G networks were unable to support sophisticated short messaging capabilities and effective Internet browsing and. Short Messaging Service (SMS) is a popular feature of GSM. Thus, in order to help 2G standards overcome compatibility related issues and offer improved data transfer rates, which could at least deal with
Pages: 10 (2500 words), Essay
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Rotational Viscometer
The properties of fluids, they are able to draw conclusions on the expected damage or amount of effect to be caused, and the relative appropriate method to be used in combating natural calamities with the efficiency of the fluids to be used as shields (Reid & Sherwood, 1958).Engineers design equipment that use fluids, transport or operate in fluid environments such as pacemakers and engines. Understanding the behavior and properties of fluids enables them to selectively use a fluid that is
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Research paper
The 4,280 people, only 19% have been found to be over 65 (CDC 2013). Children seem to be exposed to such risks at similar level: about 20% of the pedestrians who were killed in 2010 have been children (CDC 2013). On the other hand, it seems that there are certain factors that can increase the chances for road accident in which pedestrians are involved: for example, alcohol abuse has been found to be a key cause for fatal road accidents, at a level of 47% (CDC 2013). In the above example, the
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Role of the engineer
(The Millennium Project, 2009). Considering these problems facing the world today and which are expected to increase in future, the engineering profession has to revisit its mindset and create a new mission statement – contributing to the establishment of a more stable, sustainable, and equitable world.According to the Millennium Project, there are fifteen global challenges, which are updated annually including sustainable development and climate change, clean water, energy, science and
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Role of the engineer
A couple of decades ago, global health faced the problem of inadequate resources to curb the multiple scourges that ravaged the world’s sick and poor. Thanks to the unprecedented and extraordinary increase in private and public giving, more financial resources are directed towards the pressing health challenges today than ever before (Institute of Medicine et al. However, because this money pays mainly for uncoordinated efforts and is directed only at particular high-profile diseases – and
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Risk Management
This approach is also common because it makes it easier to involve people with no expertise in the field.However, the qualitative approach to risk management does not sufficiently differentiate between important risks. Due to lack of basis for a cost-benefit analysis this approach makes it hard to justify investment in control implementation2. This approach also over relies on the quality of the risk management team involved for quality results.The qualitative approach to risk management has
Pages: 7 (1750 words), Essay
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Route planning for two wafer fabs with capacity-sharing mechanisms
We are thus left with the four routes which are: and. The path of transport that is available between any two stations is very unique. To reduce the complexity of controlling the traffic, we must define a fixed path. If we let the cutoff point and route and the route ratios of the product I be represented by. If we define as a set of cut off points and. The route planning problem will then be given by.According to Binh & Lan (2007, Module 1 deals with the static capacity allocation whereby
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Routing Optimization for Waste Management
The company has the following objectives, to maximize on the visual attractiveness which will enable the company to gain more customers because of the good image portrayed. Minimize of the number of vehicles so that the company cannot spend more and more resources servicing lots of vehicles. Minimizing the travel time ensures more resources like the money used to fuel all those trips is saved. Balancing work load among the vehicles to ensure more efficient work is also another objective of the
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Rephrasing stent fracture
The high ductility, excellent radiopacity, and superior corrosion resistance of Trimaxx is based upon the characteristics of tantalum which has helped the manufacturers to create a thin strut. Used by 100 patients, the evaluation and anlysis of ISR over a six month deployment showed that 25% ISR was the global low range 6. Figure 8 shows a cross sectional and top view of a Trimaxx Stent.Figure 9 shows a Tryton Side-Branch Stent, which was created by the Tryton Company.5 What makes their
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Review of the carbon footprint of renewable energy (wind turbine) installations
Eventually the carbon payback time of a wind farm is obtained by relating or comparing the net carbon losses from a given wind electricity generation farm with carbon savings observed from the wind farm by changing the same electricity or power generated from same capacity coal fired turbine (Badrzadeh, 2010).The LCA or Eco balance or the cradle-to-grave analysis technique are utilized in assessing the environmental impacts entailing all stages of wind power generation products life, that is,
Pages: 22 (5500 words), Essay
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RF and Microwaves
Step times that are smaller are also permissible in this experiment and if they are used, they may result into results with an improved accuracy. Large time steps normally result into instability (Luebbers, 2004). In the use of the FDTD method, the field of incidence must be incident and must also be analytically specified. If the resonant geometries used are strong, the excitation of the finite- difference time-domain has a narrower frequency and this frequency can be modulated and increased
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Risk & Safety Management
From the assessment, it will be possible to reveal potential threat channels and in it acquire openness that will enable us to devise safety and precautionary measures to ensure success of our mega project.This stage is necessary since it determines the approval or denial of the project proposal by the Hong Kong construction and explosives authorities. The analysis is highlighted below, with regards to the type of risk posed by the explosives that will be stored in the magazine and transported
Pages: 6 (1500 words), Essay
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