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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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Clsoeloop control system using Matlab
It can be observed from the figure that the steady state error due to the step disturbance is completely removed.Ziegler Nichols can be applied in cases where the plant transfer function is not known. A step response of the plant is obtained and calculations are performed on the step response to determine the parameters of the PI, PD or PID controller. Ziegler-Nichols is widely used in process industry where the plants are exceptionally non-linear and modeling them is not an option. Ziegler
Pages: 7 (1750 words), Essay
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Trace the progress of women in a selected country/geographical region and critically analyze the effects of:
What are their prospects moving forward, and what are the blocks to those? What tactics and strategies can they put to use in order to create a better future for themselves? (Parthasarathy; Manthorpe; Magistad; Wong; Pei; Amnesty International; Jacobs).China, with a labor pool of about 1.0024 billion workers as of late 2011, has the biggest workforce in the world. This, coupled by a booming economy backstopped by several decades of rapid growth, has propelled China into the ranks of the largest
Pages: 8 (2000 words), Essay
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LNG as fuel for aircraft
During the times when demand is low, LNG is injected into storage tanks where it can be more accessible to the aircraft. In order to keep it in liquefied form, the storage facility must be able to maintain a temperature of less than -73oC and down to a sub-cool temperature of -161oC before LNG is loaded into the aircraft fuel pods. Therefore, there must be a freezer installed to make that possible. Northeast Gas Association (2012) describes how LNG is delivered, saying that through the
Pages: 4 (1000 words), Essay
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Electromagnetic induction
The observed induction was due to a magnetic flux change that happened when the battery was disconnected and connected. For many year, Faraday discovered different electromagnetic induction manifestation. For instance, transient currents were observed whenever a bar magnet was quickly slid inside and outside a wire coil thud generating Dc current through the rotation of a disk of copper next to a bar magnet having a sliding electrical lead. The explanation of electromagnetic induction according
Pages: 4 (1000 words), Essay
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Heat Transfer
The radiator of a car is an example of an air cooler.The objective of using an air cooled heat exchanger is to increase the efficiency of a plant, and its environmentally friendly effect of not requiring an auxiliary supply of water and no water treatment chemicals required, compared to cooling tower counterparts. The problems of chemical and thermal pollution from cooling fluids do not exist while using the air cooled heat exchanger (Kroger, 2004).Industrial applications, which do not have a
Pages: 4 (1000 words), Essay
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Development and behaviour of high performance concrete materials and their use in innovative structural solutions
The developed blended cements and concrete materials did make a wonderful impact in the cement manufacturing and construction industries in many countries. At the moment, they are being utilizes in the common construction and in the restoration projects.The United States department of Transportation shows that the high performance concrete have a tendency of having compressive strength of over 150MPa, interior fibre reinforcement of ensuring brittle behavior, as well as, a higher bidder
Pages: 4 (1000 words), Essay
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The design of an automated external defibrillator
The key function of a medical device can be illustrated from scientific information quoted by the manufacturer in line with functional principle and the manufacturer’s labelling. Biomedical engineering is the major field charged with the task of designing, development and production of medical devices that are geared towards increasing efficiency in the delivery of healthcare services.Medical devices vary in their capacity and level of sophistication ranging from tongue depressors to
Pages: 9 (2250 words), Essay
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Ethics, Professionalism and Contemporary Issues
Therefore, as researchers and students seek for research and academic solutions, they also seek for business opportunities. With this trend in the use of technology, human traffickers have managed to lay traps through online adverts and fake employment opportunities, which have trapped many people, including children and adolescents. Most of the victims are traded for sexual slavery, where they are sold off as prostitutes. This explains why most victims have been women, both adults and
Pages: 5 (1250 words), Essay
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How to use a Rubber in Mobile Phones
This is the N9’s AMOLED gorilla glass curved screen that covers the whole of the N9 front face. This is a touch screen used for both input and output in this system. It not delicate as such since it is curved hence can resist a little bit of damage.The N9 case is made of polycarbonate that is well brushed. This is where all the components of the phone are housed and firmly head. It is the chassis of the whole device therefore providing the shape and character of this marvelous phone. The body
Pages: 5 (1250 words), Essay
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Project Report
This implies that the link road acts as a physical barrier to the two areas. Leeds City Council and its partners require development proposals that progress progressively in terms of quality with surrounding land uses and with the Yarn Street site.Fruitful negotiations with landowners concerning the level of funding from the public sector as proposed by the proposal must ensure that the scheme is viable. The discussed sites present development opportunities worth exploration but still there
Pages: 12 (3000 words), Essay
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Green concrete
Above is a picture of “New Eastern Bay Bridge”, which has used green concrete in its new span. This has resulted in reducing the carbon emission by around 60million pounds, as it helped in keeping the environment clean and healthy. Most industry experts, all over the world, have appreciated these results.Research has been going on for finding the correct quantity of cement substitutes that can go into the production of green concrete. In countries like Denmark fly ash and silica by product
Pages: 4 (1000 words), Essay
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Concentrating Solar Power
The type of technology that will be required to bear the weight, technology for sealing, bear gas-foil and how to counter the rotor wind age losses which are required for the cycle to be able to reach its effectiveness and how it reduces the costs which are its main aims.The second phase of the investigation called the second loop that has been designed is a megawatt heater-class closed Superscript CO2 Brayton cycle. This process is called the ‘re-compression’. In this phase the cycle will
Pages: 10 (2500 words), Essay
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Advance reservoir petroleum engineering
When the log-log plot is defined in a pan system, the reservoir properties are easily worked on. From the Log-log curve, the effects of inner boundary (skin and wellbore storage), the early time region (ETR), radial flow in the middle time region (MTR), and the outer boundary such as faults in the late time region are seen.When the well is first opened to flow after a shut in a certain period of time, the flow rate at that moment is not from the reservoir due to fluid expansion resulting from
Pages: 5 (1250 words), Essay
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The transference of telecommunications ( A comparisons of fiber optic and copper wire )
This is a direct result of the recurrence, with which weakening happened in lines throughout the begin of the change of the creation. There was absence of virtue in the glass utilized as a part of fiber optics around then, hence, coming about into powerlessness of the cables to keep up the substance of data over long separations. The rate, at which light beats debased, is evaluated to be about 1000 dB/km before they could reach the opposite side of the cable (Molisch 2010).Fiber optics (optical
Pages: 6 (1500 words), Essay
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You are being asked to help design a new robotic system. a design concept has been created for a polishing system driven by a simple two link manipulator. your job is to design/select the configuration of the two links
The use of such measures is to minimize the collision of the moving parts of the robotic system.In the design of a robot, there are specific and key factors that should be considered. Foremost, the robot must be in a state of isolation that is stand-alone feature like. It should be able to support itself without any assistance from any object. Secondly, the robot must accept the programming codes in order to accept the outlined instruction to give desirable objective. The machine should be easy
Pages: 8 (2000 words), Essay
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Construction Industry in Sultanate of Oman
The construction industry in Oman is highly growing because of the government support. However, the country has a very low labor power. This is because of the low population in the area compared to the number of construction projects. The country only has a population of 2.8 million individuals (Pitcher 2014: 1). The labor issue is especially affecting the private construction firms. Apart from the small population, the industry is facing labor issues because most people are not interested to
Pages: 6 (1500 words), Essay
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Pre contract cost planning and pre contract cost controlling
Thus, cost management is the process of assisting the design team to design to cost instead of the quantity surveyor costing a design (Potts & Ankrah 2013:59).Cost management is a complete process, which make certain that the contract amount is within the approved budget or cost limit of the client. The modus of the design cost control is that by employing the cost planning method which is the evaluation of existing projects into various functional elements so as to offer a means of evaluation
Pages: 12 (3000 words), Essay
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Construction Legal Procedures
The construction will not be granted permit to start the construction work when there are conflicts in the area of construction. This happens in most cases due to failure by the construction company to involve the local community in the project contract. Before any contract project commences, the community must understand well the benefits and impacts of the project in their lives. Involvement can be done through various channels such as communication through print media, meetings, and seminars
Pages: 6 (1500 words), Essay
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State Based Ladder Logic Programming
The objective of this lab was to make a PLC program, which recreated the operation of a carport opening/ entrance. This system had five fundamental states, which are depicted in the diagram in Figure 1.The second partition of this lab obliged that the opening/ entrance could keep running in any course at most for 5 seconds. Since the guidelines were not clear on which state the opening/ entrance ought to be in toward the culmination of the 5 seconds, we accepted that the opening/ entrance ought
Pages: 6 (1500 words), Essay
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