Various questions emerged as the Channel Tunnel project was in the planning phase. Perhaps one of the more critical questions regarding project management in this regard was what tunneling scheme ought to be followed. Boring for the tunnels could be initiated from either end of the English Channel or from both ends simultaneously.
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The author states that the most significant aspect to note is that the strain-hardening exponent may be obtained over the total plastic stress-strain curve of the true stress-strain curve stated in a metal specification. The strength and hardness of a metal limit the simplicity with which it can be tested and machined.
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Residential buildings are being constructed in a manner so as to address the all-important issue of environmental sustainability. Utmost care is being exercised in both ensuring that the levels of energy emissions from the building are minimal, and also in making sure that the residents are enabled in meeting the vital aspect of energy efficiency.
Eighteen men fell culprits and died in the 1973 Markham colliery disaster in which other eleven persons sustained serious injuries after a cage descending into the mine failed to stop while reaching the base of the mineshaft. Moreover, another person was reported to have sustained very bad injuries suffered during the rescue process.
The author states that if the other two responses are similar to that of Jones, then Jordan should proceed and confront Cash with his findings of falsified data. If Cash accepts, Jordan should try and collect the required data from the area Cash was assigned and try to compare them with the Cash’s computed data.
This is a metalworking procedure where smoothly-powdered metal is mixed with a calculated amount of binder substance to comprise of a 'feedstock' able to handle by plastic procedures equipment through a method known as injection mold forming. The molding technique allows multifaceted parts to be shaped in a solitary operation and in high quantity.
The author states that any terror threat on the subway would affect the economy directly through reduction of productivity. A threat on the subway may be in the form of explosive devices placed on the rails or the trains. This would cause a fatal accident for the passengers and the people adjacent the train at the time of the explosion.
According to the report, the hardening process that can be used to harden the 4340 steel in order to achieve a minimum yield strength of 900Mpa is through tempering process. This involves re-heating the 4340 steel alloy in a warm state to a temperature of about 650 degrees Celsius for about four hours.
Airlines have ordered 109 aircraft. From passenger, carriers showed interest in the 747-8 Lufthansa (20 cars), Korean Air (5 cars) and the American Boeing Business Jet (8 cars). Cargo (where there is no competition at 747, A380 cargo there so far only in the diagrams) are interested in eight airlines.
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The author states that the turbine drives as this cycle goes on because the process rotates the compressor. There are several forces involved in the operation and performance. These include the thrust, power production, constant pressure, the working cycle, the Boyle, and Charles law that defines the operation of these engines.
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To solve the world energy crisis it is very important to know the basic forms of energy and its sources. Next chapters have explained the thermodynamics and electrical theory. These chapters develop the understanding about the energy and its conversion which is used in many practical engineering applications.
The author states that every year, hundreds of motorists and pedestrians die on the roads and highways of Cleveland Heights, as a result of over speeding. Over speeding has been reported as one of the major cause of all casualty collisions. The rationale behind the enforcement of this project is to reduce the number of accidents casualties.
The author explains that Parts Manufacturer Approval written in short as (PMA) is a combined design, as well as production approval for the replacement and modification of articles. The PMA often allows the manufacturer to produce, as well as sell the articles for installation on the type of certificated products.
The author describes how to back up power supply in a television set by creating an in-built power backup system that automatically switches over through an extra fast transfer switch to an inverter which continues to supply power to the television set. The blackout period might vary depending on the location and the urgency of the power company.
Over the ages, aviation technology has managed to reduce the number of accidents occurring. However, human errors continue to challenge the entire aviation industry when it comes to aviation safety. Human factors such as complacency, fatigue, stress, improper communication, distraction, pressure, the absence of assertiveness, norms, etc.
The author proposes to create a new guild without classifying who is an artist and who is a craftsman. Later in the article, the aims of the Staatliche Bauhaus are presented as well as the principles what lead the institution. In the school, all practical and scientific areas of creative work are included – architecture, painting, and sculpture.
The net operating income and the capitalization rate for a building are the two key indicators of return on investment on a real estate property over a period of time. The value of a property is directly proportional to the net operating income from the property and is inversely proportional to the capitalization rate.
The material must not expand at high temperatures and should also contract minimally when cold water is used in fire-fighting applications. The material should be fire retardant and not subject to combustion. This report summarizes the properties of concrete, steel, and timber used in the construction of buildings.
The early form of bridges were the beam bridges, arch bridges and the suspension bridges all constructed from natural resources like wood, vines, and fallen tree trunks. (Hill James et al, n.d ) The modern-day bridges essentially consist of a combination of all the three bridges but to a more refined scale using materials like steel and concrete.
The author states that presence of water in the MIC holding system was a major cause of the accident because of reactive nature of MIC with water. There were immense damages including the death of animals, destruction of plants and people. The presence of water in the holding tank may have been a human error.
Then the rest of the day, the interns are allowed to go home as they please. However, with this entertainment center, the interns will have an opportunity to converge together in the entertainment centers and in the process, they get to share experiences and come up with creative ideas.
The author explains that prior to the steam engine invention, people used natural means like and horses to travel around. The methods of production that were in place depended on labor-intensive techniques. Inefficiencies were experienced as a result of employing labor-intensive techniques in production.
The bridges were designed in a frugal manner and few numbers of popsicle sticks were used to achieve the design goals. The effectiveness of the design of the bridge was evaluated. Moreover, there was design improvement since the final structure had the highest load to weight ratio of the two.
This research will begin with the statement that construction is one of the most interesting things to do especially if you are architecture and you enjoy your work. It must be however be noted that construction is not as simple as it looks like. Construction requires logical thinking and planning depending on the given environment and resources available.
The author states that step-up power transformers can be installed into grid network to increase voltage in order to enable supply of power by generators to reach far-distance loads. On the other hand, step-down transformers are installed out of a grid network to reduce the high-voltage from power lines to a usable voltage
There is no specimen that satisfied the <(less than) 89% of the maximum density since most are way above like in 90 something percent. The percentage of moisture absorbed in volume in the asphalt is very much similar to the moisture contained in soils. This moisture content is vital in densification.(Marker, 289).
The conclusion from this study states that Putnam observes that one’s freedom to choose one’s own ethical principles and values is limited in a way. This notwithstanding, a strong-minded individual or organization that places the appropriate emphasis on ethical issues can get out of any situation without tarnishing their ethics.
The design requires working with highly qualified engineers from the IT department and other designers such as architects and contractors. The designers must have a vast knowledge of the fiber optic systems and installation processes. They must also be conversant with wireless technologies.
Temperature sensors are the “nervous systems” of any controller. Just as human beings rely on their sense of touch, temperature controllers rely wholly on the various sensors. The controller use signals from the sensor to decide whether it should turn the heater on or off in order to maintain a set or required temperature level
The author concludes that it was unethical that the company knew the problem through its engineers, but decided to ignore the concern. Most of the crashes occurred where the drivers exceeded the speed limits on unpaved roads. Ethically, the company needed to issue a disclaimer that the vehicles were not fit for high speed on such roads
The author of the paper states that these natural calamities have challenged the stability of buildings, bridges and other infrastructures. Thus, engineers and planners have continually engaged in innovative engineering approaches in order to mitigate the impact of these natural forces.
Planning determines the success of the business. Innovators and engineers need to build and perfect their products before exposing them to customers. Launching involves marketing of the product. The new entrepreneurial model focuses on identifying key assumptions, validating the assumptions using cheap experiments.
There has been a strong belief that the concept of controlling the flow while delaying the transition from laminar to turbulence was based on the surface smoothness until groove riblets proved the opposite. This is partly because drag reduction has lower energy consumptions of up to 10% for several applications with the small but longitudinally grooved surface.
Diesel-electric propulsion users must execute comprehensive risk assessment of the system to establish its dangers and areas of weakness. They must establish the type of danger it presents, how the degree of risks, when it is in use, can be increased, the detrimental nature of the risks and identification of the main areas when the risks occurs
The tripod upon which the theory rested was the economic, political and scientific rationalization. Economic rationalizations grouped all the forces of nature under the understanding and control of intellectual processes while political rationalization was expected to subject and control the governing bodies and social value systems.
For instance, the building received an award for embracing environmentally friendly measures in the construction process, which stipulated its acceptance as the world’s high-performance building constructed to promote environmental conservation.
The author states that a rise in the percentage of crashes has been observed in crashes involving the use of alcohol, unbelted occupants, during weekends, during nighttime and on interstate highways. Crashes involving the use of alcohol have shown a rise in the range 20% -28% from the year 2006 to 2012 for all zones.
On the photosphere or the surface of the sun, a sunspot can be described as a region that is temporarily dark and cool compared to its other environs. Galileo is described as the first person to have studied the dark spots in the sun which measures approximately 10, 000 kilometers across and makes them on the order of the earth.
A hammer can be used to do various activities. First, it can be used when building to drive nails into surfaces so as to hold them together. It can also be used to forge metal into different shapes by sculptors when the metal is red hot. Another use is breaking up things into smaller pieces such as stones to pebbles by hitting them on a hard surface
The design for the fuel tank in CVPI failed to meet acceptable engineering standards (Fleddermann, 2011). This is because engineers have a duty to ensure safety for their clients and the general public. Engineers should exercise their professional skills and ethics when discharging their duties
Superpave Binder specifications, as well as the test procedures that support the specifications, are typically the products of Strategic Highway Research Program (SHRP). The program was a research effort that took five years, between 1987 and 1992, and targeted about fifty million US dollars for asphalt research.
A good example is the use of Common sense device in the examination of pollution in the environment. It constitutes sensing devices for examination of the quality of air through Bluetooth communication with mobile phones. These devices measure the quality of air of a large population when setting out in the areas occupied by the population.
Central plant systems result in high efficiencies when properly designed and installed in comparison to other systems. Additionally, cost savings could be achieved by the reduction in small individual systems. Central systems are used for circulating conditioned air to different parts of the building.
The biggest factor that discourages engineers and others from whistleblowing is retaliation. “Organizations offer settings in which problems with potential for catastrophe can slowly ripen and somehow remain unattended to and unexposed even though many people in those settings are aware of the problem.”
The party involved a traditional tea dance. Many people assembled on the dance floor. Others were on the three walkaways suspended on the floors above the dance floor. The disaster occurred at 7:05 pm. The disaster began with the crumbling of the fourth floor. Then it brought down the second walk away as it fell.
The author explains that the advantages of steel construction are vast. First, steel is much lighter than other construction materials like wood, brick, and concrete. Second, it is resilient, it has an excellent strength to weight ratio, meaning it is able to support heavy weights with a low mass proportion.
The narrator went home as usual but a bit early since he had finished his work. Contrary to his expectations, the chief engineer informed him that it was wrong to leave early before the union employees left. Secondly, the narrator casually dismissed the notion of wearing a coat and tie daily to the workplace.
A project whose construction decision received an approval in 1948, the Three Gorges Dam Project, replaced the Great Wall as the largest project. Marred by contentions and controversies, the project would later be a mega undertaking that would stretch the limits of engineering and China’s resources.
The ratings are determined all forms of multihulls on the measurable data. For every component that goes through considerable modification, the builders are responsible for providing the facilities to the building authorities who will check the measurer and verify the dimensions and the equipment. This assists in the determination of the ratings.
Economics of this approach significantly relies on materials as well as applications choices. For instance, suppose the operation designed to commence is simple or if the material set for advancement one can utilize other means then embarking on using other approaches is a justifiable move. This is instead of using ECM, which in that situation may prove to be extremely pricey.