Engineering and Construction Essays

The study found out that the recycled aggregate had no effect on the slump value. The strength value of the concrete cube was affected whenever an amount higher than twenty percent was added. The strength of the indirect strength of tension reduced faster when over thirty percent of the aggregate was added.

A line may be a modular line, assembly one or a set of lines with online finishing and packing. In a system design, a line usually includes multiple workstations that have varied work contents. The production time of each one varies depending on the work content of the station, machine capacity, operators’ skills, and work force within the station.

The radar systems also need to be improved in order to take 4 or 5 readings before taking a photo. They can take up to 3 photos a second by using a fast drive motor drive camera system. The system also needs to be improved to the extent that it can determine if the vehicle is a truck, personal, or passenger vehicles. 

Any building that is to be constructed has to use the least cost possible. This has been done effectively by innovating building technologies that will reduce the cost but also be productive. Research has been done constantly so that possible ways of reducing building costs can be discovered and implemented in the building industry.

The barriers created by the above-ground highway had been eliminated and now replaced with a green space which in turn revived the inner-city parts of Boston by significantly improving vehicular traffic and human or pedestrian traffic by vastly simplifying traffic circulation with positive impacts on public transit as well.

They are also significant ways to enhance diversity and promote social inclusion within urban areas. The problem within the current era is the fact that there are fewer affordable homes available, or being constructed, within these urban areas. The past several decades have noted a significant shift in terms of how affordable housing is provided within urban areas.

The 4G Wireless Networks succeeds in the 3G Wireless Networks as standards for mobile communication that defines how airwaves must be applied for transmitting both voice and data information. There are major differences in the ways in which the two standards of transmitting mobile communication function.

And also considering that the orientation for the carbon fiber layers is arranged in a typical 0o, 450, 45o (the opposite angle), 0, 90, 45, 45(the opposite angle)) and for the fiberglass is (0, 45). The safety factor and design measures aim to maximize design stress, which falls below the ultimate tensile stress (UTS).

Liquefaction process begins after acquiring natural the gas from its production field. The natural gas acquired from the production field is subjected to liquefaction process thereby cooling down to -1610C. Natural gas changes its properties after liquefaction process into a colorless, odorless, clear liquid that is neither toxic nor corrosive.

This kind of environment where everything has turned to be dynamic hence created various technological challenges, has increased my interest in this field to find solutions for these problems [1]. I also have a great passion for mathematics and physics, which are the core subjects in mechanical engineering.

As per the requirement of this final product, depending on the shape of the final product, the cast can be made into the same shape. In the multi-process manufacturing part, casting can sometimes be being the first manufacturing process. In both internal and external geometry, metal casting can be used to make parts in the complicated geometry. 

An oscillator is a device that generates electronic signals and the waveforms, which can be sin waveforms or Times Square waveforms. The oscillators help in the conversion of direct current from AC signals from the electronic devices. Some known examples of oscillator signals include radios and televisions signals, and signals from the computer clock (Parton 1998).

An oscillator is a circuit that has the ability to generate oscillating sine waveforms, electronic signals, and periodic signals. Oscillators convert direct current from the source to alternating currents. Electronic devices can be used as oscillators. Examples of signals produced by oscillators include radio signals, computer clock signals, clock circuits, television signals among others.

Structures may be classified based on size, shape or geometry; support system, type of material used and methods used in their analysis and design. When a structure is subjected to external forces, the elements of the structure undergo internal stresses set in them. The internal stresses can be determined by the application of equations of static. 

For the recommended choice of part fabrication at Factory and partly at the site, the project team should consist of the Project Manager, Design Engineer, Supervisor, Engineer, Inspection & Quality Control Engineer. Except for the Project Manager and the Design Engineer, the rest of the team will be stationed at the site.

The system is usually activated by heat from a fire, and the sprinkler heads then discharge water over the fire area. Sprinkler systems are nearly 100% effective. Many sprinkler systems are supervised electrically from a central station, and alarms are transmitted to a fire department whenever the sprinklers operate. 

The said applications can be considered as the fundamental reason for the essentiality of the new technology in the contemporary period. The research that had been conducted focuses on the particular application of the LED and EL which is performance theatre in the field of arts and entertainment.

The accuracy of ADC is vastly affected by a number of errors including quantization error, aperture error, offset error, gain error, and the nonlinearities discussed earlier. Quantization error results from an infinite level analog signal being mapped to a finite number of voltages. Aperture error is a transient effect that introduces errors between the sample and holds modes.

The beginning of Audi was in 1899 when the pioneering engineer August Horch set up his own business following his three-year occupation as head of Carl Benz auto production in Mannheim, Germany. The first car was produced by 1901. In 1909, August Horch left the company that bore his name, Horch, and set up a new business. 

The article titled Australian Cities and Urban Planning in the New Millennium critically examines the change in the spatial structure of the Australian cities. The study has considered the spatial structure of the Australian cities in the early 1960s as a benchmark and reviewed the changes that have occurred from thereon.

To qualify as an innovation, the change must be lasting and must have a positive impact. Innovation could also be defined as finding something of value to society through research that ultimately solves a present or future problem and changes the way one might have previously perceived the problem. 

The author concludes that the field of Engineering have matured and progressed immensely with the passage of years but a downside of the matter is that advancement of engineering has also benefited the ones who prefer war over peace. Weapons of mass destruction have been invented which prove to be nothing but harmful for mankind 

Twitter is the social media networking explosion of the future.  For an electronics engineer who is trying to ensure that his or her company is able to compete in a globalized marketplace, it is important to remember that there are many factors involved in conducting a questionnaire

Most of the surface area is barren indicating previous surface activity. There is little vegetation at the site periphery indicating that portion of the site free from previous activity. The adjacent land houses buildings with industrial activity. A four-level stadium has been envisaged at the site.

The author states that governments have an inclination towards technological advancements or Research and Development to build their information databases, communication networks, broadcasting and track environmental changes to reap economic or financial benefits. The number of active satellites compared to space debris are not socially optimal.

The cultural influences of areoplane travel are numerous.  As people of different lands learn about each other, there is an increasing need to experience their lives and cultures as well, even for a short time.  Whether knowing one can return to his or her own comfort zone in a very short time, or whether knowing about others helps open up one’s eyes, aeroplane travel has made discovery much easier.

Engineering seeks to link the gap between scientific realizations and the commercial uses that can be derived from such discoveries. It, therefore, goes without doubt that in an increasingly dynamic and technological world, advances in engineering continue to be the order of the day. This is achieved by providing solutions for both consumer and commercial applications.

My past work experience, experience and interpersonal skills make be capable of fitting into the job requirement. Together with the special software competence in engineering application, I am capable of achieving the requirements of the job across various cultures as per the job requirement.

It is evident that economies would not survive were, it not for the continuous efforts in the engineering field. The ability to embrace the skills of production and manufacturing make individuals, extremely competitive in the global market. Conclusively, engineers can be termed as very important persons in the society. 

Although common, the resistor can be manufactured in numerous ways. Each technique provides the resistor with its own set of characteristics to fit certain applications. The operating principle behind a resistor is that the component is comprised of a conducting material that has a specific value of resistivity.

The author points out that it’s achieved when an RLC circuit is arranged in series and at a point when the magnitude of inductive reactance and capacitive reactance is equal.This experiment was done with the aim of obtaining the resonant frequency and the half-power frequencies of a series RLC circuit.

engineering is about mantling the rules, obligations, and ethics and hence engineers fall in the complexity of whether they should go with ethics or with the Government who is the sponsor of their projects. Sometimes they are given much tougher responsibility that they stuck in their decisions and not able to differentiate of which decision is right and which is wrong (Bowen, 2009).

An autonomous vehicle or a vehicle that does not have a driver, at other times referred to as a robotic vehicle is a vehicle that has capabilities of steering on its own with no need for any human involvement. These vehicles use innovative technologies such as lasers, lidar and GPS. These technologies assist the vehicle in sensing the surrounding it is situated and run itself on the road.

AED serves as a life-saving device in such cases. The usefulness of AEDs in the treatment of patients of SCA can be estimated from the fact that improved access to the AEDs can result in the saving of up to 40,000 lives annually in the US alone which is equivalent for the breast cancer’s cure (“AED Usage” 2).

Engineers are essential in almost all processes in the utilization and discovery of gas and oil. The achievements in this industry are based on the excellent engineering and innovative technologies that guarantee delivery of successful major projects sustainably and safely. Engineers should in return integrate all the necessary demands related to management.

Composites can be joined in different ways by using mechanical fasteners, adhesive bonding and welding. Welding is applied in thermoplastics and challenges regarding this is therefore not considered. When dealing with mechanical fasteners, bearing, net tension and shear-out are most common possible joint failure modes which may happen in composites;

The flight was a great advancement in aerodynamics, performance and materials. It could fly much faster and higher than the previously existing airlines given its highly pressurized cabin. The first challenge for the design of the airline was its weight. De Havilland Ghost engines lacked the required power to carry the weights.  

In the Hudson River Accident, it was established that the engine failure was caused due to the plane encountering some birds as it climbed higher after its take-off. Analysis of some of the feathers from the crash site has confirmed that the birds that caused the crash were the Canada goose type. These birds are huge and weigh between 8 and 9 pounds each. 

The discussion henceforth focuses on examining the different causes that led to the accident and the active role taken up by the crew members under the immense pressure to safeguard the life of as many on-board travelers as possible. Correspondingly, the character of DC-10 flight training instructor has been considered in this discussion to obtain a critical perspective on the issue.

The LP-GA method has been proposed as the most appropriate way of solving this problem. This method has also been tested and its performance compared to other methods and the results support the method as it performs much better than all the other methods. Through more extensive research, this system can be made more efficient and further improvements can be done on the system.

Engineering solutions can be established with the consideration of the various challenges available in different areas. The design and establishment of the solution require engineering research and measurements on things such as traffic magnitude, soil type, and climate among others. The establishment of a solution to these challenges is attainable.

3D printing relates to technological innovation that involves additive manufacturing. 3D printing entails the process of developing three-dimensional solid products of any shape using digital models. Some of the significant characteristics of 3D printing include accommodating variant complex geometries, supporting diverse materials.

The emergence of other materials couples with the various disadvantages of carbon fiber utilization has made some vehicle manufacturers shift away from the usage of carbon fiber as the primary material for their vehicles. The fundamental disadvantages of carbon present the reasons why many organizations are shifting from the utilization of carbon despite their advantages. Despite the prices of carbon falling, they have still remained relatively high compared to the other materials.

The key purpose of lubricants is to reduce wear and tear on the surfaces that are in relative motion. However, wear and tear cannot be totally eliminated but they can be cut or reduced to some levels that are deemed to be acceptable. Moreover, lubricants have other secondary purposes such as minimizing oxidation in order to prevent rust.  

The rectangular monopole had a corner truncation placed on applied on every side as well as a T - shape slot at the center of the patch. The rectangular antenna was fabricated on its glass epoxy of the di-electric substrate. The properties of the substrate under investigation were the relative permittivity, a coefficient of 4.33, the thickness (1.67 mm).

Subsequent temporary outlets will follow to ensure that we meet the needs of many consumers. Relevant measures to increase our customer base and our arrival and presence known to the people will accompany these outlets. Bay Delight personnel will conduct visits to nearby schools, promoting our delicacies and offering student bonuses weekly for two months.

The horizontal curves are located at 39.918723, -75.429414, 39.919908, -75.442976, and 39.932645, -75.448469. The highlight has been placed on the pavement design, roadside design, and typical cross-sections. Myriads of American roads demand expansion as the population growth has been experienced over years.

We rely on civil engineering every day from supplying energy, clean water to our homes, It is my desire that even as I work hard, I will manage to fulfill this dream and in the future, offer support and guidance for the younger generation. I also hope to be innovative and be able to come up with a structure that generations will remember, leaving behind a legacy.

The Sabino Canyon VTOL UAV is a project aiming to design a small aircraft to be flown down a canyon autonomously, one way, and then back to the base station. The project’s configuration entails a flying wing instead of using the conventional aircraft design. The UAV is a system allowing a short takeoff and with the ability to land with a belly skid.

Geographical Information System applications are computer software that shows digital maps accompanied by tools that you can use to view a map, query for information.GIS helps analyses maps of anything that can be simply represented graphically. Mapped entities help us see everything as it relates to every other thing.