Project

Abu Dhabi Men’s College

Electrical

Name: Majed Jaafa Amer

ID: H00155005

Section: CEL

Course: ENGL N264

Instructor: Mr. Hedley Butterfield

 

Electrical

Electrical engineering generally deals with electricity, electromagnetism and electronics. This field was unknown until the electric telegraph and electrical power supply came up in the late nineteenth century. Now electrical engineering has expanded its scope in the field of electricity which includes power, electronics, signal processing, control systems and telecommunications. There are many famous scientists: Michael Faraday the founder of electric motor technology, Thomas Edison, who built the first large scale electrical network and Nikola Tesla who designed a long distance electrical transmission network. We are using electricity in many areas. For example, we need electricity for lighting houses, cooking food, heating water and other things. In this report I am going to write about what are the most important changes or developments in the electrical field.

There are many changes or developments in electrical engineering, but I am going to write one change that happened in electrical engineering and two developments that happened in electrical engineering.

Sources of energy

First of all, if we go back five years ago, we will see that the sources of energy were limited. They depended upon oil to get energy. This energy someday will disappear (non-renewable energy) so that electrical engineers do many researches to find an alternative energy (renewable energy). From these researches they find that from the light of the sun, they can get energy which is called solar energy. Also they find that from the power of wind, they can get energy. They built a wind turbine and a rotation of a blade makes the wind turbine produce electricity. Another way we can get energy is from a river by building a dam or a flume. This river falls a high distance and hits the turbine which produces electricity. Finally, scientists find that we can produce electricity from garbage or renewable resources such as vegetation and sugar cane.

Old Devices and New Devices

Electrical engineers use many different devices in their job. For example, motors which are used to change electrical energy to mechanical energy, generators which convert mechanical energy to electrical energy and voltmeters which measure electrical potential in an electric circuit. Many years ago motors and generators were so big, needed a lot of maintenance, were expensive, difficult to handle, needed more time to find a problem and manual control, but nowadays with a new technology motors and generators become small size, easy to maintain; we can control them from far away using PLC (programmable logic controller); they are not expensive, easy to find a problem and easy to handle. For the old voltmeter, it was difficult to use, the range was between 0V – 230V; it was not accurate, not safe and quickly damaged if there was high voltage because there was no fuse inside it, but now a voltmeter has become more accurate because it has a digital number better than an analog voltmeter; it can detect a small amount of volt and high voltage; it is safer because it contains a fuse inside it.

Electric Car

A lot of people drive a car that moves with gasoline. This kind of car is making a lot of pollution, but with new technology there are some cars can be charged like when you charge your laptop. These cars cause less pollution than gasoline cars and are friendly to the environment. A Subaru R1e is an example of an electric car. This car can be charged in your home and go up to 50 miles and the top speed for this car is 62 miles per hour.

Conclusion:-

In conclusion, electrical engineering is one of the most important subjects in the world. Our life has become more comfortable because of it, for example, we can heat water, light our home and cool our room. Electrical engineering has made many useful things to make our life better.

Bibliography:-

ELECTRICALENGINEERINGONLINE.NET (2012).  What is Electrical Engineering?  Retrieved from

http://www.electricalengineeringonline.net/ee-defined

Environmental Business (2006 - 2012). Renewable and Non-renewable Energy Sources Retrieved from

http://www.environbusiness.com/AEEE/eeae.html

Patterson, Walter C (2012). Electric Cars: A Definitive Guide Retrieved from Retrieved from

http://www.hybridcars.com/electric-car

task 6

Portfolio task 6 

Nowadays, many people travel from one place to another. So, they need to change their currency to what the other country uses. People think that if we have a global currency it will be easier to trade money or travel. But I think it’s very difficult to make one currency for the world. So, now I am going to discuss both cases.

Firstly, there are some advantages of having the same currency. The first advantage is that if we have the same currency we can travel to another country without thinking if the other country is expensive. Another good point is that the business between different countries will be easier. For example, if the company wants to trade money it will be easy and fast. The final advantage is that you can buy items from other countries easily. For instance, if we buy from another country we don’t have to worry about the exchange rate and pricing.

Although there are some advantages there are also some disadvantages. The first disadvantage is the different economic states. For example, some countries have very strong economies so they will lose. Another point is that most countries will not accept the idea because they have a good economy. The last point is that I think the economy will be weak in all countries.

In conclusion, I think having a global currency is not a good idea because some countries have a high economy, and some don’t.     

task 5

Portfolio task 5 

 Two figures are shown. The first, line graph, shows the number of visits to Australia by overseas residents from 1975 to 2005.  The second table shows the number of visitors to Australia from other countries. This report will analyze the overall trend.

    Firstly, the overall trend for the first line graph is that the number of visitors increased to over 30 million from 1975 to 2005. For example, in 1975 the number of visitors was nearly 9 million and become 16 million in 1985. From 1985 to 1995 a huge increase saw the number of visitors increase by 9 million to become 24 million. In 2005 the number of visitors increased and became 31 million visitors.

    The second table shows the number of visitors from other countries in 1975 and 2005. The overall trend is Japan had the largest number of visitors. For example, the number of visitors in 1975 was 3.3million and it dramatically increased in 2005 and become 12 million. The second highest visitors were from South Korea which is 2.5 million in 1975 and 9.1 million in 2005, followed by Europe which in 1975 was 1.1, million then 4.5 million in 2005. The lowest number of visitors was from Britain, the USA and China.

    In conclusion, we notice that the number of visitors in Australia was increasing, and most visitors came from Japan.        

task 4

Portfolio task 4

   Nowadays, many people think that we can raise our children’s knowledge by encouraging competition. On the other hand, some people think that to make them cooperate is better because that will help them in their job. I think that both of them are very important in our life and education. So, now I am going to write my opinion of both skills.

    First of all, competition is very important in children because it encourages them to learn more. For example, if the child feels that some student is better than him he will compete to be better than him. Another thing is competition makes our children achieve their goals. If the children are competitive they will study and try hard to achieve their goals. Another advantage is that it makes them do better by increasing self-confidence and not depending on other people. The last thing that competition is important in sports because it will make them train hard to be in the first team.

     Although there are good points in competition there also some goods points in cooperation. The first thing is that by cooperation you can get some help from your friends to achieve your goals. Another advantage is that it will help you in your job. For example, some jobs need a team or group to do them so you have to cooperate. The last thing is that cooperation will make the job easy because you can share your job with others and complete it so fast.

     In conclusion, I think that both skills are important because both skills help you to achieve your goals and learn more. The will help you in your job.         

task 3

Portfolio task 3 

       Nowadays, many people care about their health a lot. Some people think that the best way to have a healthy life is by a balanced diet or eating balanced meals. I agree that having a balanced diet or eating balanced meals is the key to a healthy life. So, now I am going write my point of view.

       First, having a balanced diet is good for our health. For example, we have to know how much fat we eat each day because to eat a lot of fats causes obesity and destroys our health. Another good point is that if we do a balanced diet that will help us because we will be healthy and free from the obesity. The third way to have good health is by doing exercise. For example, doing some walking everyday will keep us from disease like heart disease.

     There are some other points that make us healthy. The first is that we have to avoid smoking because there is no point in having a balanced diet if we smoke. Another point is living in a quiet place or city. For example, living in a quiet city makes our minds clear while living in noisy places may cause some health problem.

    In conclusion, I think having a balanced diet is a good way to have a healthy life but also there are some points we have to follow to have good health like exercise.

Portfolio task 2

Two figures are shown. The first bar chart shows information about the reason for study according to the age of the student. The second bar chart shows the employer support by age group. This report will analyze the important information.

Firstly, the overall trend for the first bar chart is that students under 39 study to improve their knowledge for the career. For example, for students under 26 the percentage is 80; for students from 26-29 the percentage is 70 and from 30-39 it is 58%. For students over 49, they study for interest. The exception is those students from 40-49, where career and interest are the same, about 40%.

The second bar chart shows the employer support by age. The overall trend is that the employers support the students under 26 more which is 63%, while they support the students from 26-29 51%. The lowest employer support is for students from 30 -39, which is 32%. The percentage for 40-49 is 39% and 45% for students over 49.

In conclusion, we notice that students under 26 study for their career while students over 49 study for interest. The employers support students under 26 more than the others.

task 1

Portfolio task 1

    This table provides information about the sales at a small restaurant in a downtown American business district. These sales are from one week of October 7th-13th. This report will analyze the important trends.

    The overall trend for this table is that the sales for the dinner are much more than sales for the lunch. For example, the total sale at lunch time is $14,270 while the total sales for dinner were $21,968. We can see that on Friday the sales are the highest in the week. For the lunch the sale is $2,500 and $4,350 for the dinner. The lowest sales in the week are on Saturday. They took $1,950 for lunch and $2,900 at dinner time. On Monday to Thursday the sales for lunch were approximately the same. Dinner sales also didn’t vary much.

     All in all, the overall picture is that the sales for lunch are lower than dinner sales in the week.