2. The 4 processes of engineering cannot exist on their own. For example Laptops can show connections between the 4 concepts. The computer is the machine. It works through the use of several different networks, including Internet, bluetooth, and wifi networks. In between the network and the computer, signal waves undergo a process in which they are converted into data that can be read by the computer and converted into Internet. Without the processes, networks, and structures around it, laptops, or the machine would be useless.
3. Equations are developed as the answer to a question. It seems that are formulated through a series of trial and error. The key formula to understand the iron arch bridge, written as, H = qL2 / 8d, is a good example.
4. A suspension bridge, such as the famous Golden Gate Bridge in San Francisco, can span a longer distance than an arch bridge because of the towers holding the deck. The more towers, the the longer the deck. On the other hand, in an arch bridge, the arch holds most of the weight. While this allows it to be longer than many bridges, a suspension bridge can still be longer. Additionally, the two bridges are generally made of different materials. An arch bridge is often made of concrete or steel, while suspension bridges are usually made out of lighter materials and can even be made with wood.
6. 100 watts of power and if the voltage is doubled to 200 volts the power will then be 400 watts.
7.
a. 9 atoms of carbon coke are required to convert 6 molecules of iron ore to iron.
b. They are both bi-products of the process of changing iron ore into iron.
Chapter 2
1.
a. Watt: 7.1x8x907.9x32/33000= 50.01 Hp
b. Newcomen: 7.81x7x1,810x12/33000= 35.98 Hp
% Difference: 50.01-35.98/(50.01+35.98)/2 =14.03/43 x100=32.63 % c. Watt’s major innovation he used in his engine was a condenser. This is reflected in our equation by the variable letter “N”. The Newcomen engine had 12 strokes/minute where as