Please answer as quickly as possible

Explain your reasoning and Formulate your answers to demonstrate understanding of course concepts and answer the question that is asked! If the answer is numerical, to get credit you must show your work and use units. If the question asks you to estimate a quantity, you must provide explanation of all the

numbers that you use. The estimating of intermediate quantities is part of the exercise.

4. Consider a traffic signal.

(A) If you could choose to use either aluminum, steel, or stainless steel, what

would you choose and why?

(B) What type of metal forming technique would you use to form the traffic signal

case (that houses the lights) and why?

(C) How would you form the traffic signal poles?

(D) If you were making stop signs instead, what metal forming process would you

use?

(E) Would you use the same composition of metal to make the different traffic

signal and sign components? Explain why or why not.