Based upon what you have learned in this chapter and what you have found in other sources, what are the current advantages and disadvantages of using low-carbon steel and graphite-reinforced epoxy as the chassis material for a low-cost automobile with a high fuel efficiency?
What will be an ideal response?
Low carbon steel
Advantages:
1. Low cost of material
2. Low cost of manufacture
3. Known manufacturing processes and cost
4. High strength and resistance to fracture
5. Known design procedures
6. Known response to accidents
Disadvantages
1. High density
Graphite reinforced epoxy
Advantages:
1. High strength
2. Low density
Disadvantages
1. High cost of material and manufacturing
2. Unknown manufacturing procedures
3. Uncertain response to accidents
4. Less resistance to fracture than low carbon steel
5. Less well known design procedures
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A two-shell-eight-tube-pass heat exchanger condenses 3 kg/s of ammonia at 45ºC using 65 kg/s of water at 20ºC. If the ammonia enters as saturated vapor, leaves as saturated liquid, and has a heat of vaporization of 1078 kJ/kg, determine (a) outlet water temperature and (b) heat exchanger effectiveness.
What will be an ideal response?
The ____________________ is a measure of the finest detail that can be seen in an image
Fill in the blank(s) with correct word
Explain why galaxy interactions are far more common than star-star interactions
What will be an ideal response?
Percent of Freshwater
What will be an ideal response?