What are the main advantages and disadvantages of plastic piping in comparison w
ID: 1719095 • Letter: W
Question
What are the main advantages and disadvantages of plastic piping in comparison with steel?
A) Plastic piping can be more economical to install than metal and less corrosion resistant; but plastic is less fragile and requires no extra design attention due to higher rate of thermal expansion.
B) Plastic piping can be more economical to install than metal and more corrosion resistant; but plastic is less fragile and requires no extra design attention due to higher rate of thermal expansion.
C) Plastic piping can be more economical to install than metal and more corrosion resistant; but plastic is more fragile and requires extra design attention due to higher rate of thermal expansion.
D) Plastic piping can be more expensive to install than metal and more corrosion resistant; but plastic is more fragile and requires extra design attention due to higher rate of thermal expansion
A) Plastic piping can be more economical to install than metal and less corrosion resistant; but plastic is less fragile and requires no extra design attention due to higher rate of thermal expansion.
B) Plastic piping can be more economical to install than metal and more corrosion resistant; but plastic is less fragile and requires no extra design attention due to higher rate of thermal expansion.
C) Plastic piping can be more economical to install than metal and more corrosion resistant; but plastic is more fragile and requires extra design attention due to higher rate of thermal expansion.
D) Plastic piping can be more expensive to install than metal and more corrosion resistant; but plastic is more fragile and requires extra design attention due to higher rate of thermal expansion
Explanation / Answer
(c)
Plastic pipes are cheaper and has good resistance characteristics. . Plastic pipes are less fragile , softer and has poor resistance to shocks n blow. The thermal expansion coefficent of plastic pipes are higher than metals. For example at 100 degree F, PVC pipes has thermal expansion coefficent as 3.5inch/100ft, where as carbon steel pipe has 0.75 inch/100ft.
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