A Steel Pipe 36 $15 ^ { \circ } \mathrm { C }$

question 142

Multiple Choice

A steel pipe 36.0 m long, installed when the temperature was $15 ^ { \circ } \mathrm { C }$ is used to transport superheated steam at a temperature of $155 ^ { \circ } \mathrm { C }$ Steel's coefficient of linear expansion is $1.2 \times 10 ^ { - 5 } \mathrm {~K} ^ { - 1 }$ . The pipe is allowed to expand freely when the steam is transported. What is the increase in the length of the pipe when it is used with the superheated steam?

• A)60 mm
• B)57 mm
• C)54 mm
• D)64 mm
• E)67 mm

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