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

question 26

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 $1.2 \times 10^{ - 5} K ^ { - 1 }$ . 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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Definitions:

Direct Labor

The payment for labor of employees directly involved in the generation of goods or the provision of services.

Equivalent Units

A concept used in cost accounting to convert the amount of work done on partially complete goods into a number of fully complete units.

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The raw materials that are directly traceable to the production of goods or services.

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