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Q. |
A steam pipe is to be insulated by two insulating materials put over each other. For best results |
A. | better insulation should be put over pipe and better one over it |
B. | inferior insulation should be put over pipe and better one over it |
C. | both may be put in any order |
D. | whether to put inferior OIL over pipe or the better one would depend on steam temperature |
E. | unpredictable. |
Answer» A. better insulation should be put over pipe and better one over it |
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