An STC of 45 can be increased to 49 by including ____ insulation.
A. fiberglass
B. wood
C. wool
D. foam
Answer: A
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10. ____________________ are used in applications where it is desirable to permit a motor to reach full speed before load is applied.
Fill in the blank(s) with the appropriate word(s).
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Knife valves are used for _____.
a. waste lines and low-pressure applications b. delicate flow control c. high-pressure applications d. steam systems
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What is the normal way to reduce a fraction??
What will be an ideal response?
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Draw the symbols for a heat exchanger and cooling tower.
Heat exchanger and cooling tower symbols
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