Explain how fibrous loose insulation is made, and describe its properties and applications.
What will be an ideal response?
Fibrous loose insulation is made by blowing a jet of air through molten glass, slag, or rock to form thin fibers that compose a wool-like substance when gathered. Fibrous loose insulation is difficult to work into tight spaces. It is widely used in large areas, such as insulating ceilings, where a sprayed uniform layer can be applied.
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One of the most important by-products of the War of 1812 was
A. a renewed commitment to states' rights. B. a heightened spirit of nationalism. C. a resurgence of the Federalist party. D. increased economic dependence on Europe. E. the subjugation of the Indians.
Irradiation is classified as a food additive by the FDA
Indicate whether the statement is true or false
What is the function of the rack and control sleeves in port-helix PLN systems?
A. To rotate the plungers in unison. B. To hold plungers in place when fuel pressure is removed. C. To rotate the plungers individually. D. To hold the plungers in a static position.
When frequency decreases, capacitive reactance _____
a. increases b. decreases c. stays the same d. may increase or decrease