Which of the following is a material used to make insulation?
A. Calsil
B. Wrap
C. Refractories
D. All of the above
A. Incorrect. Insulation can be made from rigid foam, calsil, kaowool, mineral wool, fiberglass, insulation brick, wrap, or refractories.
B. Incorrect. Insulation can be made from rigid foam, calsil, kaowool, mineral wool, fiberglass, insulation brick, wrap, or refractories.
C. Incorrect. Insulation can be made from rigid foam, calsil, kaowool, mineral wool, fiberglass, insulation brick, wrap, or refractories.
D. Correct. Insulation can be made from rigid foam, calsil, kaowool, mineral wool, fiberglass, insulation brick, wrap, or refractories.
You might also like to view...
Find the root of the following number. Round answer to the nearest hundredth as necessary. 
What will be an ideal response?
Answer the following statements true (T) or false (F)
1. Not all cost or all benefits can be simply reduced to monetary terms, when calculating Return On Investment. 2. The decision-making process applies to all individuals, no matter what their position. 3. Money and/or ROI are the only factor to consider when a manager makes the final decision. 4. Things that are within your span of control are things you can directly affect and change.
Multifamily dwellings are seldom built in large developments.
Answer the following statement true (T) or false (F)
Usually an analog signal does not require filtering before DSP occurs
Indicate whether the statement is true or false