What is the purpose of the refractory?
What will be an ideal response?
The refractory reflects and concentrates heat in the combustion area of the heat exchanger to improve combustion efficiency.
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What are the essential differences between stucco applied on a stud wall and that applied on a CMU wall?
What will be an ideal response?
While having a discussion, Technician A says that as the temperature of the engine and air under the hood increases, the evaporation rate of the fuel increases. Technician B says that with the engine running, fresh fuel is always coming into the float bowl. Who is correct?
A. A only B. B only C. Both A and B D. Neither A nor B
The recommended diameter of the inductive proximity sensor head is twice the width of the target.
Answer the following statement true (T) or false (F)
A side of a house measures 10 feet by 15 feet. There is one window which measures 3 feet by 4 feet. The wall is a wood frame with siding and 3 1/2 inch insulation + 1 inch polystyrene sheathing (R-16). The window is single pane plus storm window. Find the heat load for the entire side of the house for a 70° F design temperature difference.
Fill in the blank(s) with the appropriate word(s).