What is the purpose of excess combustion air?
A) Excess air improves the over-fire draft.
B) Excess air is added to ensure complete combustion.
C) Excess air is added to increase the combustion temperature.
D) Excess air is added to improve combustion efficiency.
B
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A ____________________ is a male goat castrated when young
Fill in the blank(s) with the appropriate word(s).
The common method for showing pipes where both horizontal and vertical layout is involved is to use __________.
A. solid circuit B. isometric schematics C. power circuit D. plan views
Sketching and aligning the proportional rectangles for a multiview sketch is an important first step.
Answer the following statement true (T) or false (F)
Name a machine tool that is a type of late that is specialized for the automated mass-production of small parts, and used in manufacturing for high-volume, low-cost turned parts.
What will be an ideal response?