How does the presence of 7 to 9 percent CO2 in flue gas reflect heating unit performance?
A) It indicates a lack of efficiency. B) It indicates that the unit is running efficiently.
C) It indicates a possible gas leak. D) It indicates the level of CO2 is neutral.
B
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What will be an ideal response?
El componente etiquetado con el número 4 en la Figura 1 es un:
a. juego de sello de extremo. b. juego de empalme. c. juego de conexión de energía. d. juego T.
The labor used in a manufacturing process is a physical resource
Indicate whether the statement is true or false.
A wooden planter is shown. The top section is in the shape of a prism with a square base. The bottom section is in the shape of a frustum of a pyramid with square bases. Compute the number of cubic feet of soil that can be held by the planter when full. Disregard the thickness of the lumber. Round the answer to 3 significant digits.
Fill in the blank(s) with the appropriate word(s).