【Daily Practice **2】Boiler multiple-choice questions (scores will be given to the top 30.) ）
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The heat loss of typical small boilers should be controlled at around (). A) 0.5–1 percent. B) 1–7 percent. C) 8–10 percent. D) 10–12 percent. B) 1–7 percent.
The heat loss of typical small boilers should be controlled at around (c).
D, 10–12 percent.----------------
B) 1–7 percent! ! ! ! ! ! ! ! !
The heat loss of typical small boilers should be controlled at (D) 10–12 percent. ) left and right.
D, 10--12 percent. D, 10--12 percent. D, 10--12 percent. D, 10--12 percent.
The heat loss of typical small boilers should be controlled at around (10–12% of D)
The heat loss of typical small boilers should be controlled at (B) 1–7 percent. ) left and right. A) 0.5–1 percent. B) 1–7 percent. C) 8–10 percent. D) 10–12 percent.
The heat loss of typical small boilers should be controlled at around (B). A) 0.5–1 percent. B) 1–7 percent. C) 8–10 percent. D) 10–12 percent.