32. There are three essential elements involved in producing fire, which one is not involved? (A) Heat (B) Nitrogen (C) Oxygen (D) Fuel

32. There are three essential elements involved in producing fire, which one is not involved?
(A) Heat
(B) Nitrogen
(C) Oxygen
(D) Fuel

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統計： A(3), B(15), C(7), D(8), E(0) #3215946

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B1 · 2025/10/26

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1. 題目解析本題考查的是火的基本元素...

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37. Which one of instructions for precautions on operation which described in the working manual is incorrect? (A) Do not stop the engine simultaneously with load shut off. (B) Strive for safety, don’t maintain a close contact with the respective parties concerned. (C) Except in case of emergency, keep running the engine without load after load shut off. (D) Do not open the side cover of crankcase for at least 10 minutes after having stopped the engine.

32. There are three essential elements involved in producing fire, which one is not involved?
(A) Heat
(B) Nitrogen
(C) Oxygen
(D) Fuel

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