問題詳情

39.High exhaust temperature and black smoke exhausting from an auxiliary diesel engine can becaused by .
(A) engine overload
(B)low combustion temperature
(C)plugged fuel nozzle holes
(D)excessive compression pressure

參考答案

答案:A
難度:適中0.555556
統計:A(5),B(1),C(2),D(0),E(0)

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