单项选择题
Which of the following statements is true concerning the cetane number rating of diesel fuel? （）
A.The cetane number is obtained by comparing the fuel with cetane a colorless liquid hydrocarbon B.The higher the cetane number, the shorter the ignition lag C.The highest cetane number of fuel is 100 D.All of the above
单项选择题 Which of the following statements is true concerning the cetane number of diesel fuel?（）
单项选择题 Fuel oil having a low cetane rating could result in（）
单项选择题 The ignition quality of a fuel oil is an important operational consideration because it（）
