单项选择题
What is an advantage of a steam turbine over a diesel for the main propulsion?（）
A.Faster response from ahead to astern B.Less fuel consumption C.Cheaper initial installation cost D.Less weight per unit of horsepower
单项选择题 What does a pyrometer measure on a diesel engine? （）
单项选择题 What condition will result in the automatic shutdown of a diesel engine? （）
单项选择题 Vessels required to be equipped with an approved backfire flame arrester are（）.
