【名词&注释】
柴油机(diesel engine)、燃气轮机(gas turbine)、汽油机(gasoline engine)、蒸汽机(steam engine)
[单选题]Any increase in the exhaust back pressure of a four-stroke/cycle diesel enginewill( ).
A. reduce engine horsepower output
B. aid in silencing the exhaust noise
C. increase the mean effective pressure
D. contribute to effective cylinder scavenging
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举一反三：
[单选题]互见中，无论当时情况的局面如何，均须给他船让路和船舶包括：I、对遇局面中的两船；II、两艘帆船同舷受风时的上风船；III、追越中的追越船；IV、操纵能力优于他船的任何船
A. III
B. II、III
C. II、III、IV
D. I、II、III、IV
[单选题]One of the disadvantages of using carbon dioxide to extinguish a fire in an enclosed space is
A. the 'snow' which is sometimes discharged along with the gas is toxic
B. prolonged exposure to high concentrations of CO2 gas causes suffocation
C. rapid dissipation of the CO2 vapor
D. the CO2 gas is lighter than air and a large amount is required to extinguish a fire near the deck
[单选题]以下应绘制成细实线的是( )。Ⅰ.尺寸线;Ⅱ.尺寸界线;Ⅲ.剖面线。
A. Ⅰ+Ⅱ
B. Ⅰ+Ⅲ
C. Ⅱ+Ⅲ
D. Ⅰ～Ⅲ
[单选题]在下列装置中，属于外燃机的是( )Ⅰ.蒸汽机(steam engine);Ⅱ.蒸汽轮机;Ⅲ.柴油机;Ⅳ.汽油机;Ⅴ.燃气轮机。
A. Ⅰ+Ⅱ+Ⅲ
B. Ⅲ+Ⅳ+Ⅴ
C. Ⅰ+Ⅱ+Ⅲ+Ⅳ+Ⅴ
D. Ⅰ+Ⅱ
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