正确答案: A
Ⅰ+Ⅲ
题目:为了检验螺旋桨的螺距,测量时应测出()。Ⅰ.螺旋桨的半径;Ⅱ.桨叶厚度;Ⅲ.各半径截面局部螺距;Ⅳ.各桨叶平均螺距;Ⅴ.螺旋桨总螺距。
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学习资料的答案和解析:
[单选题]Sulzer6RTA84型船用柴油机气缸套最大内径增量为3.6mm,则最大缸径为()。
843.6mm
[单选题]轴系中心线产生同轴度偏差主要是由于()造成。
艉轴承过度磨损
[单选题]由于螺旋桨的()失效会导致船舶剧烈振动。
某一桨叶折断
[单选题]热校正舵杆时,加热温度一般不超过()℃。
550
[单选题]The carbon deposits on the piston crown and in the ring grooves ().
should be scraped
[单选题]With regards to a diesel engine crankcase explosion, the most violent is the()(1) primary explosion(2) secondary explosion
(2) only
[单选题]How many power strokes per crankshaft revolution are there in an eight cylinder, two stroke/cycle diesel engine?()
Eight