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【单选题】
船舶推进轴系中将螺旋桨的轴向力传递给船体的部件是()。
A.
尾轴承
B.
推力轴承
C.
主轴承
D.
中间轴承
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举报参考答案：
举一反三
【单选题】下列对派生轴向力描述正确的是?
A.
正装时派生轴向力由背指向面；反装时派生轴向力由面指向背
B.
正装时派生轴向力由面指向背；反装时派生轴向力由背指向面
C.
无论正装、反装，派生轴向力总是由背指向面
D.
无论正装、反装，派生轴向力总是由面指向背
【单选题】螺旋桨推力功率THP为()。
A.
船舶主机发出的功率与传递效率的乘积
B.
螺旋桨发出的推力与螺旋桨进速(对水)的乘积
C.
螺旋業发出的推力与船速(对水)的乘积
D.
船舶阻力与船速的乘积
【单选题】Amphibious vehicles, those that can move on both land and water, have been in use for a number of years, but while most of them were fairly fast on land, they moved quite slowly when they were functio...
A.
the sidewall ACV
B.
Mountbatten Class hovercraft
C.
Cockerell’s ACV
D.
Sedam N500
【单选题】Amphibious vehicles, those that can move on both land and water, have been in use for a number of years, but while most of them were fairly fast on land, they moved quite slowly when they were functio...
A.
are moved forward by propellers
B.
travel on a cushion of air
C.
are lifted up by a flexible rubber "skirt"
D.
move faster on land than on water
【单选题】螺旋桨沉深横向力产生的原因包括（）。
A.
受伴流影响导致螺旋桨上下桨叶转力不同
B.
受伴流和螺旋桨上桨叶所处水深的影响
C.
表层水静压力的降低导致螺旋桨上下桨叶转力不同
D.
螺旋桨上桨叶所处水层吸入空气、螺旋桨上下桨叶转力上大下小
相关题目：
【单选题】下列对派生轴向力描述正确的是?
A.
正装时派生轴向力由背指向面；反装时派生轴向力由面指向背
B.
正装时派生轴向力由面指向背；反装时派生轴向力由背指向面
C.
无论正装、反装，派生轴向力总是由背指向面
D.
无论正装、反装，派生轴向力总是由面指向背
【单选题】螺旋桨推力功率THP为()。
A.
船舶主机发出的功率与传递效率的乘积
B.
螺旋桨发出的推力与螺旋桨进速(对水)的乘积
C.
螺旋業发出的推力与船速(对水)的乘积
D.
船舶阻力与船速的乘积
【单选题】Amphibious vehicles, those that can move on both land and water, have been in use for a number of years, but while most of them were fairly fast on land, they moved quite slowly when they were functio...
A.
the sidewall ACV
B.
Mountbatten Class hovercraft
C.
Cockerell’s ACV
D.
Sedam N500
【单选题】Amphibious vehicles, those that can move on both land and water, have been in use for a number of years, but while most of them were fairly fast on land, they moved quite slowly when they were functio...
A.
are moved forward by propellers
B.
travel on a cushion of air
C.
are lifted up by a flexible rubber "skirt"
D.
move faster on land than on water
【单选题】螺旋桨沉深横向力产生的原因包括（）。
A.
受伴流影响导致螺旋桨上下桨叶转力不同
B.
受伴流和螺旋桨上桨叶所处水深的影响
C.
表层水静压力的降低导致螺旋桨上下桨叶转力不同
D.
螺旋桨上桨叶所处水层吸入空气、螺旋桨上下桨叶转力上大下小
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