如图所示,管路等径,定态流动时,忽略机械能损失,系统各截面压强由低到高排序正确的是()
如图所示,管路等径,定态流动时,忽略机械能损失,系统各截面压强由低到高排序正确的是()
A.3-3<4-4<1-1<2-2
B.1-1<2-2<3-3<4-4
C.4-4<3-3<2-2<1-1
D.3-3<1-1<4-4<2-2
正确答案:3-3<4-4<1-1<2-2
如图所示,管路等径,定态流动时,忽略机械能损失,系统各截面压强由低到高排序正确的是()
A.3-3<4-4<1-1<2-2
B.1-1<2-2<3-3<4-4
C.4-4<3-3<2-2<1-1
D.3-3<1-1<4-4<2-2
正确答案:3-3<4-4<1-1<2-2
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