A.40',48'
B.36',48'
C.48',40'
D.40',40'
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A.23'
B.25'
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D.30'
A.27'.0
B.30'.0
C.30'.6
D.31'.0
A.132'.6
B.137'.0
C.141'.3
D.145'.7
A.132'.6
B.137'.0
C.141'.3
D.145'.7
A.132'.6
B.137'.0
C.141'.3
D.145'.7
最新試題
某輪順風順流航行,船速18kn,流速2kn,風對船舶航速的影響1kn,計程儀改正率-8%,0400計程儀讀數(shù)L1=100'.0,則2h后絕對計程儀讀數(shù)L2為()。
某輪船速18kn,航行2h后相對計程儀讀數(shù)差為34'.0,計程儀改正率ΔL=0%,已知該輪實際航程為32nmile,則該輪航行在()中。
某輪順風順流航行,船速18kn,流速2kn,風對船舶航速的影響為1kn,計程儀改正率+8%,0400計程儀讀數(shù)L1=100'.0,則2h后相對計程儀讀數(shù)L2為()。
某船頂風順流航行,船速15kn,流速2kn,2h后相對計程儀讀數(shù)差為30'.0,計程儀改正率ΔL=-10%,則該船實際航程為()。
某輪頂流航行,船速15kn,流速2kn,2h后相對計程儀讀數(shù)差為28'.0,計程儀改正率-10%,則該輪對水航程為()。
某輪船速12kn,逆風逆流航行,流速1kn,風使船減速1kn,0600計程儀讀數(shù)為120'.0,計程儀改正率ΔL=+3%,則1h后相對計程儀讀數(shù)為()。
某輪順流航行,船速15kn,流速2kn,2h后相對計程儀讀數(shù)差為28'.0,計程儀改正率-10%,則該輪對水航程為()。
某輪頂風頂流航行,船速18kn,流速2kn,風使船減速1kn,計程儀改正率+8%,0400計程儀讀數(shù)L1=100'.0,則2h后絕對計程儀讀數(shù)L2為()。
某輪順流航行,船速15kn,流速2kn,2h后相對計程儀讀數(shù)差為32'.0,計程儀改正率-10%,則該輪實際航程為()。
某輪順風頂流航行,船速18kn,流速2kn,風對船舶航速的影響1kn,計程儀改正率-8%,0400計程儀讀數(shù)L1=100'.0,則2h后絕對計程儀讀數(shù)L2為()。