A.27'.0
B.30'.0
C.30'.6
D.31'.0
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A.132'.6
B.137'.0
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A.0'.0
B.+2'.0
C.-2'.0
D.視海區(qū)內(nèi)風(fēng)、流方向而定
A.無(wú)風(fēng)流
B.有風(fēng)無(wú)流
C.有流無(wú)風(fēng)
D.有風(fēng)流
最新試題
某輪頂風(fēng)順流航行,船速18kn,流速2kn,風(fēng)使船減速1kn,計(jì)程儀改正率-8%,0400計(jì)程儀讀數(shù)L1=100'.0,則2h后相對(duì)計(jì)程儀讀數(shù)L2為()。
某輪船速15kn,航行2h后相對(duì)計(jì)程儀讀數(shù)差為30'.0,計(jì)程儀改正率ΔL=0%,已知該輪實(shí)際航程為30nmile,則該輪航行在()中。
某輪頂風(fēng)頂流航行,船速18kn,流速2kn,風(fēng)使船減速1kn,計(jì)程儀改正率-8%,0400計(jì)程儀讀數(shù)L1=100'.0,則2h后相對(duì)計(jì)程儀讀數(shù)L2為()。
某輪順風(fēng)順流航行,船速18kn,流速2kn,風(fēng)對(duì)船舶航速的影響1kn,計(jì)程儀改正率-8%,0400計(jì)程儀讀數(shù)L1=100'.0,則2h后絕對(duì)計(jì)程儀讀數(shù)L2為()。
某船頂流順風(fēng)航行,船速15kn,流速2kn,2h后相對(duì)計(jì)程儀讀數(shù)差為32'.0,計(jì)程儀改正率ΔL=+10%,則該船實(shí)際航程為()。
某輪順風(fēng)頂流航行,船速18kn,流速2kn,風(fēng)對(duì)船舶航速的影響1kn,計(jì)程儀改正率-8%,0400計(jì)程儀讀數(shù)L1=100'.0,則2h后絕對(duì)計(jì)程儀讀數(shù)L2為()。
某輪頂流航行,船速15kn,流速2kn,2h后相對(duì)計(jì)程儀讀數(shù)差為28'.0,計(jì)程儀改正率-10%,則該輪對(duì)水航程為()。
某輪順流航行,船速15kn,流速2kn,2h后相對(duì)計(jì)程儀讀數(shù)差為28'.0,計(jì)程儀改正率-10%,則該輪對(duì)水航程為()。
某船0400起始計(jì)程儀讀數(shù)L1=0'.0,船速10kn,計(jì)程儀改正率ΔL=0%,TC=090°,當(dāng)時(shí)流向090°,流速2kn,0800時(shí)L2=40'.0,該輪實(shí)際航程和相對(duì)計(jì)程儀航程分別為()。
某輪頂流航行,船速15kn,流速2kn,2h后相對(duì)計(jì)程儀讀數(shù)差為32'.0,計(jì)程儀改正率+10%,則該輪對(duì)水航程為()。