A.129'.5
B.131'.6
C.133'.7
D.135'.8
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A.23'
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最新試題
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()。
某輪船速12kn,逆風(fēng)逆流航行,流速1kn,風(fēng)使船減速1kn,0600計(jì)程儀讀數(shù)為120'.0,計(jì)程儀改正率ΔL=+3%,則1h后相對(duì)計(jì)程儀讀數(shù)為()。
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后絕對(duì)計(jì)程儀讀數(shù)L2為()。
某輪在狹水道內(nèi)錨泊,當(dāng)時(shí)水道內(nèi)恒流流速1kn,該輪計(jì)程儀改正率為“0”,則2h后相對(duì)計(jì)程儀讀數(shù)差為()。
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后相對(duì)計(jì)程儀讀數(shù)L2為()。
某船順風(fēng)順流航行,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ΔL=+5%,則該船實(shí)際航程為()。
某輪船速18kn,航行2h后相對(duì)計(jì)程儀讀數(shù)差為34'.0,計(jì)程儀改正率ΔL=0%,已知該輪實(shí)際航程為32nmile,則該輪航行在()中。
有風(fēng)無(wú)流時(shí),如計(jì)程儀改正率ΔL=0%,則相對(duì)計(jì)程儀航程(SL)和實(shí)際航程(SG)之間的關(guān)系為()。
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12kn,頂風(fēng)順流航行,流速2kn,風(fēng)使船減速1kn,0600計(jì)程儀讀數(shù)為100'.0,計(jì)程儀改正率ΔL=+10%,則1h后相對(duì)計(jì)程儀讀數(shù)為()。