A .32'
B .34'
C .24'
D .30'
[单选题]某船顶风顺流航行,船速15kn,流速2kn,2h后相对计程仪读数差为30'.0,计程仪改正率ΔL=-10%,则该船实际航程为()。A .27'.0B .30'.0C .30'.6D .31'.0
[单选题]某轮顺流航行,船速15kn,流速2kn,2h后相对计程仪读数差为32'.0,计程仪改正率-10%,则该轮实际航程为()。A .28'.8B .32'.8C .24'.8D .35'.2
[单选题]某轮顺流航行,船速15kn,流速2kn,2h后相对计程仪读数差为28'.0,计程仪改正率-10%,则该轮对水航程为()。A .30'.8B .34'.8C .26'.8D .25'.2
[单选题]某船顺风顺流航行,船速15kn,流速2kn,2h后相对计程仪读数差为32'.0,计程仪改正率ΔL=+5%,则该船实际航程为()。A .33'.6B .36'.0C .37'.6D .37'.8
[单选题]某轮船速15kn,航行2h后相对计程仪读数差为28'.0,计程仪改正率ΔL=0%,已知该轮实际航程为30nmile,则该轮航行在()中。A .无风无流B .顶风顺流C .顶流顺风D .顶风顶流
[单选题]某轮船速15kn,航行2h后相对计程仪读数差为32'.0,计程仪改正率ΔL=0%,已知该轮实际航程为30nmile,则该轮航行在()中。A .无风无流B .顶风顺流C .顶流顺风D .顶风顶流
[单选题]某轮船速15kn,航行2h后相对计程仪读数差为30'.0,计程仪改正率ΔL=0%,已知该轮实际航程为30nmile,则该轮航行在()中。A .无风流B .有风无流C .有流无风D .有风流
[单选题]某轮顶流航行,船速15kn,流速2kn,2h后相对计程仪读数差为32'.0,计程仪改正率-10%,则该轮实际航程为()。A .28'.8B .32'.8C .24'.8D .35'.2
[单选题]某轮顶流航行,船速15kn,流速2kn,2h后相对计程仪读数差为28'.0,计程仪改正率-10%,则该轮对水航程为()。A .25'.2B .29'.2C .21'.2D .30'.8
[单选题]某船顶流顺风航行,船速15kn,流速2kn,2h后相对计程仪读数差为32'.0,计程仪改正率ΔL=+10%,则该船实际航程为()。A .30'.0B .30'.8C .31'.2D .35'.2