An indicator card or pressure-volume diagram, shows graphically the （）
1、（）generally indicates that a gale or s
（）generally indicates that a gale or storm is approaching.AFalling barometric pressureBRising barometric pressureCThe circulations of windsDThe change of wind directio
2、An indicator on the main switchboard s
An indicator on the main switchboard should show （） the emergency battery is in service or not.AthatBwhenCifDwhether
3、An orange and white buoy indicating a
An orange and white buoy indicating a vessel-exclusion area will be marked with what symbol? （）AOpen-faced diamondBDiamond with a crossCCircleDSquare
4、An indication of an overloaded main pr
An indication of an overloaded main propulsion diesel engine is （）Awhite smoke in the exhaustBhigh exhaust gas pyrometer readingsCsparks in the exhaustDblue smoke in the exhaust
5、（）is an indication that the weather is
（）is an indication that the weather is about to clear.ARising cloudsBLowering cloudsCThickening cloudsDScattering cloud
6、An aircraft has indicated that he want
An aircraft has indicated that he wants you to change course and follow him. You cannot comply because of an emergency on board. Which signal...