The Consol navigation system，used in Russian and Northern European waters，can be used（）.
1、In a central cooling system, used in s
In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.Afresh waterBsea waterCcooling oilDemulsio
2、In a hydraulic system, （） are used to
In a hydraulic system, （） are used to protect the system from over pressure.Astop valvesBcheck valvesCsafety valvesDreducing valve
3、In a central cooling system, used in s
In a central cooling system, used in some modem ships, sea water is supplied to cool （）which will circulate to other individual cooler, greatly reducing the corrosion problems.Amain bearingsBsea waterCcooling oilDlower temperature fresh water
4、A vessel navigate in areas near the te
A vessel navigate in areas near the termination of traffic separation schemes shall do（）with particular caution.AitBthatCthisDso
5、In the navigational triangle，the angle
In the navigational triangle，the angle at the elevated pole is the（）.Ameridian angleBaltitudeCright ascensionDazimuth angle
6、When navigating in thick fog with the
When navigating in thick fog with the radar on，you should（）.Astation the look-out in the wheelhouse to keep a continuous watch on the radarB...