Which of the following operations belo

1、Which of the following can an operator

Which of the following can an operator use to shutdown a system into single-user mode?（）Ashutdown -dBshutdown -sCshutdown -mDshutdown -Fr -s 1

2、Which of the following is operated fro

Which of the following is operated from the main engine room console on an automated vessel?（）AFire pump and lube oil pumpBLube oil pump and distilling plantCDistilling plant and shaft alley doorDShaft alley door and fixed CO2 release

3、All of the following operating charact

All of the following operating characteristics are listed on the name-plates of motors used aboard ship except the（）Atemperature riseBinput kilowattsChorsepowerDoperating voltage

4、Which action（s）should the operator of

Which action（s）should the operator of a pedestal crane take if crane control is lost （）.ALet go of both control levers and return to neutral positionBPress the emergency stopCNotify the mate on watchDAll of the above

5、Which of the following operating feat

Which of the following operating features do displacement pumps bear if they are working under no-cavitation condition?（）(1) output is almost d...

6、Which of the following operation will

Which of the following operation will have a direct impact on the rate of wear in a cylinder liner （）Aamount of scavenge air to the cylinderBquality of fuel injectedCviscosity of the lube oilDcompression ratio of the pisto