Which of the actions listed should be taken by the engineer on watch when the general alarm is sounded continuously for 10 seconds?（）
1、Which of the actions listed should be
Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）ACommence draining that tank as quickly as possibleBSeal off all vents to that tankCActivate the CO2 system to that tankDShut off the steam heating coil
2、Which of the precautions listed should
Which of the precautions listed should be observed when taking on diesel fuel?（）ASecure all lighting to the main deckBProvide a portable fan to blow away fumesCProhibit smoking in the areaDDisplay a black triangle during daylight hour
3、Which of the following actions should
Which of the following actions should be taken if during a routine maintenance inspection of a centrifugal pump, localized scoring on a pump s...
4、Which of the listed conditions can be
Which of the listed conditions can be used to determine if lube oil has been diluted by fuel? （）AViscosity is decreasedBOctane number is alteredCPump speed is decreasedDBlower’s speed is decreased
5、Which of the processes listed would be
Which of the processes listed would be the most satisfactory method to use to lower the humidity of the air being circulated by an air condi...
6、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