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单选题
Which of the following actions should be taken by the engine room watch when the general alarm is sounded continuously?（）
A
The fire pump should be started
B
The boiler rims should be secured
C
The fixed CO2 system should be initiated into action
D
The engine room ventilation should be secured
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单选题If a crankcase explosion has occurred in a diesel engine, and the crankcase remains intact, which of following precautions should be observed?（）A
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考题
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单选题Which of the following is false?（）A
preparation for stand-by should be organized by engine roomB
engine trails should be agreed with bridge, and then do itC
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单选题Which of the following actions should normally be taken during each watch when the auxiliary boilers is in operation?（）A
clean the flame scanner photocell windowB
Inspect and clean all solenoid valvesC
lift the safety valves by handD
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单选题If you observe any situation which presents a safety or pollution hazard during fuel transfer operations, which of the following actions should be taken FIRST?（）A
Close the valves at the transfer manifoldB
Notify the person in charge of the shore facilityC
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单选题Which of the following problems should be taken when cleaning the air filter on a diesel engine equipped with a turbocharger?（）A
Reduce engine speed to idle before removing the filterB
Soak the dirty filter in kerosene onlyC
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Cover the air inlet after removing the filter
考题
单选题Which of the following should always be checked prior to starting a diesel engine?（）A
Air filtersB
Fuel oil strainersC
Crank case oil levelD
Pyrometer readings
考题
单选题Which of the actions listed should be taken by the engineer on watch when the general alarm is sounded continuously for 10 seconds?（）A
Engine room ventilation should be startedB
Main engines should be securedC
The fire pump should be startedD
The fixed CO2 system should be activated
考题
单选题If you are guilty of failure to properly perform your duties as Operator of Uninspected Towing Vessels，which of the following actions may NOT be taken? （）A
Issuance of a letter of warningB
Suspension of your licenseC
Revocation of your licenseD
A fine placed against your license
考题
单选题If a crankcase explosion occurs in a diesel engine, which of the listed actions should be taken?（）A
Open the crankcase immediately to check for damageB
Apply fire fighting water through the crankcase breatherC
Allow the engine to cool before opening the crankcaseD
Assume that there is no damage to the crankshaft
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