更多"Which of the following should be th"的相关试题:
[单项选择]Which step should normally be taken FIRST by those who have boarded a liferaft in an emergency?（）
A. Ration food and water supplies
B. Take anti-seasickness pills，if available
C. Determine position and closest point of land
D. Check pyrotechnic supplies
[单项选择]When possible，what should be the FIRST step in combating a fire on deck resulting from a cargo overflow or a leaking cargo line?（）
A. Blanket the cargo spill with foam
B. Prevent the spread of fire with a foam dam
C. Apply CO2 on burning fuel at its source
D. Shut off the transfer of cargo
[单项选择]Which of the following should not be paid attetion to as to accommodation for seafarers?（）
A. The size of rooms and other accommodation spaces
B. communication
C. Heating and ventilation
D. Noise and vibration and other ambient factors
[单项选择]Which of the following should always be checked prior to starting a diesel engine?（）
A. Air filters
B. Fuel oil strainers
C. Crank case oil level
D. Pyrometer readings
[单项选择]Which of the following should be recorded in Oil Record Book Part I (machinery space operation) ?（）
A. Non automatic discharge overboard of machinery space bilge water
B. Automatic discharge overboard of machinery space bilge water
C. A and B
D. Neither A nor B
[单项选择]Which of the following relationships should occur between the temperature developed in a combustion space, and the compression ratio of the engine?（）
A. Higher compression ratios create higher temperature
B. Higher temperatures create higher compression ratios
C. low temperatures create higher compression ratios
D. Higher compression ratios create low temperatures
[单项选择]Which of the following precautions should always be carried out in dry dock?（）
A. Liquids should never be transferred between tanks without consulting the dock master
B. If sea valves have been disassembled, all bonnets must be checked for leakage when the ship is re-floated
C. Before re-floating, all sea chest strainers should be verified as having been replaced
D. All of the above
[单项选择]Which of the following procedures should be carried out when a large, low-speed, diesel engine is operated with one cylinder secured?（）
A. Lubrication to the defective cylinder should be increased
B. Cooling water temperature to the engine should be increased
C. Only the turbocharger speed should be reduced
D. Engine speed should be reduced
[单项选择]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 window
B. Inspect and clean all solenoid valves
C. lift the safety valves by hand
D. Inspect for oil or water leaks
[单项选择]Which of the following operating procedures should be carried out immediately after any diesel engine is started?（）
A. Take all exhaust temperature reading
B. Check the sump oil level
C. Verify proper lube oil pressure
D. All of the above
[单项选择]Which of the following steps should normally be taken first by those who have boarded a liferaft in an emergency situation?（）
A. Ration food and water supplies
B. Search for survivors
C. Determine position and closest point of land
D. Check pyrotechnic supplies
[单项选择]Which of the following actions should be taken if during a routine maintenance inspection of a centrifugal pump, localized scoring on a pump shaft sleeve is detected?（）
A. Correct the cause of the scoring and repair the sleeve or replace with a new one
B. Reassemble the unit and provide more water leak off for proper lubrication
C. Check for parallel alignment of the sleeve radial faces to the sleeve bores
D. Reassemble the unit and adjust the governor to obtain a slower speed
[单项选择]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 filter
B. Soak the dirty filter in kerosene only
C. Blow out the air inlet with compressed air
D. Cover the air inlet after removing the filter
[单项选择]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
[单项选择]Which step should be taken，if possible，when the vessel must be abandoned because of a distress situation（）.
A. Alert the Coast Guard by using the survival craft's portable INMARSAT unit
B. Program the SART and EPIRB to transmit the vessel's location and situation
C. Place the SART and EPIRB in the“ON”position and secure them to the survival craft
D. No additional steps are needed as the SART and EPIRB will both automatically float free and operate properly
[单项选择]Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?（）
A. Commence draining that tank as quickly as possible
B. Seal off all vents to that tank
C. Activate the CO2 system to that tank
D. Shut off the steam heating coils
[单项选择]Which of the following element(s) should be taken into account in the preparation of the “Cargo Securing Manual”? （）
A. Duration of the voyage
B. Types of cargo units and vehicles to be carried
C. Weight of cargo units and vehicles
D. All of the above
[单项选择]The first step you would take in helping an unconscious victim who is not breathing is（）
A. stop bleeding
B. open airway
C. mouth-to-mouth respiration
D. call for help
