更多"Which of the following actions shou"的相关试题:
[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 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 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 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 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 started
B. Main engines should be secured
C. The fire pump should be started
D. The fixed CO2 system should be activated
[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]Which of the following actions are stated in the correct order prior to loading or discharging cargo on a Ro-Ro vessel? （）
A. Lower the stern ramp，raise/open the stern door，turn on ventilation for cargo holds
B. Turn on ventilation for cargo holds，raise/open the stern door，lower the stern ramp
C. Turn on ventilation for cargo holds，lower the stern ramp，raise/open the stern door
D. Raise/open the stern door，lower the stern ramp，turn on ventilation for cargo holds
[单项选择]After abandoning ship which action should be taken IMMEDIATELY upon entering a liferaft?（）
A. Open equipment pack
B. Issue anti-seasickness medicine
C. Cut painter and clear the ship
D. Dry the liferaft floor and inflate
[单项选择]Which of the following precautions must be taken if an electric immersion heater is used to keep the coolant in a diesel engine warm during the time the engine is secured?（）
A. The coolant temperature must be maintained at 180℃
B. The thermostatic bypass valves must be manually opened before the engine is started
C. The pressure cap must be removed while the engine is secured
D. Electrical power to the heater must be secured before the cooling system is drained
[单项选择]Which precaution should be taken when testing a line throwing gun?（）
A. Never remove the line from the rocket
B. Fire it at an angle of approximately 90 degrees to the horizon
C. Wear asbestos gloves
D. All of the above
[单项选择]Which action should be taken when an auxiliary boiler in is operation?（）
A. Clean all electrical connections
B. Lift the relief valves by hand
C. Inspect and clean all solenoid valves
D. Inspect for oil and water leaks
[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 action should be taken on receipt of a GMDSS distress alert（）.
A. Read the display screen and/or printout
B. Silence the alarm
C. Listen for any follow up voice/telex transmission on the appropriate frequency
D. All of the above
[单项选择]Which of the listed precautions should be taken when cleaning the internals of a motor with compressed air?（）
A. Open the machine on both ends so as to allow the air and dust to escape
B. Be certain that the circuit breaker is opened and tagged on the feeder panel
C. Be certain that the air is clean and as dry as possible
D. All of the above
[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 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 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
