更多"All of the following steps are take"的相关试题:
[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
[多项选择]Which of the following correctly describe steps in the OSI data encapsulation process?（）
A. The transport layer divides a data stream into segments and may add reliability and flow control information.
B. The data link layer adds physical source and destination addresses and an FCS to the segment.
C. Packets are created when the network layer encapsulates a frame with source and destination host addresses and protocol-related control information.
D. Packets are created when the network layer adds Layer 3 addresses and control information to a segment.
E. The presentation layer translates bits into voltages for transmission across the physical link.
[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 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 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]Starting air for auxiliary engines may be taken directly from the main reservoirs or through （）.
A. an auxiliary reservoir
B. a controlling air bottle
C. an emergency air compressor
D. a main air compressor
[单项选择]The following options are all the functions of lubricating oil except（）
A. removing heat and deposits
B. neutralizing acidic products
C. lubricating
D. improving combustion efficiency
[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 items is necessary for all waste heat boiler installations, regardless of design or manufacturer? （）
A. Control of evaporation
B. A separate means to prevent feed-water contamination
C. Power circulating pump
D. Super-heater
[单项选择]All of the following constitute special circumstances EXCEPT（）.
A. Three vessels meeting so as to cross each other's course
B. A vessel meeting a vessel that is backing out of a slip
C. An overtaking situation that has reached in extremis
D. A vessel fishing with nets meeting a sailing vessel
[单项选择]All of the following operating characteristics are listed on the name-plates of motors used aboard ship except the（）
A. temperature rise
B. input kilowatts
C. horsepower
D. operating voltage
[单项选择]All of the following information concerning lighted aids to navigation may be read directly from the Light List EXCEPT the（）.
A. location
B. height of light above water
C. luminous range
D. light characteristics
[单项选择]All of the following are recognized distress signals under the Navigation Rules EXCEPT（）.
A. a green star signal
B. orange-colored smoke
C. red flares
D. the repeated raising and lowering of outstretched arms
[单项选择]All of the following records are usually maintained by the watch-standing officers aboard avessel EXCEPT the（）.
A. deck logbook
B. official logbook
C. compass record book
D. chronometer error book
[单项选择]All of the following are associated with cumulonimbus clouds EXCEPT（）.
A. steady rainfall
B. hail storms
C. thunderstorms
D. tornadoes or waterspouts
[单项选择]All the following equipment can be used to identify the position of the vessel in distress except（）.
A. AIS
B. LRIT
C. VDR
D. GPS
[单项选择]All of the following are distress signals under the Rules EXCEPT（）.
A. International Code Signal AA
B. orange-colored smoke
C. red flares
D. the repeated raising and lowering of outstretched arms
