更多"A body can only be observed at lowe"的相关试题:
[单项选择]A star is observed at lower transit. The line of position derived from this sight is（）.
A. on the prime vertical
B. a latitude line
C. a longitude line
D. of no special significance
[单项选择]The apparent wind’s speed can be zero only when two conditions are present. One condition is that the true wind（）.
A. must be from dead ahead
B. speed must be zero
C. must be from dead astern
D. must be on the beam
[单项选择]When can routine communications be resumed when radio silence has been imposed?（）
A. After determining that the frequency or channel appears to be no longer in use
B. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C. Routine communications can resume after the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
D. If，in the Master's opinion，communications on that frequency will interfere with emergency communications
[判断题]Only when a maxim under Cooperative Principle is blatantly violated and the hearer knows that it is being violated, do conversational implicatures arise.
[单项选择]Higher compensation may be claimed only when，with the consent of the carrier，the value of the goods declared by the shipper which（）the limits laid down in this clause has been stated in this bill of lading.
A. increases
B. exceeds
C. decreases
D. reduces
[单项选择]When can routine communications be resumed on a frequency or channel on which radio silence has been imposed? （）
A. After determining that the frequency or channel appears to be no longer in use
B. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C. After the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
D. Routine communications can resume if，in the Master's opinion，communications on that frequency or channel will not interfere with emergency communications
[单项选择]When one cylinder has a lower compression pressure and higher exhaust gas temperature than any of the other engine cylinders, which of the conditions listed will indicated?（）
A. Advanced ignition
B. Clogged air intake
C. Leaky exhaust valve
D. High exhaust pressure
[单项选择]Firefighting foam is only effective when the foam（）.
A. penetrates to the bottom of the fire
B. is kept saturated with low-velocity water fog
C. mixes with the burning fuel oil
D. completely covers the top of the burning liquid
[单项选择]When the dew point of the outside air is lower than or equal to the dew point of the air in the cargo hold，you should（）.
A. secure all ventilation
B. shut down the exhaust blowers
C. shut down the intake blowers
D. ventilate the cargo holds
[单项选择]A vessel is overtaking when she can see which light(s) of a vessel ahead?（）
A. Only the stern light of the vessel
B. One sidelight and a masthead light of the vessel
C. Only a sidelight of the vessel
D. The masthead lights of the vessel
[单项选择]When intruded, a territorial animal will only perform some hostile（）to warn off the intruder.
A. behaviors
B. actions
C. signs
D. gestures
[单项选择]When visibility is about 1 nautical mile only, we say that visibility is（）.
A. very
B. good
C. moderate
D. poor
[单项选择]When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）
A. Light List
B. Notice to Mariners
C. On the chart
D. Coast Pilot
[单项选择]Which can be prevented only by segregating two lots of cargo into separate holds? （）
A. Contamination of dry cargo by a wet cargo
B. Contamination of a clean cargo by a dirty cargo
C. Contamination of a food cargo by an odorous cargo
D. Overcarriage，overstowage，and short landing
[单项选择]When order spare part, you can directly fall back on （）
A. the manager
B. your agent
C. the PSCO
D. the master
[单项选择]When making landfall at night，you can determine if a light is a major light or an offshore buoy by（）.
A. the intensity of the light
B. checking the period and characteristics against the Light List
C. the color，because the buoy will have only a red or a green light
D. Any of the above can be used to identify the light
[多项选择]What two choices can you make when redundancy is required from a branch office to a regional office?（）
A. multiple Frame Relay PVCs
B. dualWan links to the regional office
C. dualWan links to another branch office
D. single links - one to the regional office and one to another branch office
[单项选择]The apparent wind can be zero when the true wind is from（）.
A. ahead and equal to the ship's speed
B. astern and equal to the ship's speed
C. ahead and equal to twice the ship's speed
D. astern and equal to twice the ship's speed
[单项选择]If the Shipowner can only show that some part of the damage to the goods was due to a cause within the exception，he must also show how much of the damage is comprised in that part，otherwise he is liable（）.
A. for the part
B. for the whole
C. for the parts of damage not due to causes within the exception
D. for the parts of damage due to causes within the exception
