at times of new and full Moon
when the Earth,Moon,and Sun are lying approximately on the same line
when the Moon is between first quarter and full and between third quarter and new
when the Moon is between new and first quarter and between full and third quarter
第1题:
Above-normal tides near the center of a hurricane maybe caused by the ______.
A.high barometric pressure
B.jet stream
C.storm surge
D.torrential rains
第2题:
As soon as the ship is berthed,you should lower the gangway,stretch a net ______ it,and adjust it to the rise and fall of the tides so that personnel may embark or disembark in safety.
A.over
B.besides
C.near
D.underneath
第3题:
Priming of the tides occurs ______.
A.at times of new and full Moon
B.when the Earth, Moon, and Sun are lying approximately on the same line
C.when the Moon is between first quarter and full and between third quarter and new
D.when the Moon is between new and first quarter and between full and third quarter
第4题:
Tides are superimposed on nontidal rising and falling water levels,caused by ______.
A.freshets
B.floods
C.river flows
D.seismic events
第5题:
______ offers a detailed description of tidal theory and its application to the analysis and prediction of tides and tidal streams.
A.Ocean Passages for the World(NP136)
B.Admiralty Tidal Stream Atlases
C.Admiralty Manual of Tides(NP120)
D.Admiralty Tidal Handbooks(NP122 1-3)
第6题:
The distance from the still water level (corrected for tides and storm surge) to the bottom of the hull of a ship is the ______.
A.air gap
B.freeboard
C.penetration
D.water depth
第7题:
Mean low water is the average height of ______.
A.the surface of the sea
B.high waters and low waters
C.all low waters
D.the lower of the two daily low tides
第8题:
Which of the following statements is correct regarding an oil with a high viscosity index?
A.A large change of viscosity occurs with a minor change in temperature
B.No change in viscosity occurs with any change in temperature
C.Very little change in viscosity occurs with a significant change in temperature
D.The viscosity of the oil increases with an increase in temperature
第9题:
Which statement is TRUE concerning equatorial tides ________.
A.They occur when the Sun is at minimum declination north or south
B.They occur when the Moon is at maximum declination north or south
C.The difference in height between consecutive high or low tides is at a minimum
D.They are used as the basis for the vulgar establishment of the port
第10题:
启动(priming)