更多"It is apparent that there was not s"的相关试题:
[单项选择]Apparent altitude is sextant altitude corrected for（）.
A. parallax and personal error
B. inaccuracies in the reading and reference level
C. visibility and magnitude
D. All of the above are correct
[单项选择]Upon underwater detection, there were no apparent defects on the bottom plates, bilge keels,rudder and propeller of the said vessel. This kind of wording usually appeared on（）.
A. ship surveyor's report
B. a ship's certificate
C. a cargo inspection report
D. a dive survey report
[单项选择]Apparent time is based on（）.
A. a fictitious sun moving along the celestial equator
B. the visible sun moving along the ecliptic
C. the Moon's motion in relation to the Sun
D. the movement of the first point of Aries
[单项选择]Apparent wind speed blowing across a vessel under tow can be measured by a(n)（）.
A. barometer
B. wind vane
C. anemometer
D. thermometer
[单项选择]When the wave period and the apparent rolling period are the same（）.
A. synchronous rolling occurs
B. roll period decreases
C. roll period increases
D. roll amplitude is dampened
[单项选择]If the insufficiency of the packing was apparent on reasonable inspection，the Shipowner cannot（）the exception of insufficiency of packing.
A. rely in
B. rely upon
C. rely with
D. rely to
[单项选择]Apparent wind speed blowing across a ship under tow can be measured by a(n)（）.
A. barometer
B. wind vane
C. anemometer
D. thermometer
[单项选择]Upon underwater detection，there were no apparent defects on the bottom plates，bilge keels，rudder and propeller of the said vessel.This kind of wording usually appeared on（）.
A. ship surveyor's report
B. a ship's certificate
C. a cargo inspection report
D. a diver survey report
[单项选择]In working out a local apparent noon sight for your latitude，you subtract the Ho from 90°. The 90°represents the angular distance from（）.
A. the equator to the elevated pole
B. your horizon to your zenith
C. your zenith to the elevated pole
D. the geographical position of the Sun to the elevated pole
[单项选择]It should be apparent that little or nothing is gained by opening a drain at the same time as or after admitting steamThe above sentence probably means （）.
A. There is apparent condensate in piping
B. The steam is not discovered after admitting steam
C. The condensate should be fully loaded in the piping as admitting steam
D. The condensate should be fully drained from the piping while admitting steam
[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]In most cases，the direction of the apparent wind lies between the bow and（）.
A. the direction of the true wind
B. true north
C. the beam on the windward side
D. the beam on the lee side
[单项选择]Charted depth is the（）.
A. vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B. vertical distance from the tidal datum to the ocean bottom
C. average height of water over a specified period of time
D. average height of all low waters at a place
[单项选择]（）will normally provide sufficient information to seaward of fairway buoy or pilot station.
A. Navarea warnings
B. coastal warnings
C. local warnings
D. Meteorological warnings
[单项选择]The SART should have sufficient battery capacity to operate in the stand-by condition for（）hours and should continuously work for（）hours.
A. 120/20
B. 56/18
C. 100/16
D. 96/8
[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]An electronic depth finder operates on the principle that（）.
A. radio signals reflect from a solid surface
B. sound waves travel at a constant speed through water
C. radar signals travel at a constant speed through water
D. pressure increases with depth
[单项选择]To safely anchor a vessel there must be sufficient scope in the anchor cable. Scope is the ratio of（）.
A. weight of cable to weight of vessel
B. weight of cable to weight of anchor
C. length of anchor to depth of water
D. length of cable to depth of water
