Sidereal time is NOT used __________.?
A) as the basis for star charts B) to enter a star finder C) in sight reduction using Pub 249 D) in sight reductions of planet observations E)NULL
Arşivler Sorular
The dangerous semicircle of a typhoon in the Southern Hemisphere is that area __________.?
A) measured from due south clockwise 180° B) measured from due south counterclockwise 180° C) to the left of the storm’s track D) ahead of the typhoon measured from the storm’s track to 90° on each side E)NULL
The subregions of the United States Gulf and East Coasts are numbered 11, 12 and 13 within the chart numbering system. Which chart number indicates a chart for either the Gulf or East Coast?
A) 21214 B) 11314 C) 14313 D) 14114 E)NULL
All of the following can be found on a Pilot Chart EXCEPT information concerning the __________.?
A) percentage of frequency of wave heights B) percentage of poor visibility conditions C) sea surface temperatures D) amounts of precipitation E)NULL
Chart correction information is NOT disseminated through the __________.?
A) Summary of Corrections B) Local Notice to Mariners C) Daily Memorandum D) Chart Correction Card E)NULL
Relative humidity is the percentage of water vapor that is in the air as compared to the maximum amount it can hold at __________.?
A) a specific barometric pressure B) a specific temperature C) a specific wind speed D) any time E)NULL
Which nautical charts are intended for coastwise navigation outside of outlying reefs and shoals?
A) Approach charts B) General charts C) Sailing charts D) Coast charts E)NULL
The quadrantal correction to be applied to an RDF bearing is determined __________.?
A) from Bowditch Vol. II B) from a table on board your ship C) by requesting the calibration station to provide the information after the RDF is calibrated D) by comparing the true and relative bearings of the transmitter E)NULL
In low latitudes, a first quarter Moon will always rise at about __________.?
A) sunrise B) 1200 LMT C) sunset D) 2400 LMT E)NULL
A marine sextant has the index arm set at zero and the reflected image of the horizon forms a continuous line with the actual image. When the sextant is rotated about the line of sight the images separate. The sextant has __________.?
A) error of perpendicularity B) side error C) prismatic error D) centering error E)NULL