The arc of an hour circle between the celestial equator and a point on the celestial sphere, measured northward or southward through 90°, is the __________.?
A) altitude B) declination C) latitude D) azimuth angle E)NULL
Arşivler Sorular
When entering a channel from seaward, the numbers on buoys __________.?
A) are the same as their Light List number B) are marked in 6 inch figures with retroreflective material C) increase with the even numbers to starboard D) decrease with the odd numbers to starboard E)NULL
On the Western Rivers, a vessel crossing a river must __________.?
A) only keep out of the way of a power-driven vessel descending the river B) keep out of the way of any vessel descending the river C) keep out of the way of a power-driven vessel ascending or descending the…
You are on course 277°T and take a relative bearing of a lighthouse of 045°. What is the true bearing to the lighthouse?
A) 038° B) 232° C) 315° D) 322° E)NULL
You are in a channel inbound from sea. A daymark used to mark a channel junction when the preferred channel is to starboard will have the shape indicated by what letter in illustration D045NG?
A) A B) B C) C D) D E)NULL
The two most effective generating forces of surface ocean currents are __________.?
A) temperature and salinity differences in the water B) wind and density differences in the water C) water depth and underwater topography D) rotation of the Earth and continental interference E)NULL
A vessel crossing a river on the Western Rivers has the right of way over __________.?
A) vessels ascending the river B) vessels descending the river C) all vessels ascending and descending the river D) None of the above E)NULL
IN REGION A of the IALA Buoyage System, when entering from seaward, the port side of a channel would be marked by a __________.?
A) black can buoy B) red conical buoy C) black conical buoy D) red can buoy E)NULL
The letter H in illustration D006NG represents the __________.?
A) refractive horizon B) geoidal horizon C) celestial horizon D) visible horizon E)NULL
A boundary between two air masses is a(n) __________.?
A) lapse rate B) isobar C) front D) continent E)NULL