You are using a radar in which your own ship is shown at the center, and the heading flash always points to 0°. If bearings are measured in relation to the flash, what type of bearings are produced?
A) Relative B) True C) Compass D) Magnetic E)NULL
Soru Kategorisi Güverte
Universal time (UTI) is another name for __________.?
A) sidereal time B) Greenwich mean time C) ephemeris time D) atomic time E)NULL
The wind velocity is higher in the dangerous semicircle of a tropical cyclone because of the __________.?
A) extension of the low pressure ridge B) direction of circulation and pressure gradient C) recurvature effect D) the wind circulation and forward motion of the storm E)NULL
Entering from sea, a daymark on the port side of the channel would be indicated on a chart by a __________.?
A) red triangle with the letter R B) white triangle with the letters RG C) green square with the letter G D) white square with the letters GR E)NULL
What U.S. agency is responsible for NAVAREA warnings?
A) Coast Guard B) National Oceanic and Atmospheric Administration C) National Ocean Service D) National Imagery and Mapping Agency E)NULL
A great circle crosses the equator at 127°W. It will also cross the equator at what other longitude?
A) 127°E B) 53°E C) 27°E D) 27°W E)NULL
You are navigating in pilotage waters using running fixes. The maximum time between fixes should be about __________.?
A) 4 hours B) 1 hour C) 30 minutes D) 5 minutes E)NULL
All straight lines represent great circle tracks on a chart based on a(n) __________.?
A) Mercator projection B) polyconic projection C) orthographic projection D) gnomonic projection E)NULL
You want to transit Hell Gate on 23 July 1983. What is the period of time around the AM (ZD +4) slack before ebb when the current will be less than 0.5 knot?
A) 0939 to 0957 B) 0943 to 0953 C) 0844 to 0852 D) 0348 to 0356 E)NULL
The true wind is from 330°T, speed 6 knots. You want the apparent wind to be 30 knots from 10° on your port bow. To what course and speed must you change?
A) Cn 240°, 28.0 knots B) Cn 270°, 28.0 knots C) Cn 180°, 30.0 knots D) Cn 090°, 32.5 knots E)NULL