Your vessel is on course 150°T, speed 17 knots. The apparent wind is from 40° off the starboard bow, speed 15 knots. What is the speed of the true wind?
A) 9.0 knots B) 10.2 knots C) 11.0 knots D) 12.0 knots E)NULL
Soru Kategorisi Güverte
The motion of celestial bodies relative to other celestial bodies is known as __________.?
A) space motion B) apparent motion C) diurnal motion D) actual motion E)NULL
When adjusting a magnetic compass for error, a deviation table should be made __________.?
A) before correcting for any deviation B) after correcting for variation C) after adjusting the fore-and-aft and athwartships permanent magnets D) before the quadrantal correctors are placed on the compass E)NULL
An occluded front is caused by a(n) __________.?
A) low pressure area B) high pressure area C) area of calm air D) cold front overtaking a warm front E)NULL
Lighted information markers show __________.?
A) white lights B) green lights C) yellow lights D) red lights E)NULL
In the horizon system of coordinates what is equivalent to the Greenwich hour angle of the celestial equator system?
A) Zenith distance B) Coaltitude C) Altitude D) Azimuth E)NULL
You determine your vessel’s position by taking a range and bearing to a buoy. Your position will be plotted as a(n) __________.?
A) running fix B) fix C) dead-reckoning position D) estimated position E)NULL
A white buoy with an orange rectangle on it is a(n) __________.?
A) junction buoy B) safe water buoy C) informational buoy D) All of the above E)NULL
What is the relative bearing of an object broad on the starboard quarter?
A) 045° B) 090° C) 135° D) 225° E)NULL
In the horizon system of coordinates what is equivalent to the meridian angle of the celestial equator system?
A) Azimuth angle B) Zenith distance C) Colatitude D) Altitude E)NULL