The length of the year with respect to the vernal equinox is the __________.?
A) tropical year B) sidereal year C) anomalistic year D) All of the above E)NULL
A) tropical year B) sidereal year C) anomalistic year D) All of the above E)NULL
A) 2°While the vessel is on an intercardinal heading B) 1°While the vessel is on a compass heading of 000° C) 2° and is constant on all headings D) 1° while the vessel is on a compass heading of 180°…
A) fixed objects on shore B) buoys at a distance C) buoys close by D) All of the above E)NULL
A) sensitivity time control (sea-clutter control) B) receiver gain control C) brilliance control D) fast time constant (differentiator) E)NULL
A) after every major hydrographic survey of the area covered by the chart B) when there are numerous corrections to be made or the corrections are extensive C) when a low-stock situation occurs and minor corrections are made D) every…
A) apparent wind speed only B) true wind speed and true wind direction C) true wind speed only D) apparent wind speed and true wind direction E)NULL
A) One long blast followed by one short blast B) One short blast followed by one long blast C) Two short blasts D) Two long blasts E)NULL
A) It is visible 10 miles. B) Its distinguishing number is “19M”. C) It has a radar reflector. D) None of the above E)NULL
A) the lines of force cross the equator on a 0°-180° alignment B) the quadrantal error is 0° C) there is no vertical component of the Earth’s magnetic field D) the intercardinal headings have less than 1° error E)NULL
A) Davidson Current B) North Pacific Current C) Alaska Current D) California Current E)NULL