Question 2 - The velocity of the wind, its steady direction, and the amount of time it has blown determines a wind driven current's ...
) temperature
) northerly current
) leeway caused by a NE'Ly wind
) course made good to the left of the true course

Question 3 - As you enter a U.S. channel from seaward the numbers on the buoys ...
) increase with the can buoys being even numbered
) increase with the can buoys being odd numbered
) decrease with the can buoys being even numbered
) increase in channels going to the north or west, and decrease in channels going to the south or east

Question 4 - At extended distances from a pair of loran stations, ...
) skywaves should not be used with LORAN-C
) a skywave may be used only when matched to another skywave
) a skywave may be matched to a ground wave
) a skywave may be matched to a ground wave providing the ground wave comes from the master station

Question 5 - The Moon rises earlier on succeeding days when the ...
) retardation effect of the revolution of the Moon is greater than the effect due to change of declination
) effect due to change of declination is larger than that due to revolution
) the revolution effect and the declination effect act in the same direction
) the Moon is on the equator and the revolution effect is at a maximum

Question 6 - What is the major limitation in using the Sight Reduction Tables for Air Navigation Volume I (Pub. No. 249) for star sights?
) More accuracy is needed for celestial observations on board ship than what is tabulated.
) Sights must be made at even time increments to benefit from the tables.
) Only certain stars are included and sights must be limited to those stars.
) Only first magnitude stars are tabulated.

Question 7 - A sidereal day is shorter than a solar day. This difference is due to ...
) irregularities in the daily rotational rate of the Sun
) the space motion of the solar system
) the precession of the equinoxes
) the use of the different reference points

Question 8 - In the celestial equator system of coordinates what is equivalent to the longitude of the Earth system of coordinates?
) Zenith distance
) Azimuth angle
) Declination
) Greenwich hour angle

Question 9 - The altitude at LAN may be observed by starting several minutes in advance and continuing until a maximum altitude occurs. This procedure should not be used ...
) when the declination and latitude are of different names
) when the declination is greater than and the same name as the latitude
) if the vessel is stopped or making bare steerageway
) on a fast vessel on northerly or southerly headings

Question 10 - Early indications of the approach of a hurricane may be all of the following EXCEPT ...
) short confused swells
) gradually increasing white clouds (mare's tails)
) pumping barometer
) continuous fine mist-like rain