The velocity of the wind, its steady direction, and the amount of time it has blown determines a wind driven current’s __________.?
A) temperature B) density C) deflection D) speed E)NULL
Arşivler Sorular
What will be the velocity of the tidal current 4.5 miles east of Smith Point, VA, at 0630 DST (ZD +4) on 6 May 1983?
A) 0.3 knot B) 0.5 knot C) 0.7 knot D) 1.0 knot E)NULL
A latitude line will be obtained by observing a body __________.?
A) on the prime vertical B) on the celestial horizon C) at lower transit D) on the Greenwich meridian E)NULL
A daymark used to indicate the port side of the channel when approaching from seaward is indicated by what letter in illustration D045NG?
A) A B) B C) C D) D E)NULL
In many areas “atoll” clouds (clouds of vertical development) are produced over small islands. These are the result of __________.?
A) rising air currents produced by the warm islands B) warm air from the sea rising over higher land areas C) cool land air mixing with warm sea air D) descending air over the islands E)NULL
The luminous range of a light takes into account the __________.?
A) glare from background lighting B) existing visibility conditions C) elevation of the light D) observer’s height of eye E)NULL
Which type of cloud is among the most dependable for giving an indication of an approaching weather system?
A) Cumulus B) Altostratus C) Cumulostratus D) Nimbus E)NULL
While navigating in fog off a coastline of steep cliffs, you hear the echo of the ships fog horn 2 seconds after the signal was sounded. What is the distance to the shore?
A) 360 yards B) 320 yards C) 280 yards D) 140 yards E)NULL
On a working copy of a weather map, a stationary front is represented by which color line?
A) Red B) Blue C) Alternating red and blue D) Purple E)NULL
The spin axis of a gyroscope tends to remain fixed in space in the direction in which it is started. How does this gyroscope become north seeking so that it can be used as a compass?
A) By mechanically or electrically applying forces to precess the gyroscope B) By starting the compass with the spin axis in a north/south position C) By taking advantage of the property of gyroscopic inertia D) The rotation of the Earth…