According to Buys Ballot’s law, when an observer in the Northern Hemisphere experiences a northeast wind the center of low pressure is located to the __________.?
A) northeast B) west-southwest C) northwest D) south-southeast E)NULL
Arşivler Sorular
In the IALA Buoyage System, buoys with alternating red and green horizontal bands are used to indicate __________.?
A) fishing areas B) spoil grounds C) the preferred channel D) isolated dangers E)NULL
What volume of the Coast Guard Light List is used for the Mississippi River system?
A) I B) II C) IV D) V E)NULL
A nun buoy will __________.?
A) be green in color B) have an even number C) be left to port when entering from seaward D) be cylindrical in shape E)NULL
Which statement concerning the operation of radar in fog is TRUE?
A) Radar ranges are less accurate in fog. B) Navigation buoys will always show up on radar. C) A sandy beach will show up clearer on radar than a rocky cliff. D) Small wooden boats may not show up on…
A radar range to a small, charted object such as a light will provide a line of position in which form?
A) Straight line B) Arc C) Parabola D) Hyperbola E)NULL
On the Mississippi and Ohio Rivers, there is a special type of fog known as steam fog. It is caused by __________.?
A) warm air passing over much colder water B) cold air passing over much warmer water C) a rapid cooling of the ground on a clear night D) rain coming out of a warm air mass aloft E)NULL
What is the approximate wave length of an X Band Radar operating on a frequency of approximately 9500 MHz?
A) 3 cm B) 10 cm C) 30 cm D) 100 cm E)NULL
A generally circular low pressure area is called a(n) __________.?
A) cyclone B) anticyclone C) cold front D) occluded front E)NULL
By convention, the Earth’s south magnetic pole is colored __________.?
A) blue B) black C) white D) red E)NULL