The white lights in a vertical line on a multiple-span bridge indicate __________.?
A) the main channel B) the draw span is inoperable C) the river is obstructed under that span D) scaffolding under the span is reducing the vertical clearance E)NULL
Soru Kategorisi Güverte
What will be the velocity and direction of the tidal current at Old Ferry Point, NY, at 1340 EST (ZD +5) on 5 February 1983?
A) 0.8 knot at 060°T B) 0.8 knot at 240°T C) 1.0 knot at 076°T D) 1.4 knots at 076°T E)NULL
Antares is found in what constellation?
A) Scorpio B) Corvus C) Libra D) Corona Borealis E)NULL
Clouds appearing in the following order: cirrus, cirrostratus, altostratus, stratus, and nimbostratus usually indicate the approach of a(n) __________.?
A) warm front B) occluded front C) medium front D) cold front E)NULL
The reference point for determination of GMT is the passage of the mean sun over what line?
A) First point of Aries B) Observer’s meridian C) 0° longitude D) 180° longitude E)NULL
The depth of water on a chart is indicated as 23 meters. This is equal to __________.?
A) 11.5 fathoms B) 12.6 fathoms C) 69.0 feet D) 78.6 feet E)NULL
The highest frequency of tropical cyclones in the North Atlantic Ocean occurs during __________.?
A) January, February and March B) April, May and June C) August, September and October D) July, November and December E)NULL
You must draw a plotting sheet covering latitudes 49°N to 53°N and longitudes 179°E to 178°W. If the distance between latitude 49°N to 53°N is 16 inches, what is the distance between the meridians of 1° of longitude?
A) 2.12 inches B) 2.33 inches C) 2.56 inches D) 2.81 inches E)NULL
On a working copy of a weather map, a cold front is represented by what color line?
A) Red B) Blue C) Alternating red and blue D) Purple E)NULL
When using a directional loop antenna to take an RDF bearing, the sense antenna is used to __________.?
A) determine which station of a group of sequenced stations is transmitting B) increase the sensitivity of the receiver C) resolve the 180° ambiguity D) eliminate the induced currents caused by signal re-radiation from the vessel’s structure E)NULL