The height of tide is the __________.?
A) difference between the depth of the water and the area’s tidal datum B) depth of water at a specific time due to tidal effect C) difference between the depth of the water and the high water tidal level D)…
Arşivler Sorular
Index error of a sextant is primarily caused by __________.?
A) improperly correcting the other errors in a sextant B) the horizon glass not being parallel to the horizon mirror C) the horizon glass not being parallel to the index mirror D) human error in taking a celestial observation E)NULL
Under the U.S. Aids to Navigation System on the Western Rivers, the buoys marking the starboard side of the channel when going upstream will be __________.?
A) black B) red C) green D) yellow E)NULL
What will be the time of maximum flood current at Sagamore Bridge on the Cape Cod Canal during the morning of 6 December 1983 (ZD +5)?
A) 708 B) 712 C) 716 D) 1020 E)NULL
You are approaching an open drawbridge and sound the proper signal. You receive no acknowledgment from the bridge. Which action should you take?
A) Approach with caution and proceed through the open draw. B) Approach under full control to a position no closer than 400 yards from the bridge and await a signal from the bridge. C) Hold in the channel as a…
A Mercator chart is a __________.?
A) cylindrical projection B) simple conic projection C) polyconic projection D) rectangular projection E)NULL
The FIRST indications a mariner will have of the approach of a warm front will be __________.?
A) large cumulonimbus clouds building up B) low dark clouds with intermittent rain C) fog caused by the warm air passing over the cooler water D) high clouds gradually followed by lower thicker clouds E)NULL
You must construct a Mercator plotting sheet on a piece of paper measuring 30″ by 36″. The area includes latitude 30°45’S to 37°15’S and longitude 004°00’E to 005°00’W. Allow a one inch neat line on all sides. What is the maximum distance between each degree of longitude that will permit the area of the plotting sheet to be drawn within the stated limitation?
A) 3.09 inches B) 3.22 inches C) 3.41 inches D) 3.58 inches E)NULL
You are bound for the Chelsea docks in the Hudson River. The Captain wants to arrive at the docks at the first slack water on 28 July 1983. You are keeping daylight saving time. What time should you be at the docks?
A) 215 B) 530 C) 811 D) 911 E)NULL
The instrument most commonly used to gather the data for determining the relative humidity is the __________.?
A) hydrometer B) psychrometer C) barometer D) anemometer E)NULL