更多"A line of position formed by sighti"的相关试题:
[单项选择]The joint formed when two steel plates are placed end-to-end is called a（）.
A. bevel
B. seam
C. butt
D. bond
[单项选择]The irregular black line around a charted light such as Race Rock Light indicates that it is （）.
A. unwatched
B. surrounded by riprap
C. a minor light
D. constructed on an artificial island
[单项选择]Charted depth is the（）.
A. vertical distance from the tidal datum to the ocean bottom plus the height of the tide
B. vertical distance from the tidal datum to the ocean bottom
C. average height of water over a specified period of time
D. average height of all low waters at a place
[单项选择]When a feature remains in its existing charted position but has a change of characteristic,（）command is used on a chart.
A. MOVE
B. DELETE
C. AMEND
D. SUBSTITUTE
[单项选择]（）amplify charted detail and contain information needed for safe navigation.
A. Admiralty Sailing Directions
B. Admiralty List of Lights
C. Admiralty List of Signals
D. Admiralty Notices to Mariners
[单项选择]Charted depths are decreased（）2 meters．
A. in
B. on
C. with
D. by
[单项选择]As these features are not all charted, special caution should be exercised（）vessels navigating in the vicinity.
A. by
B. with
C. on
D. in
[单项选择]As these features are not all charted，special caution should be exercised （） vessels navigating in the vicinity.
A. by
B. with
C. on
D. in
[单项选择]A true bearing of a charted object，when plotted on a chart，will establish a （）.
A. fix
B. line of position
C. relative bearing
D. range
[单项选择]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
[单项选择]Charted depths（）by 2 meters due to state of the winds．
A. is decreased
B. decreased
C. decreases
D. are decreased
[单项选择]Cumulonimbus clouds are formed by（）.
A. vertical air movements
B. heavy rainstorms
C. horizontal air movements
D. any movement of moist air
[单项选择]The lowest temperature at which the vapor formed from a liquid ignites and continues to burn steadily in the presence of an ignition source is called the（）.
A. flash point
B. fire point
C. upper explosive limit
D. lower explosive limit
[单项选择]Condensate formed within the first-effect tube nest of a double-effect,low pressure evaporator, is removed by a （）.
A. series of baffles
B. crossover pipe
C. condensate separator
D. drain pump
