單項選擇題

When using the radar for navigating（）.

A.the best fix is obtained by using a tangent bearing and a range
B.and using two radar ranges for a fix，the objects of the ranges should be close to reciprocal bearings
C.and using ranges，the most rapidly changing range should be measured last
D.and crossing a radar range of one object with the visual bearing of a second object，the two objects should be 80°to 110°apart

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單項選擇題

When using the ARPA in heavy rain，which action should you take? （）

A.Increase the radar gain to pick up weak echoes through the rain
B.Increase the STC setting to reduce close-in spurious signals
C.Navigate as though the effective range of the radar has been reduced
D.Increase the range of the inner and outer guard rings

單項選擇題

When using an ARPA，what should you consider in order to evaluate the information displayed?（）

A.The target vessel's generated course and speed are based solely on radar inputs
B.Navigational constraints may require a target vessel to change course
C.The trial maneuver feature will automatically determine a course that will clear all targets
D.You cannot determine if a small target has been lost due to sea return

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When using the radar for navigating（）.

你可能感興趣的試題

When using the ARPA in heavy rain，which action should you take? （）

When using an ARPA，what should you consider in order to evaluate the information displayed?（）

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