NRTC 14340 UNDERSEA WARFARE questions with correct answers
the acronym sonar is derived from what words - Answer sounds, navigation, and ranging a sonar transducer can be compared to which of the following items - Answer microphone signal strength lost as sound waves travel through water is known by what term - Answer transmission loss which of the following sea states causes the greatest amount of absorption - Answer whitecap waves sound waves in seawater travel how many times faster than sound waves in air - Answer 2 which of the following sea floor surfaces has the least amount of signal loss - Answer smooth and hard multiple reflection of a sound wave is referred
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nrtc 14340 undersea warfare questions with correct
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