BPME Block 7- Technology for the Warfighter: Sonar Exam UPDATED QUESTIONS AND CORRECT ANSWERS

BPME Block 7- Technology for the Warfighter: Sonar Exam UPDATED QUESTIONS AND CORRECT ANSWERS Sonar is a device that processes ______ energy. - CORRECT ANSWER acoustics Hull-mounted sonar has a blind spot aft of the ship called the __________. - CORRECT ANSWER baffles __________ cause(s) sound energy to bend from a straight path and can mask an undersea target. - CORRECT ANSWER thermoclines __________ sonar is silent and avoids alerting an adversary. - CORRECT ANSWER passive Passive sonar uses ___________ to locate targets. - CORRECT ANSWER triangulation A __________ receives reflected acoustic energy or other forms of undersea noise in a sonar system. - CORRECT ANSWER hydrophone ___________ sonar pings as it searches for undersea targets. - CORRECT ANSWER active __________ sonar is silent and avoids alerting an adversary. - CORRECT ANSWER passive Acoustic energy travels at approximately ______________ meters per second through sea water. - CORRECT ANSWER 1,530 Passive sonar has the advantage of ______________. - CORRECT ANSWER stealth