Q

What does SONAR stand for?

RRB Group-D; RRB NTPC (Stage-I) 26/11/2018 (Shift-III); 09/04/2016 (Shift-III); 16/01/2021 (Shift-I) 2018; 2016; 2021
✓ Answer: A Sound Navigation and Ranging
SONAR is the acronym for Sound Navigation and Ranging.
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