Question is ⇒ For a good public address system the sound intensity at the farthest point should be at least, Options are ⇒ (A) 20 dB over threshold of hearing, (B) 40 dB over threshold of hearing, (C) 80 dB over threshold of hearing, (D) 120 dB over threshold of hearing, (E) , Leave your comments or Download question paper.

Question is ⇒ For a good public address system the sound intensity at the farthest point should be at least, Options are ⇒ (A) 20 dB over threshold of hearing, (B) 40 dB over threshold of hearing, (C) 80 dB over threshold of hearing, (D) 120 dB over threshold of hearing, (E) , Leave your comments or Download question paper. Previous question Next question


Q1.	For a good public address system the sound intensity at the farthest point should be at least
A.	20 dB over threshold of hearing [Wrong Answer]
B.	40 dB over threshold of hearing [Wrong Answer]
C.	80 dB over threshold of hearing [Correct Answer]
D.	120 dB over threshold of hearing [Wrong Answer]
View Answer 1 -1 Explanation:- Answer : C Discuss it below : !! OOPS Login [Click here] is required to post your answer/result Help other students, write article, leave your comments

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