According to US government regulations, the maximum sound intensity level in the workplace is 90.0 dB. Within one factory, 32 identical machines produce a sound intensity level of 92.0 dB. How many machines must be removed to bring the factory into compliance with the regulation?
A) 2
B) 8
C) 12
D) 16
E) 24
Correct Answer:
Verified
Q36: How far must one stand from a
Q37: The decibel level of a jackhammer is
Q38: A transverse periodic wave on a string
Q39: The intensity of a spherical wave 2.5
Q40: The speed of sound in fresh
Q42: The car in the drawing is moving
Q43: The car in the drawing is moving
Q44: A car moving at 35 m/s approaches
Q45: The diagram shows the various positions of
Q46: A periodic transverse wave is established on
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents