90 db - Permitted noise level for 500 kW motor running at speed of 1500 rpm

Q.  What is the permitted noise level in db for a 500 kW motor running at a speed of 1500 rpm?
- Published on 30 Sep 15

a. 60 db
b. 75 db
c. 90 db
d. 55 db

ANSWER: 90 db

Related Content

➨ Post your comment / Share knowledge


Enter the code shown above:

(Note: If you cannot read the numbers in the above image, reload the page to generate a new one.)
▲