HomeWhat will be the sound power level, if a machine generates 20 W power? What will be the sound power level, if a machine generates 20 W power? A. 124 dB B. 133 dB C. 150 dB D. 200 dB Right Answer: B. 133 dB Share : January 26, 2018 Asghar Khan Mechanical Engineering Total 0 Votes: 0 0 Tell us how can we improve this Mcqs? Captcha: + = Verify Human or Spambot ? Related Mcqs Check Below -Which of the following phases of designing of heat exchangers does designer consider corrosive nature of the fluid in?Newton’s law of viscosity relates?The surface of the single point cutting tool on which the chips formed in cutting operation slide is called as?