Q. Which of the following is noise ? A. Bird chirping B. Crying baby C. Music D. Waterfall Answer & Explanation Except Crying baby all sounds are pleasant. Thus correct option is: B. Similar Questions
Q. In signal conversion unit, signal is A. Amplified B. Stored C. Transmitted D. Rejected Answer & Explanation
Q. Fluid resistance causes damping which is known as ______ A. Resistance damping B. Fluid damping C. Viscous damping D. Liquid damping Answer & Explanation
Q. What is not the effect of unbalanced forces? A. Load on bearings B. Dangerous vibrations C. Stresses in various members D. Violation of conservation of mass principle Answer & Explanation
Q. Vibration measurement is useful for A. operational speed B. avoid resonance C. design isolation D. all of the above Answer & Explanation