Q. Which one of the following ISO standard is ralated with vibraion measurement and diagnosis A. ISO 1000 B. ISO 2372 C. ISO 2000 D. ISO 5000 Answer & Explaination Discuss Answer : Option:- B Explanation : Discuss here! No Explaination Available for These Question.
Q. A two degree of freedom system having undamped free vibration shows A. Steady state response only B. Transient response only C. Both the steady state and transient response D. Damped response Answer & Explaination Discuss Answer : Option:- B Explanation : Discuss here! No Explaination Available for These Question.
Q. Critical speed of the shaft is expressed as? A. Rototaion of the shaft in degrees B. Rototaion of the shaft in radians C. Rototaion of the shaft in minutes D. Natural frequency of the shaft Answer & Explaination Discuss Answer : Option:- D Explanation : Discuss here! No Explaination Available for These Question.
Q. While drawing free body diagram of mass, the direction of inertia force on mass always acts in the direction A. of displacement B. opposite to displacement C. of spring force D. opposite to spring force Answer & Explaination Discuss Answer : Option:- B Explanation : Discuss here! No Explaination Available for These Question.
Q. Unit of natural frequency is A. K B. Kg C. L D. Hz Answer & Explaination Discuss Answer : Option:- D Explanation : Discuss here! No Explaination Available for These Question.
Q. Background noise in pass-by noise should be less than A. 80db B. 50db C. 45db D. 10db Answer & Explaination Discuss Answer : Option:- D Explanation : Discuss here! No Explaination Available for These Question.
Q. Time taken by vibrating body to complete one cycle is A. period B. frequency C. resonance D. damping Answer & Explaination Discuss Answer : Option:- A Explanation : Discuss here! No Explaination Available for These Question.
Q. Reducing the response of the system by the ______ . A. Introducing a damping B. Use of vibration isolator C. Addition of vibration absorber D. Avoiding resonance Answer & Explaination Discuss Answer : Option:- C Explanation : Discuss here! No Explaination Available for These Question.
Q. Most common decible scale used for measurement of sound and is measured directly on sound level meter is A. Sound intensity level B. Sound power level C. Sound pressure level D. Sound intensity Answer & Explaination Discuss Answer : Option:- C Explanation : Discuss here! No Explaination Available for These Question.
Q. What is used to measure the acceleration component A. Vibrometer B. accelerometer C. velometer D. frequency meter Answer & Explaination Discuss Answer : Option:- B Explanation : Discuss here! No Explaination Available for These Question.