Q. A two degree of freedom semi-definate system have A. one of the natural frequency zero B. two positive natural frequencies C. both the natural frequencies zero D. one of the natural frequency negative Answer & Explaination Discuss Answer : Option:- A Explanation : Discuss here! No Explaination Available for These Question.
Q. Which domestic appliance has highest noise level ? A. Food Mixer B. Alarm clock C. Gas Cooker D. Electric Drill Answer & Explaination Discuss Answer : Option:- D Explanation : Discuss here! No Explaination Available for These Question.
Q. The vibration perpendicular to the shaft axis are known as ______ Vibrations. A. Transverse B. Longitudinal C. Torsional D. none of these Answer & Explaination Discuss Answer : Option:- A Explanation : Transverse vibration acts perpendicular to axis of shaft. Thus they produce bending moment in shaft.
Q. The maximum displacement of body from mean position is A. Amplitude B. Frequency C. Time period D. None of these Answer & Explaination Discuss Answer : Option:- A Explanation : Discuss here! No Explaination Available for These Question.
Q. Noise standards and regulations are guidelines and norms related to A. transmission of heat and sound B. transmission of sound C. transmission of heat D. reflection of sound Answer & Explaination Discuss Answer : Option:- B Explanation : Discuss here! No Explaination Available for These Question.
Q. Vibrations are the oscillations of a system about: A. One axis B. An equilibrium position C. Spring D. None of these Answer & Explaination Discuss Answer : Option:- B Explanation : Discuss here! No Explaination Available for These Question.
Q. Following material is not considered as an isolating material A. Rubber B. Cork C. Neoprene D. Ceramics Answer & Explaination Discuss Answer : Option:- D Explanation : Discuss here! No Explaination Available for These Question.
Q. Natural frequency of two degree of freedom undamped systems depends on A. Mass only B. Stiffness only C. Damper and mass D. Mass and stiffness Answer & Explaination Discuss Answer : Option:- D Explanation : Discuss here! No Explaination Available for These Question.
Q. Machine component from which acoustic energy originates is called A. path B. source C. receiver D. structure Answer & Explaination Discuss Answer : Option:- B Explanation : Discuss here! No Explaination Available for These Question.
Q. Sensor is used in ______ vibration isolation system. A. passive B. active C. both active and passive D. None of the above Answer & Explaination Discuss Answer : Option:- B Explanation : Discuss here! No Explaination Available for These Question.