Q. Eigen value obtained from matrix gives A. Mode shapes of system B. Eigen vector C. Natural frequency D. Stiffness of system Answer & Explaination Discuss Answer : Option:- C Explanation : Discuss here! No Explaination Available for These Question.
Q. Rate of decay of amplitude is measured by A. logarithmic decrement B. underdamped system C. Over damped system D. all of these Answer & Explaination Discuss Answer : Option:- A Explanation : Discuss here! No Explaination Available for These Question.
Q. If the critical speed of the shaft 7m/s and natural frequncy 9 rad/sec find wavelength. A. 488 m B. 48.8m C. 4.88 m D. 0.488 m Answer & Explaination Discuss Answer : Option:- C Explanation : Discuss here! No Explaination Available for These Question.
Q. In stylus type recorder, drum is fixed A. vertically B. horizontally C. inclined D. None of the above Answer & Explaination Discuss Answer : Option:- A Explanation : Discuss here! No Explaination Available for These Question.
Q. System with finite DOF are called as A. discrete system B. continous system C. none of these D. all of these Answer & Explaination Discuss Answer : Option:- A Explanation : Discuss here! No Explaination Available for These Question.
Q. The balancing of rotating and reciprocating parts of an engine is necessary when it runs at A. slow speed B. medium speed C. High speed D. Average speed Answer & Explaination Discuss Answer : Option:- C Explanation : At high speed vibrations are more.
Q. At which angle primary unbalanced force in reciprocating engine mechanism is maximum? A. 0° B. 90° C. 270° D. All of the above Answer & Explaination Discuss Answer : Option:- A Explanation : Primary unbalance force in reciprocating engine is given by,Fp = mrω2cosθthe above term gives maximum Fp at θ= 0° or 180°.
Q. The mass used to balance the mass defect is known as ______ A. Balancing mass B. Defect mass C. Replacement mass D. Fixing mass Answer & Explaination Discuss Answer : Option:- A Explanation : Discuss here! No Explaination Available for These Question.
Q. which one of the followings is a type of vibration control A. Active vibration control B. Passive vibration control C. Semi active vibration control D. Any of the above Answer & Explaination Discuss Answer : Option:- D Explanation : Discuss here! No Explaination Available for These Question.
Q. Transmissibility is defined as the ratio of A. Force transmitted to support and excitation force B. Displacement amplitude of mass and displacement amplitude of support C. Both options (1) and (2) D. Force transmitted to support and inertia force Answer & Explaination Discuss Answer : Option:- C Explanation : Discuss here! No Explaination Available for These Question.