Virtual Labs

Mechanical Engineering Machine Dynamics and Mechanical Vibrations Lab Experiments

Aim

Theory

Procedure

Self Evaluation

Simulation

Assignment

Quiz

Videos

References

Feedback

Aim

Theory

Procedure

Self Evaluation

Simulation

Assignment

Quiz

Videos

References

Feedback

2DOF Forced vibration

Choose difficulty:

Beginner

Intermediate

Advanced

A motor of mass 1000 Kg is kept on a foundation of stiffness 100 N/mm, then ω_n in rad/s is

a: 1000 Explanation

Explanation

b: 100 Explanation

Explanation

c: 10 Explanation

Explanation

d: None of these Explanation

Explanation

Theoretically the number of modes of a steel scale held at one end (cantilever)

a: 0 Explanation

Explanation

b: ∞ Explanation

Explanation

c: 1 Explanation

Explanation

d: None of these Explanation

Explanation

For a MDOF system roots of frequency equation

a: Are Eigen Values Explanation

Explanation

b: Do not exist Explanation

Explanation

c: Are all equal Explanation

Explanation

d: None of these Explanation

Explanation

Lagrange's equation is used to find ____ of a MDOF

a: Modes Explanation

Explanation

b: Frequencies Explanation

Explanation

c: Governing Differential Equation Explanation

Explanation

d: None of these Explanation

Explanation

For effective isolation, frequency ratio should be greater than

a: 0.707 Explanation

Explanation

b: 1.414 Explanation

Explanation

c: 1 Explanation

Explanation

d: None of these Explanation

Explanation

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