e-Quiz 1

What is Vibration?

• Vibration is motion that does not repeat itself before an interval of time

• Vibration is any motion that repeats itself after an interval of time

• Vibration is any motion that repeats itself before an interval of time

• Vibration any motion do not repeat itself after an interval of time

What type of characteristics of pendulum motion?

• Random motion

• Deterministic motion

• Linear motion

• Harmonic motion

What is the cause of the Machine is Vibrate? Can choose more than one answer

• Repeating

• Looseness

• Statics

• Resonance

Meaning of degree of freedom (DOF) is……

• min. number of independent coordinates required to specify completely the positions of a dynamic systems

• max. number of independent coordinates required to specify completely the positions of a dynamic systems

• min. number of dependent coordinates required to specify completely the positions of a dynamic systems

• max. number of independent coordinates required to specify completely the positions of a dynamic systems

What is Generalize Coordinate and how many DOF systems shows in the figure?

• x and 1 DOF

• θ and 1 DOF

• x, θ and 2 DOF

• x, y, θ and 2 DOF

What is Generalize Coordinate and how many DOF systems shows in the figure?

• x₁, & x₂ and 2DOF

• x₁, x₂ & θ and 2DOF

• x₁, & x₂ and 3DOF

• x₁, x₂ & θ and 3DOF

What is Generalize Coordinate and how many DOF systems shows in the figure?

• θ₁,θ₂ and 2DOF

• θ₁,θ₂ and 3DOF

• θ₁,θ₂, x₁, x₂ and 2DOF

• θ₁,θ₂, x₁, x₂ and 3DOF

Identify the number of degree of freedom in this system and specify generalized coordinates.

• x1, x2 and 1DOF

• θ1, θ2 and 1DOF

• x1, x2 and 2DOF

• θ1, θ2 and 2DOF

Identify the number of degree of freedom in this system and specify generalized coordinates.

• θ₁,θ₂ ,θ₃ and 3DOF

• θ₁,θ₂ ,θ_3, θ₄ and 4DOF

• θ₁,θ₂ , and 2DOF

• θ₁ and 1DOF

Identify the number of degree of freedom in this system and specify generalized coordinates.

• x, θ and 1DOF

• x, θ and 2DOF

• θ and 1DOF

• x and 1DOF