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Control-systems Questions Set 3:

Quiz Mode

Which of the following is an open loop control system?

Ward Leonard control

Metadyne

Stroboscope

Field controlled D.C. motor

Solution:

What is the centroid of the given control system having the open-loop transfer function:

G(s)H(s) = k/(s-3)(s+1)(s+5)

-2

-1

Solution:

What can a Signal Flow Graph be used to find?

Poles of the system

Transfer Function of the system

Controllability of the system

Stability of the system

Solution:

In which system configuration are complex conjugate poles obtained?

2nd order system with ζ = 0.6

2nd order system with ζ = 1

2nd order system with ζ = 0

Both 1 and 3

Solution:

For a second-order system with the damping ratio (ξ) where 0 < ξ < 1, the roots of the characteristic polynomial are:

Real and equal

Real but not equal

Complex Conjugates

Imaginary

Solution:

Which of the following is true for low-pass systems?

Very low response at very high frequencies

Very high response at very high frequencies

Overshoot

Synchro-control transformer output

Solution:

Why will gain be reduced in a closed-loop control system?

Due to less stability nature of closed-loop system

Due to the presence of feedback.

Due to less accuracy of closed loop system.

None of the above.

Solution:

If the transfer function of a 2nd order system is given by:

T(s) = 16/(s² + 3s + 16), then the values of ζ (zeta), w_n and T_p are

0.75, 16 and 0.8472

0.375, 4 and 0.8472

0.75, 4 and 1.694

0.375, 16 and 1.694

Solution:

If the damping factor, ζ (zeta) is equal to 1, then the nature of the response and system classification are respectively:

Damped oscillations, Underdamped system

Oscillations with constant frequency and amplitude, Undamped system

Pure exponential, Critically damped

Pure exponential, slow and sluggish, Overdamped

Solution:

If the damping factor, Zeta (ζ), lies between the interval 1 < ζ < ∞, then the nature of the system response and its classification are, respectively:

Damped oscillations, Underdamped systems

Oscillations with constant frequency and amplitude, Undamped system

Pure exponential, Critically damped system

Pure exponential, slow and sluggish, Overdamped system

Control-systems Questions Set 3:

Which of the following is an open loop control system?

Solution:

What is the centroid of the given control system having the open-loop transfer function:

G(s)H(s) = k/(s-3)(s+1)(s+5)

Solution:

What can a Signal Flow Graph be used to find?

Solution:

In which system configuration are complex conjugate poles obtained?

Solution:

For a second-order system with the damping ratio (ξ) where 0 < ξ < 1, the roots of the characteristic polynomial are:

Solution:

Which of the following is true for low-pass systems?

Solution:

Why will gain be reduced in a closed-loop control system?

Solution:

If the transfer function of a 2nd order system is given by:

T(s) = 16/(s² + 3s + 16), then the values of ζ (zeta), w_n and T_p are

Solution:

If the damping factor, ζ (zeta) is equal to 1, then the nature of the response and system classification are respectively:

Solution:

If the damping factor, Zeta (ζ), lies between the interval 1 < ζ < ∞, then the nature of the system response and its classification are, respectively:

Solution:

Related Question Sets:

Related Topics:

Control-systems Questions Set 3:

Which of the following is an open loop control system?

Solution:

What is the centroid of the given control system having the open-loop transfer function: G(s)H(s) = k/(s-3)(s+1)(s+5)

Solution:

What can a Signal Flow Graph be used to find?

Solution:

In which system configuration are complex conjugate poles obtained?

Solution:

For a second-order system with the damping ratio (ξ) where 0 < ξ < 1, the roots of the characteristic polynomial are:

Solution:

Which of the following is true for low-pass systems?

Solution:

Why will gain be reduced in a closed-loop control system?

Solution:

If the transfer function of a 2nd order system is given by: T(s) = 16/(s2 + 3s + 16), then the values of ζ (zeta), wn and Tp are

Solution:

If the damping factor, ζ (zeta) is equal to 1, then the nature of the response and system classification are respectively:

Solution:

If the damping factor, Zeta (ζ), lies between the interval 1 < ζ < ∞, then the nature of the system response and its classification are, respectively:

Solution:

Related Question Sets:

Related Topics:

What is the centroid of the given control system having the open-loop transfer function:

G(s)H(s) = k/(s-3)(s+1)(s+5)

If the transfer function of a 2nd order system is given by:

T(s) = 16/(s² + 3s + 16), then the values of ζ (zeta), w_n and T_p are