Explore topic-wise MCQs in Control Systems.

This section includes 13 Mcqs, each offering curated multiple-choice questions to sharpen your Control Systems knowledge and support exam preparation. Choose a topic below to get started.

1.

How can the steady state error can be reduced?

A. By decreasing the type of the system
B. By increasing system gain
C. By decreasing the static error constant
D. By increasing the input
Answer» E.
2.

Given a unity feedback system with G (s) =K/ s (s+4). What is the value of K for a damping ratio of 0.5?

A. 1
B. 16
C. 4
D. 2
Answer» C. 4
3.

An underdamped second order system with negative damping will have the roots :

A. On the negative real axis as roots
B. On the left hand side of complex plane as complex roots
C. On the right hand side of complex plane as complex conjugates
D. On the positive real axis as real roots
Answer» D. On the positive real axis as real roots
4.

GIVEN_A_UNITY_FEEDBACK_SYSTEM_WITH_G_(S)_=K/_S_(S+4)._WHAT_IS_THE_VALUE_OF_K_FOR_A_DAMPING_RATIO_OF_0.5??$

A. 1
B. 16
C. 4
D. 2
Answer» C. 4
5.

How_can_the_steady_state_error_can_be_reduced?$

A. By decreasing the type of the system
B. By increasing system gain
C. By decreasing the static error constant
D. By increasing the input
Answer» E.
6.

An underdamped second order system with negative damping will have the roots ?

A. On the negative real axis as roots
B. On the left hand side of complex plane as complex roots
C. On the right hand side of complex plane as complex conjugates
D. On the positive real axis as real roots
Answer» D. On the positive real axis as real roots
7.

With negative feedback in a closed loop control system, the system sensitivity to parameter variation:

A. Increases
B. Decreases
C. Becomes zero
D. Becomes infinite
Answer» C. Becomes zero
8.

When the unit step response of a unity feedback control system having forward path transfer function G (s) =80/s(s+18)?

A. Overdamped
B. Critically damped
C. Under damped
D. Un Damped oscillatory
Answer» B. Critically damped
9.

When the period of the observation is large, the type of the error will be:

A. Transient error
B. Steady state error
C. Half-power error
D. Position error constant
Answer» C. Half-power error
10.

A system has a single pole at origin. Its impulse response will be:

A. Constant
B. Ramp
C. Decaying exponential
D. Oscillatory
Answer» B. Ramp
11.

A third order system is approximated to an equivalent second order system. The rise time of this approximated lower order system will be:

A. Same as the original system for any input
B. Smaller than the original system for any input
C. Larger than the original system for any input
D. Larger or smaller depending on the input
Answer» C. Larger than the original system for any input
12.

The identical first order system have been cascaded non-interactively. The unit step response of the systems will be:

A. Overdamped
B. Underdamped
C. Undamped
D. Critically damped
Answer» E.
13.

The system with the open loop transfer function 1/s(1+s) is:

A. Type 2 and order 1
B. Type 1 and order 1
C. Type 0 and order 0
D. Type 1 and order 2
Answer» E.