1. Consider the unit-step response of a unity-feedback control system whose open-loop transfer function is

The maximum overshoot is equal to :

(a) 1.143

(b) 0.153

(c) 0.163

(d) 0.173

2. A second order system exhibits 100% overshoot. Its damping coefficient is :

(a) equal to 0

(b) equal to 1

(c) less than 1

(d) grater than 1

3. A control system having unit damping factor will give :

(a) critically damped response

(b) oscillatory response

(c) undamped response

(d) no response

4. A unity feedback system has open-loop transfer function

The peak overshoot in the step-input response of the system is approximately equal to :

(a) 5%

(b) 10%

(c) 15%

(d) 20%

5. A system has a transfer function

For the unit step response, the settling time (in seconds) for 2% tolerance band is :

(a) 1.6

(b) 2.5

(c) 4

(d) 5

**Be a Part of The New & Next**

**Share the Knowledge**