MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
Time response during steady state the output velocity matches with the input velocity but lags behind the input by T. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Laplace transform of unit impulse signal is : |
| A. | A/s |
| B. | A |
| C. | 1 |
| D. | 1/s |
| Answer» D. 1/s | |
| 3. |
Assertion (A): It is observed that step function is first derivative of a ramp function and impulse function is first derivative of a step function.Reason (R): From the derived time response expression it is concluded that the output time response also follows the same sequence as that of input functions. |
| A. | Both A and R are true and R is the correct explanation of A |
| B. | Both A and R are true but R is not correct explanation of A |
| C. | Both A is True but R is false |
| D. | Both A is False but R is true |
| Answer» C. Both A is True but R is false | |
| 4. |
A system with transfer function 1/Ts+1, subjected to a step input takes to seconds to reach 50% of step height. The value of t is :a) 6.9sb) 10sc) 14.4sd) 20s 7.A first order system and its response to a unit step input are shown in figure below. The system parameters are____________ |
| A. | 6.9sb) 10sc) 14.4sd) 20s 7.A first order system and its response to a unit step input are shown in figure below. The system parameters are____________a) a=5 and k=12 |
| B. | 10sc) 14.4sd) 20s 7.A first order system and its response to a unit step input are shown in figure below. The system parameters are____________a) a=5 and k=12b) a=10 and k=5 |
| C. | 14.4sd) 20s 7.A first order system and its response to a unit step input are shown in figure below. The system parameters are____________a) a=5 and k=12b) a=10 and k=5c) a=5 and k=10 |
| D. | 20s 7.A first order system and its response to a unit step input are shown in figure below. The system parameters are____________a) a=5 and k=12b) a=10 and k=5c) a=5 and k=10d) a=8 and k=9View Answer |
| Answer» D. 20s 7.A first order system and its response to a unit step input are shown in figure below. The system parameters are____________a) a=5 and k=12b) a=10 and k=5c) a=5 and k=10d) a=8 and k=9View Answer | |
| 5. |
The unit impulse response of a system having transfer function K/(s+a) is shown below. The value of a is : |
| A. | is shown below. The value of a is :a) t1 |
| B. | t2 |
| C. | 1/t1 |
| D. | 1/t2 |
| Answer» E. | |
| 6. |
If a first order system and its time response to a unit step are as shown below, the gain K is : |
| A. | 0.25 |
| B. | 0.8 |
| C. | 1 |
| D. | 4View Answer |
| Answer» E. | |
| 7. |
The transfer function of the system is G(s) =100/(s+1) (s+100). For a unit step input to the system the approximate settling time for 2% criterion is: |
| A. | 100 sec |
| B. | 4 sec |
| C. | 1 sec |
| D. | 0.01 sec |
| Answer» C. 1 sec | |
| 8. |
A unit step is applied at t=0 to a first order system without time delay. The response has the value of 1.264 units at t=10 mins, and 2 units at steady state. The transfer function of the system is_____________ |
| A. | 3/(1+600s) |
| B. | 2/(1+500s) |
| C. | 5/(1+220s) |
| D. | 2/(1+600s) |
| Answer» E. | |
| 9. |
First order system is defined as : |
| A. | Number of poles at origin |
| B. | Order of the differential equation |
| C. | Total number of poles of equation |
| D. | Total number of poles and order of equation |
| Answer» E. | |