MCQOPTIONS
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MCQOPTIONS
This section includes 20 Mcqs, each offering curated multiple-choice questions to sharpen your Instrumentation Transducers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
To find system’s response by means of convolution integral ____________ of the system is used. |
| A. | Sum |
| B. | Difference |
| C. | Exponential |
| D. | Weighing |
| Answer» E. | |
| 2. |
A perfect impulse has one value at zero time instant but otherwise zero elsewhere. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Ramp input : |
| A. | Denotes constant velocity |
| B. | Value increases linearly with time |
| C. | It denotes constant velocity and varies linearly with time |
| D. | It varies exponentially with time |
| Answer» D. It varies exponentially with time | |
| 4. |
A feedback control systems has the inherent capability that its parameter can be adjusted to alter both its transient and steady state responses. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
WHICH_OF_THE_FOLLOWING_REPRESENTS_LAPLACE_TRANSFORM_OF_SINH(AT)??$ |
| A. | <sup>a</sup>‚ÅÑ<sub>(S<sup>2</sup>+a<sup>2</sup>)</sub> |
| B. | <sup>a</sup>‚ÅÑ<sub>(S<sup>2</sup>-a<sup>2</sup>)</sub> |
| C. | <sup>S</sup>‚ÅÑ<sub>(S<sup>2</sup>+a<sup>2</sup>)</sub> |
| D. | <sup>S</sup>‚ÅÑ<sub>(S<sup>2</sup>-a<sup>2</sup>)</sub> |
| Answer» C. <sup>S</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>(S<sup>2</sup>+a<sup>2</sup>)</sub> | |
| 6. |
A_PERFECT_IMPULSE_HAS_ONE_VALUE_AT_ZERO_TIME_INSTANT_BUT_OTHERWISE_ZERO_ELSEWHERE.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 7. |
FUNCTION_F_(T)_HAS_LAPLACE_TRANSFORM_F(S)._HOW_WILL_YOU_REPRESENT_LAPLACE_TRANSFORM_OF_INTEGRAL_OF_F(T)??$ |
| A. | S.F(S) |
| B. | F(S) |
| C. | F(S<sup>2</sup>) |
| D. | <sup>F(S)</sup>‚ÅÑ<sub>S</sub> |
| Answer» E. | |
| 8. |
To_find_system’s_response_by_means_of_convolution_integral______________of_the_system_is_used.$# |
| A. | Sum |
| B. | Difference |
| C. | Exponential |
| D. | Weighing |
| Answer» E. | |
| 9. |
Ramp input ? |
| A. | Denotes constant velocity |
| B. | Value increases linearly with time |
| C. | It denotes constant velocity and varies linearly with time |
| D. | It varies exponentially with time |
| Answer» D. It varies exponentially with time | |
| 10. |
Transfer function of a system is given by 1/S. If system has a step input, what will be the output in time domain?(Function exist only for positive time value? |
| A. | Step signal |
| B. | Impulse signal |
| C. | Sinusoidal signal |
| D. | Ramp signal |
| Answer» E. | |
| 11. |
Step signal is the signal whose values is : |
| A. | 1 for all values greater than zero |
| B. | Indeterminate at zero |
| C. | It is zero for time less than zero |
| D. | All of the mentioned |
| Answer» E. | |
| 12. |
What is the result of the expression f(t)= u (t+2) – u (t-3)?$ |
| A. | f (t) =1 for -2 ≤ t ≤ 3 |
| B. | f (t) =1 for 2 ≤ t ≤ 3 |
| C. | f (t) =1 for -2 ≤ t ≤ -1 |
| D. | f (t) =1 for -2 ≤ t ≤ 0 |
| Answer» B. f (t) =1 for 2 ‚Äö√Ñ√∂‚àö¬¢¬¨√ü t ‚Äö√Ñ√∂‚àö¬¢¬¨√ü 3 | |
| 13. |
It is generally used to analyze the transient response to one of the standard test signals. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 14. |
The nature of transient response is revealed by ______________ |
| A. | Sine wave |
| B. | Cos wave |
| C. | Tan wave |
| D. | Test signals |
| Answer» E. | |
| 15. |
Standard test signals in control system are: |
| A. | Impulse signal |
| B. | Ramp signal |
| C. | Unit step signal |
| D. | All of the mentioned |
| Answer» E. | |
| 16. |
How will you obtain given function from unit step signals? |
| A. | = 1 for -1≤t≤1 |
| B. | |
| C. | u (t) – u (t+2) |
| Answer» C. u (t) ‚Äö√Ñ√∂‚àö√ë‚àö¬® u (t+2) | |
| 17. |
The input signals to control systems are not known fully ahead of time, the characteristics of control system which suddenly strain a control system are: |
| A. | Sudden shock |
| B. | Sudden change |
| C. | Constant velocity and acceleration |
| D. | All of the mentioned |
| Answer» E. | |
| 18. |
Laplace transform function f (t) is F(S), then how will you represent Laplace transform for differential of f (t)? |
| A. | <sup>S</sup>‚ÅÑ<sub>F(S)</sub> |
| B. | F(S) |
| C. | S.F(S) |
| D. | F’(S) |
| Answer» D. F‚Äö√Ñ√∂‚àö√ë‚àö¬•(S) | |
| 19. |
Transient response analysis is done for_________ systems. |
| A. | Unstable |
| B. | Stable |
| C. | Conditionally stable |
| D. | Marginally stable |
| Answer» C. Conditionally stable | |
| 20. |
Which of the following represents Laplace transform of ramp signal? |
| A. | <sup>1</sup>‚ÅÑ<sub>S<sup>3</sup></sub> |
| B. | <sup>1</sup>‚ÅÑ<sub>S<sup>2</sup></sub> |
| C. | <sup>1</sup>‚ÅÑ<sub>S</sub> |
| D. | 1 |
| Answer» C. <sup>1</sup>‚Äö√Ñ√∂‚àö√ñ‚àö√´<sub>S</sub> | |