MCQOPTIONS
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MCQOPTIONS
This section includes 110 Mcqs, each offering curated multiple-choice questions to sharpen your Electrical Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 101. |
Which of the following statements is correct for a system with gain margin close to unity or a phase margin close to zero ? |
| A. | The system is relatively stable |
| B. | The system is highly stable |
| C. | The system is highly oscillatory |
| D. | None of the above |
| Answer» D. None of the above | |
| 102. |
The second derivative input signals modify which of the following ? |
| A. | The time constant of the system |
| B. | Damping of the system |
| C. | The gain of the system |
| D. | The time constant and suppress the oscillations |
| E. | None of the above |
| Answer» E. None of the above | |
| 103. |
A control system working under unknown random actions is called |
| A. | Computer control system |
| B. | Digital data system |
| C. | Stochastic control system |
| D. | Adaptive control system |
| Answer» D. Adaptive control system | |
| 104. |
Which of the following is the definition of proportional band of a controller ? |
| A. | The range of air output as measured variable varies from maximum to minimum |
| B. | The range of measured variables from set value |
| C. | The range of measured variables through which the air output changes from maximum to minimum |
| D. | Any of the above |
| E. | None of the above |
| Answer» D. Any of the above | |
| 105. |
Directly converts temperature into voltage. |
| A. | Thermocouple |
| B. | Potentiometer |
| C. | Gear train |
| D. | LVDT |
| E. | None of the above |
| Answer» B. Potentiometer | |
| 106. |
Transfer function of a system is used to calculate which of the following ? |
| A. | The order of the system |
| B. | The time constant |
| C. | The output for any given input |
| D. | The steady state gain |
| Answer» D. The steady state gain | |
| 107. |
Which of the following can be measured by the use of a tachogenerator ? |
| A. | Acceleration |
| B. | Speed |
| C. | Speed and acceleration |
| D. | Displacement |
| E. | None of the above |
| Answer» C. Speed and acceleration | |
| 108. |
A car is raining at a constant speed of 50 km/h, which of the following is the feedback element for the driver ? |
| A. | Clutch |
| B. | Eyes |
| C. | Needle of the speedometer |
| D. | Steering wheel |
| E. | None of the above |
| Answer» D. Steering wheel | |
| 109. |
In an automatic control system which of the following elements is not used ? |
| A. | Error detector |
| B. | Final control element |
| C. | Sensor |
| D. | Oscillator |
| Answer» E. | |
| 110. |
Increases the steady state accuracy. |
| A. | Integrator |
| B. | Differentiator |
| C. | Phase lead compensator |
| D. | Phase lag compensator |
| Answer» B. Differentiator | |