Electrical Engineering : Control Systems QUESTIONS AND ANSWERS :: part1 : 16 to 20
Following Electrical Engineering Multiple choice objective type questions and answers will help you in BSNL JTO, GATE 2024 and IES 2024 examinations :
16.Which of the following devices are commonly used as error detectors in instruments ? |
| Vernistats |
| Microsyns |
| Resolvers |
| Any of the above |
17.Any externally introduced signal affecting the controlled output is called a |
| feedback |
| stimulus |
| signal |
| gain control |
18.As a result of introduction of negative feedback which of the following will not decrease ? |
| Band width |
| Overall gain |
| Distortion |
| Instability |
19.A.C. servomotor resembles |
| two phase induction motor |
| Three phase induction motor |
| direct current series motor |
| universal motor |
20.A car is rtyining at a constant speed of 50 km/h, which of the following is the feedback element for the driver ? |
| Clutch |
| Eyes |
| Needle of the speedometer |
| Steering wheel |
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