A good control system has all the following features except_____________?

Related Mcqs:

1. Which of the following devices are commonly used as error detectors in instruments ?

   A. Vernistats
   B. Microsyns
   C. Resolvers
   D. Any of the above

2. By which of the following the control action is determined when a man walks along a path ?

   A. Brain
   B. Hands
   C. Legs
   D. Eyes

3. As a result of introduction of negative feedback which of the following will not decrease ?

   A. Band width
   B. Overall gain
   C. Distortion
   D. Instability

4. Due to which of the following reasons excessive bond width in control systems should be avoided ?

   A. It leads to slow speed of response
   B. It leads to low relative stability
   C. Noise is proportional to band width
   D. None of the above

5. In an automatic control system which of the following elements is not used ?

   A. Error detector
   B. Final control element
   C. Sensor
   D. Oscillator

6. The transfer function is applicable to which of the following ?

   A. Linear and time-in variant systems
   B. Linear and time-variant systems
   C. Linear systems
   D. Non-linear systems
   F. None of the above

7. Which of the following is the output of a thermocouple ?

   A. Alternating current
   B. Direct current
   C. A.C. voltage
   D. D.C. voltage
   F. None of the above

8. In order to increase the damping of a badly underdamped system which of following compensators may be used ?

   A. Phase-lead
   B. Phase-lag
   C. Both A. and B.
   D. Either A. and B.
   F. None of the above

9. Which of the following can be measured by the use of a tachogenerator ?

   A. Acceleration
   B. Speed
   C. Speed and acceleration
   D. Displacement
   F. None of the above

10. Which of the following can be measured by LVDT ?

    A. Displacement
    B. Velocity
    C. Acceleration
    D. Any of the above