The first order control system, which is well designed, has a_______________?

Related Mcqs:

1. 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

2. Which of the following statements is not necessarily correct for open control system ?

   A. Input command is the sole factor responsible for providing the control action
   B. Presence of non-linearities causes malfunctioning
   C. Less expensive
   D. Generally free from problems of non-linearities

3. 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

4. A.C. servomotor resembles_____________?

   A. two phase induction motor
   B. Three phase induction motor
   C. direct current series motor
   D. universal motor

5. Which of the following statements is correct for any closed loop system ?

   A. All the co-efficients can have zero value
   B. All the co-efficients are always non-zero
   C. Only one of the static error co-efficients has a finite non-zero value
   D. None of the above

6. The capacitance, in force-current analogy, is analogous to_____________?

   A. momentum
   B. velocity
   C. displacement
   D. mass

7. _____________is the reference input minus the primary feedback?

   A. Manipulated variable
   B. Zero sequence
   C. Actuating signal
   D. Primary feedback

8. 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
   F. None of the above

9. The phase lag produced by transportation relays_____________?

   A. is independent of frequency
   B. is inverseh’proportional to frequency
   C. increases linearly with frequency
   D. decreases linearly with frequency

10. Which of the following is an electromagnetically device ?

    A. Induction relay
    B. Thermocouple
    C. LVDT
    D. Any of the above
    F. None of the above