Positioning controllers are used for _______________?

Related Mcqs:

1. Process degree of freedom indicates _______________ number of controllers to be used?

   A. The maximum B. The minimum C. Both maximum and the minimum D. Nothing about the...

2. Stabilising time for the controllers is the time required for the response to reach _____________ percent of its ultimate value?

   A. 63.2 B. 87.5 C. 95 D. 100...

3. On-off controllers are normally used for________________?

   A. Low loads B. Temperature changes C. Flow rate changes D. None of these...

4. Which of the following controllers has the least maximum deviation ?

   A. P-controller B. P-I controller C. P-I-D controller D. P-D controller...

5. Which of the following controllers has maximum offset ?

   A. P-controller B. P-I controller C. P-D controller D. P-I-D controller...

6. _______________ thermometer cannot measure sub-zero (< 0° C) temperature ?

   A. Mercury in glass B. Bimetallic C. Vapor pressure D. Resistance...

7. The function of a transducer is to _______________ ?

   A. Modify the input signal B. Amplify the input signal C. Convert the primary signal into a more useful quantity, usually an electric impulse D. Codify/decodify the input signal...

8. Cascade control means _______________?

   A. Feed forward control B. More than one feed-back loop C. On-off control D. One feed-back loop...

9. “A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency.” This is _______________ criterion?

   A. Bode stability B. Nyquist C. Routh stability D. None of these...

10. Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by__________________?

    A. Filling nitrogen under pressure in the stem B. Increasing the diameter of the tube C. Using steel tube in place of glass tube D. Accounting for the tube expansion...