Control System Multiple Choice Questions and Answers

11.  If the initial conditions for a system are inherently zero, what does it physically mean?

   A. The system is at rest but stores energy

   B. The system is working but does not store energy

   C. The system is at rest or no energy is stored in any of its parts

   D. The system is working with zero reference input

12.  A system can be completely described by a transfer function if it is

   A. Nonlinear and continuous

   B. Linear and time-varying

   C. Nonlinear and time-invariant

   D. Linear and time-invariant

13.  Linear system obeys

   A. Principle of maximum power transfer

   B. Reciprocity principle

   C. Principle of superposition

   D. All of these

14.  The system described by the equation y = a + bx, a > 0, b > 0 is

   A. Dynamic

   B. Linear

   C. Nonlinear

   D. Time-varying

15.  In a speed control system, output rate feedback is used to

   A. Limit the speed of motor

   B. Limit the acceleration of the motor

   C. Reduce the dumping of the system

   D. Increase the gain margin

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