Control System online MCQ - Set 07 - ObjectiveBooks

Control System online MCQ - Set 07

Practice Test: Question Set - 07

1. The frequency and time domain are related through which of the following?
    (A) Laplace Transform and Fourier Integral
    (B) Laplace Transform
    (C) Fourier Integral
    (D) Either (B) or (C)

2. In case of type-1 system steady state acceleration is
    (A) Unity
    (B) Infinity
    (C) Zero
    (D) 10

3. 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 nonlinearities causes malfunctioning
    (C) Less expensive
    (D) Generally free from problems of nonlinearities

4. Zero initial condition for a system means
    (A) Input reference signal is zero
    (B) Zero stored energy
    (C) Net initial movement of moving parts
    (D) System is at rest and no energy is stored in any of its components

5. A controller, essentially, is a
    (A) Sensor
    (B) Clipper
    (C) Comparator
    (D) Amplifier

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) Nonlinear systems

7. A conditionally stable system exhibits poor stability at
    (A) Low frequencies
    (B) Reduced values of open loop gain
    (C) Increased values of open loop gain
    (D) None of the above

8. Which of the following devices is used for conversion of coordinates?
    (A) Microsyn
    (B) Selsyn
    (C) Synchro-resolver
    (D) Synchro-transformer

9. With feedback ________ reduces.
    (A) System stability
    (B) System gain
    (C) System stability and gain
    (D) None of the above

10. In open loop system
    (A) The control action depends on the size of the system
    (B) The control action depends on system variables
    (C) The control action depends on the input signal
    (D) The control action is independent of the output

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