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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