Practice Test: Question Set - 09
1. A phase lag lead network introduces in the output
- (A) Lag at all frequencies
- (B) Lag at high frequencies and lead at low
frequencies
- (C) Lag at low frequencies and lead at high
frequencies
- (D) None of the above
2. The type-1 system has ________ at the origin.
- (A) No pole
- (B) Net pole
- (C) Simple pole
- (D) Two poles
3. Spring constant in force-voltage analogy is analogous to
- (A) Capacitance
- (B) Reciprocal of capacitance
- (C) Current
- (D) Resistance
4. The temperature, under thermal and electrical system analogy, is considered analogous to
- (A) Voltage
- (B) Current
- (C) Capacitance
- (D) Charge
5. The second derivative input signals modify which of the following?
- (A) The time constant of the system
- (B) Damping of the system
- (C) The gain of the system
- (D) The time constant and suppress the
oscillations
6. ________ is a closed loop system.
- (A) Autopilot for an aircraft
- (B) Direct current generator
- (C) Car starter
- (D) Electric switch
7. A good control system has all the following features except
- (A) Good stability
- (B) Slow response
- (C) Good accuracy
- (D) Sufficient power handling capacity
8. Technique is not applicable to nonlinear system?
- (A) Nyquist Criterion
- (B) Quasi linearization
- (C) Functional analysis
- (D) Phase-plane representation
9. In a control system integral error compensation _________ steady state error
- (A) Increases
- (B) Minimizes
- (C) Does not have any effect on
- (D) Any of the above
10. In thermal-electrical analogy charge is considered analogous to
- (A) Heat flow
- (B) Reciprocal of heat flow
- (C) Reciprocal of temperature
- (D) Temperature
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