A. Routh test
B. Root locus methods
C. Frequency response methods
D. None of these
Related Mcqs:
- Transfer function of transportation lag is___________________?
A. eTS
B. e-TS
C. 1/(Ts + 1)
D. None of these - According to Bode stability criterion, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is_________________?
A. 0°
B. 45°
C. 90°
D. 180° - ____________ are analysed using a Polarograph?
A. Isotonic solutions
B. Solids
C. Liquids
D. Gases - Phase lag of the sinusoidal response of a first order system is _________________?
A. 120°
B. 30°
C. 180°
D. 90° - Phase lag of the frequency response of a second order system to a sinusoidal forcing function______________?
A. Is 30°
B. Is 90° at the most
C. Approaches 180° asymptotically
D. Is 120° - The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is________________?
A. 5π/12
B. π/6
C. π/12
D. π/3 - ____________ stability method uses open loop transfer function?
A. Nyquist
B. Mikhailov
C. Ruth
D. None of these - Bode stability method uses ____________ loop transfer function?
A. Open
B. Closed
C. Either A. or B.
D. Neither A. nor B. - Routh stability method uses ______________ loop transfer function?
A. Open
B. Closed
C. Either A. or B.
D. Neither A. nor B. - Continuous measurement of moisture in paper is done by_______________?
A. Sling psychrometer
B. Hair-hygrometer
C. Weighing
D. High resistance Wheatstone bridge circuit
