A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is _________

Ram Sharma • 193.88K Points
Coach

Q. A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion.

(A) Bode stability

(B) Nyquist

(D) None of these

Correct Answer - Option(A)
Views: 121
Filed under category Process Control And Instrumentation

No solution found for this question.
Add Solution and get +2 points.

You must be Logged in to update hint/solution

Discusssion

Be the first to start discuss.

Q. Floating head heat exchangers are used for the

Q. Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than t

Q. _________ catalyst is used in the production of urea from CO₂ and NH₃.

Q. Sulphuric acid pickling tanks are lined with

Q. The equilibrium liquid composition compared to the vapor composition in case of azeotropic mixture is

Q. Use of preheated air for combustion of fuel in the furnace, increases the

Q. For a laminar flow of fluid in a circular tube, 'h₁' is the convective heat transfer co-efficient at velocity 'V₁'. If the veloc

Q. Tubes of multiple effect evaporator used for concentration of sugar cane juice are made of

Q. Isotropic materials have the same __________ in all directions.

Q. A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion.

Discusssion

Related MCQs

Question analytics