Control Systems - Online Test
Q1. A closed-loop control system is stable if the Nyquist plot of the corresponding open-loop transfer function
Answer : Option A
Explaination / Solution:
No Explaination.
Q2. The open-loop transfer function of a dc motor is given a 
When connected in feedback as shown below, the approximate value of Ka that
will reduce the time constant of the closed loop system by one hundred times as
compared to that of the open-loop system is
When connected in feedback as shown below, the approximate value of Ka that
will reduce the time constant of the closed loop system by one hundred times as
compared to that of the open-loop system is
Answer : Option C
Explaination / Solution:
No Explaination.
Q3. The signal flow graph for a system is given below. The transfer function Y(s)/U(s) for this system is
Answer : Option A
Explaination / Solution:
No Explaination.
