Control System Questions and Answers Pdf - 1

Question: 1

In a control system, the

(A) output is variable that can be measured

(B) output variable cannot be defined as a function of state variable

(C) state variables are dependent on each other

(D) state variable can always be measured

Question: 2

With regards to the filtering property, the lead compensator and the lag compensator are respectively

(A) both low pass filters

(B) both high pass filters

(C) low pass and high pass filters

(D) high pass and low pass filters

Question: 3

For the minimum phase system to be stable

(A) both phase margin and gain margin should be positive

(B) both phase margin and gain margin should be negative

(C) phase margin should be positive and gain margin should be negative

(D) phase margin should be negative and gain margin should be positive

Question: 4

In the derivative error compensation

(A) damping decreases and settling time increases

(B) damping increases and settling time decreases

(C) damping decreases and settling time decreases

(D) damping increases and settling time increases

Question: 5

Which one of the following is the best controller, to use for an electrically heated temperature-controlled liquid heater?

(A) single position controller

(B) floating controller

(C) proportional position controller

(D) two position controller