Solution of State Equations MCQ’s

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This set of Control Systems Multiple Choice Questions & Answers (MCQs) focuses on “Solution of State Equations”.

1. A differentiator is usually not a part of a control system because it
a) Reduces damping
b) Reduces the gain margin
c) Increases input noise
d) Increases error

2. If the gain of the critical damped system is increased it will behave as
a) Oscillatory
b) Critically damped
c) Overdamped
d) Underdamped

3. Which of the following is an electromechanical device ?
a) Induction relay
b) Thermocouple
c) LVDT
d) Any of the mentioned

4. In a control system integral error compensation _______ steady state error
a) Increases
b) Minimizes
c) Does not have any effect on
d) All of the mentioned

5. An amplidyne can give which of the following characteristics?
a) Constant current
b) Constant voltage
c) Constant current as well as constant voltage
d) Constant current, constant voltage and constant power

6. ____________directly converts temperature into voltage.
a) Thermocouple
b) Potentiometer
c) Gear train
d) LVDT

7. With feedback _____ reduces.
a) System stability
b) System gain
c) System stability and gain
d) None of the mentioned

8. Which of the following can be measured by LVDT?
a) Displacement
b) Velocity
c) Acceleration
d) All of the mentioned

9. The transfer function technique is considered as inadequate under which of the following conditions?
a) Systems having complexities and non-linearity’s
b) Systems having stability problems
c) Systems having multiple input disturbances
d) All of the mentioned

10. Which of the following is the output of a thermocouple?
a) Alternating current
b) Direct current
c) A.C. voltage
d) D.C. voltage

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