control system

A signal other than the reference input that tends to affect the value of controlled variable is known as

• Disturbance

• Command

• Control element

• Reference input

Which of the following is the input to a controller?

• Error Detector

• Desired variable value

• servo signal

• sensed signal

In ______ controller The output signal is directly proportional to the Error signal.

• I controller

• P controller

• D controller

• Both P and I

The initial response when the output is not equal to the input is known as ?

• Dynamic response

• Transient response

• Error response

• None of the above

Potentiometer is used to converts

• Electrical Energy to Mechanical energy

• Mechanical energy to electrical energy

• Mechanical to chemical energy

• chemical energy to Mechanical energy

_______ Potentiometer converts the linear displacement in to voltage.

• Rotational

• Translational

• variabale

• none

If G1, G2 and G3 gains are connected in cascade connection, Then the total equivalent gain is

• G1.G2.G3

• G1+G2+G3

• G1+G1-G3

• ALL

What is the algebric sum of reference input and feedback?

• controlled system

• Error detector

• controlled outpur

• Error signal

In positive Feedback system,

• feedback signal in phase with Input signal

• feedback signal out of phase with input signal

• no relation between feedback signal and input signal

• none of the above

A system which is not having Feedback is called

• closed loop system

• open loop system

• both

• non of the above