Control systems objective questions with explanations

Control systems objective questions with explanations

Q no 1. Which of the following is an open loop control system ?

A ) field controlled d.c motor

B ) ward leonard control

C ) metadyne

D ) stroboscope

Explanations

                    Answer A ) field controlled d.c motor

Q no 2 . Which of the following statements is not necessarily correct for open control system ?

A ) input command is the sole factor responsible for providing the control action

B ) presence of non – linearities causes mal – functioning

C ) less expensive

D ) generally free from problems of non – linearities

Explanations

                    Answer B ) presence of non – linearities causes mal – functioning