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Introduction to Control Systems – 1 – 3

11. The transient response of a system is mainly due to :

(a) Input
(b) Actuating
(c) Feedback
(d) Reference

ANSWER

EXPLANATION

12. ……………. is the reference input minus the primary feed back.

(a) Manipulated variable
(b) Zero sequence
(c) Actuating signal
(d) Primary feedback

ANSWER

EXPLANATION

13. Which one of the following is open loop ?

(a) The respiratory system of man
(b) A system for controlling the movement of the slide of a copying milling machine
(c) A thermostatic control
(d) Traffic light control

ANSWER

EXPLANATION

14. The term backlash is associate with :

(a) Servomotors
(b) Induction relays
(c) Gear Trans
(d) Any of the above

ANSWER

EXPLANATION

15. With feed back ………. increases.

(a) system stability
(b) sensitivity
(c) gain
(d) 
effects of disturbing signals

ANSWER

EXPLANATION

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