Control System Components – Exercise – 1

Control System Components » Exercise – 1

1. Which one of the following transducers is used to obtain the output position in a position control system ?

(a)  strain gauge
(b)  load cell
(c)  synchro
(d)  thermistor

2. Which of the following is used in digital position control systems :

(a) Stepper motor
(b) AC servo motor
(c) Synchro
(d) DC servo motor

3. Which one of the following transducers is used to obtain the output position in a position control system ?

(a) Strain Gauge
(b) Load cell
(c) Synchro
(d) Thermistor

4. Match List-I (Component) with List-II (Transfer functions) and select the correct answer using the codes given below the lists :

	List – I		List – II
A.	ac servo motor	1.
B.	Field controlled dc servo motor	2.
C.	Tacho generator	3.
D.	Integrating gyro	4.

Codes : A B C  D

(a)  1 2 3 4
(b)  1 2 4 3
(c)  2 1 3 4
(d)  2 1 4 3

5. Four speed-torque curves (labelled I, II, III and IV) are shown in the given figure. That of an ac servomotor will be as in the curve labelled :

(a) I
(b) II
(c) III
(d) IV

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