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Control System Components – 1 – 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

ANSWER

EXPLANATION

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

ANSWER

EXPLANATION

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

ANSWER

EXPLANATION

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. 146819145436246g
B. Field controlled dc servo motor  2. 146819145436246
C. Tacho generator  3. 146819145436246f
D. Integrating gyro 4. 146819145436246

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 

ANSWER

EXPLANATION

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 :

2016-07-11_4-05-09

(a) I
(b) II
(c) III
(d) IV

ANSWER

EXPLANATION

1

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