Module 4 (B1)

Module 4 (B1)  quiz contains 20 question based on the syllabus for module 4 examination for B1 category.

The time limit for the quiz is 25 min.

The number of attempts allowed are unlimited.

All the best.

1. 
In a transient velocity feedback circuit, the tachogenerator output is summated with the demand voltage

2. 
One characteristic of the emitter follower is

3. 
A thyristor has which of the following

4. 
Why is a diode put in parallel with an LED ?

5. 
PIN diodes are used mainly for

6. 
To reduce oscillations about a demand position

7. 
A silicon diode, when compared to a germanium diode has

8. 
The common collector amplifier is sometimes called the emitter follower circuit because

9. 
A servo system that overshoots and oscillates is

10. 
The result of cross connecting two of the transmission leads in a torque synchro system and then turning the rotor of the transmitter 60° clockwise would be

11. 
In the circuit diagram shown, R1 and R2 are used to

12. 
In an LED, what is used to make the colour

13. 
What diode gives off light photons when forward biased

14. 
To convert a differential synchro from subtraction to addition you would

15. 
In a speed control servo system (rate control), the purpose of the tachogenerator is

16. 
The voltage supply to a Complimentary Metal Oxide Semiconductor (CMOS) integrated circuit must be

17. 
In a resolver synchro the stator windings are electrically displaced by

18. 
In an NPN transistor the P is the

19. 
Critical damping in a servomechanism is

20. 
A typical use for resolver synchros is

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