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 printed circuit board , the surface resistance testing is

2. 
In a rate servo (speed control) the signal into the servo amplifier is

3. 
Why is a diode put in parallel with an LED ?

4. 
The term 'velocity lag' refers to a

5. 
A two phase induction motor used in a servomechanism

6. 
What type of pulse is required to switch on an SCR?

7. 
A differential synchro has

8. 
A synchro transformer is used to

9. 
In an ideal current amplifier

10. 
A Common Collector circuit has the following characteristics

11. 
A germanium diode is used for

12. 
In a control synchro system the power supply is connected to the

13. 
What is an intrinsic material?

14. 
Which diode has a lower forward bias voltage?

15. 
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

16. 
This is a diagram of a

17. 
An amplifier current gain will be slightly less than 1, but its voltage gain will be high, if it is connected in the

18. 
The capacitance of a varactor diode is

19. 
A servo system with transient negative velocity feedback

20. 
To decrease the voltage gain of a common emitter amplifier you would increase the resistance in the

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