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Electronics Mechanic Practice Test: Radio Receiver And Transmitter
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Electronics Mechanic Practice Test: Radio Receiver And Transmitter
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25 Questions

1. R.F. alignment is done by setting —
2. The full form of TRF Receiver is —
3. If the stations at the high frequency end of the dial are weak then the fault lies in —
4. A crystal receiver consists of —
5. The I.F. of an AM radio receiver is generally kept —
6. The function of an I.F. transformer is to —
7. Fading of a broadcasting station means —
8. An A F transistor is found defective, its electrodes may have become —
9. What is the possible fault if a receiver does not work on a specific band?
10. The output of a heterodyning stage contains —
11. What will happen if the ground terminal of the gang capacitor becomes open ?
12. Distant broadcasting stations are not picked up by the receiver due to —
13. No station is heard on a radio receiver, only noise is heard, it is due to short-circuited
14. The input to the detector stage is —
15. Medium wave band allotted for AM broadcasting is —
16. Whistling and squawking sound defects in a radio receiver are caused due to —
17. A gang capacitor is said to be defective if —
18. The sensitivity of a radio receiver is defined as the ability of the receiver to —
19. In a MW radio receiver, the stations are received with a noise. It may be due to —
20. The oscillator frequency of a radio receiver is kept higher than the signal frequency so as to obtain—
21. The cause of motor boating defect in a radio receiver is —
22. If the battery of a radio receiver is loose or the soldering of battery clamps is dry then the reception will be —
23. What is the cause of excessive hum' in a mains operated radio receiver —
24. If a mechanic fails in aligning the I.F. of a radio receiver then the possible fault may be
25. The output of a mixer stage is —

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