MCQs in Microwave Communications Part I – Answers

(Last Updated On: December 8, 2017)

Answers in Microwave Communications - MCQs Part I

Below are the answers key for the Multiple Choice Questions in Microwave Communications – MCQs Part 1.

1. Attenuation

2. 8493 km

3. towards the earth

4. S = 3λR/L

5. 10 GHz

6. Sixth

7. Slow fading

8. Slow fading

9. Large reflector

10. Delayed spreading

11. SONAR

12. Is equivalent to an LC resonant circuit

13. ± 2000 Hz

14. All of the above

15. magnetron

16. The absorption of energy by the signal from an electron stream

17. To keep the electrons from spreading out

18. Both B and C

19. 1 to 100 GHz

20. Degree of emission from the cathode

21. Velocity modulation at the input cavity creates density modulation at the output cavity

22. The dimension of each cavity resonator

23. π mode

24. Depends on the formation of charge domain

25. Circulator

26. A narrow, antenna-beam width in the horizontal plane

27. Which may be used to tune the radar receiver

28. A silicon crystal

29. 3000 to 30000 MHz

30. By bunches of electrons passing the cavity grids

31. Ferrite emitter

32. Local oscillator

33. All of these

34. Indicates both the range and azimuth of a target

35. Its physical dimensions

36.  The interval between transmitted pulses

37. The frequency will decrease

38. Adjusting the flexible wall of the resonant cavity

39. Reduce interference from the effects of sea return

40. Allow the transmitter and the receiver to operate from a common antenna

41. 100 watts

42. As a second anode and to prevent the build-up of secondary field

43. May be decreased

44. Its resonant cavity

45. No noticeable effect

46. Isolator

47. All of these

48. The shortest possible time

49. Magnetron

50. Loran C: 100 kHz

Online Questions and Answers Series

Following is the list of Practice Exam Test Questions in this brand new series:

Microwave Communications MCQs
PART 1: MCQs from Number 1 – 50                        Answer key: PART I
PART 2: MCQs from Number 51 – 100                   Answer key: PART II
PART 3: MCQs from Number 101 – 150                 Answer key: PART III
PART 4: MCQs from Number 151 – 200                 Answer key: PART IV
PART 5: MCQs from Number 201 – 250                 Answer key: PART V
PART 6: MCQs from Number 251 – 300                 Answer key: PART VI
PART 7: MCQs from Number 301 – 350                 Answer key: PART VII
PART 8: MCQs from Number 351 – 400                 Answer key: PART VIII
PART 9: MCQs from Number 401 – 450                 Answer key: PART IX
PART 10: MCQs from Number 451 – 500                 Answer key: PART X

Complete List of MCQs in Communications Engineering per topic

MCQs in Microwave Communications Part I – Answers
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