Practice Exam

Element 4: Extra

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E2A11

1. What type of antenna can be used to minimize the effects of spin modulation and Faraday rotation?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E7D01

2. What is one characteristic of a linear electronic voltage regulator?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E7F16

3. How might the sampling rate of an existing digital signal be adjusted by a factor of 3/4?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E8C05

4. What is the necessary bandwidth of a 13-WPM international Morse code transmission?

E1E12

5. What must the VE team do with the application form if the examinee does not pass the exam?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E6B12

6. What is one common use for PIN diodes?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E7H13

7. Which of the following is a technique for providing highly accurate and stable oscillators needed for microwave transmission and reception?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E7G02

8. What is the effect of ringing in a filter?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E7A07

9. What logical operation does a NAND gate perform?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E6A08

10. What term indicates the frequency at which the grounded-base current gain of a transistor has decreased to 0.7 of the gain obtainable at 1 kHz?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E9A14

11. What is meant by the radiation resistance of an antenna?

E1F07

12. When may an amateur station send a message to a business?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E0A07

13. How may dangerous levels of carbon monoxide from an emergency generator be detected?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E2E04

14. What is indicated when one of the ellipses in an FSK crossed-ellipse display suddenly disappears?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E9G08

15. What is the process of normalization with regard to a Smith chart?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E4E12

16. What is one disadvantage of using some types of automatic DSP notch-filters when attempting to copy CW signals?

E1D10

17. Which amateur stations are eligible to be telecommand stations?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E2C05

18. What is the function of a DX QSL Manager?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E1C13

19. Which of the following is required in order to operate in accordance with CEPT rules in foreign countries where permitted?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E3B07

20. Which of the following could account for hearing an echo on the received signal of a distant station?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E6F02

21. What happens to the conductivity of a photoconductive material when light shines on it?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E9C12

22. Which of the following describes an extended double Zepp antenna?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E3A04

23. What do Hepburn maps predict?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E5A06

24. What is the magnitude of the circulating current within the components of a parallel LC circuit at resonance?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E4D12

25. What is the term for the reduction in receiver sensitivity caused by a strong signal near the received frequency?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E8A12

26. What is an advantage of using digital signals instead of analog signals to convey the same information?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E6C07

27. What best describes a pull-up or pull-down resistor?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E4B17

28. What three test loads are used to calibrate a standard RF vector network analyzer?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E5C09

29. When using rectangular coordinates to graph the impedance of a circuit, what does the horizontal axis represent?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E2D07

30. What digital protocol is used by APRS?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E8B06

31. What is the deviation ratio of an FM-phone signal having a maximum frequency swing of plus or minus 7.5 kHz when the maximum modulation frequency is 3.5 kHz?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E9B12

32. What is the far field of an antenna?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E6D10

33. What is a primary advantage of using a toroidal core instead of a solenoidal core in an inductor?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E5B03

34. What happens to the phase angle of a reactance when it is converted to a susceptance?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E9H01

35. When constructing a Beverage antenna, which of the following factors should be included in the design to achieve good performance at the desired frequency?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E9D05

36. What is a disadvantage of using a multiband trapped antenna?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E6E05

37. Which of the following noise figure values is typical of a low-noise UHF preamplifier?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E3C01

38. What does the term ray tracing describe in regard to radio communications?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

Figure

E7B13

39. In Figure E7-2, what is the purpose of R?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E9E12

40. What is the primary purpose of a phasing line when used with an antenna having multiple driven elements?

E1B10

41. What frequencies are authorized to an amateur station operating under RACES rules?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E7E04

42. What is one way a single-sideband phone signal can be generated?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E4C10

43. Which of the following is a desirable amount of selectivity for an amateur RTTY HF receiver?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E7C08

44. Which of the following factors has the greatest effect in helping determine the bandwidth and response shape of a crystal ladder filter?

E1A11

45. Which of the following describes authorization or licensing required when operating an amateur station aboard a U.S.-registered vessel in international waters?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E2B11

46. What is the function of the Vertical Interval Signaling (VIS) code sent as part of an SSTV transmission?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E8D04

47. What is the primary effect of extremely short rise or fall time on a CW signal?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E4A15

48. What is an advantage of a period-measuring frequency counter over a direct-count type?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E9F09

49. What is the approximate physical length of a solid polyethylene dielectric coaxial transmission line that is electrically one-quarter wavelength long at 7.2 MHz?

Study material for this question can be found in the following resources:

Additional reference material is listed on my Study Materials page.

E5D11

50. What is the power factor of an R-L circuit having a 60 degree phase angle between the voltage and the current?