Practice Exam  - Element 2:  "EXTRA  CLASS"

Expires June 30, 2016

   E1A03 - 2
   1. With your transceiver displaying the carrier frequency of phone signals, you hear a DX station's CQ on 14.349 MHz USB. Is it legal to return the call using upper sideband on the same frequency?


   E1B05 - 3
   2. What is the maximum bandwidth for a data emission on 60 meters?


   E1C08 - 1
    3. What is the maximum permissible duration of a remotely controlled station's transmissions if its control link malfunctions?


   E1D03 - 1
   4. What is a telecommand station in the amateur satellite service?


   E1E13 - 0
   5. What are the consequences of failing to appear for re-administration of an examination when so directed by the FCC?


   E1F11 - 3
   6. Which of the following best describes one of the standards that must be met by an external RF power amplifier if it is to qualify for a grant of FCC certification?


   E2A03 - 2
   7. What is the orbital period of an Earth satellite?

   E2B18 - 3
   8. On which of the following frequencies is one likely to find FM ATV transmissions?

   E2C01 - 0
   9. Which of the following is true about contest operating?

   E2D11 - 3
   10. Which of the following data are used by the APRS network to communicate your location?

   E2E12 - 0
    11. Which type of digital communication does not support keyboard-to-keyboard operation?

   E3A08 - 0
   12. When a meteor strikes the Earth's atmosphere, a cylindrical region of free electrons is formed at what layer of the ionosphere?

   E3B09 - 0
   13. At what time of day is gray-line propagation most likely to occur?

   E3C05 - 1
   14. Which of the following describes selective fading?

   E4A05 - 1
   15. Which of the following test instruments is used to display intermodulation distortion products in an SSB transmission?

   E4B02 - 2
   16. What is an advantage of using a bridge circuit to measure impedance?

   E4C10 - 1
   17. Which of the following is a desirable amount of selectivity for an amateur RTTY HF receiver?

   E4D03 - 1
   18. How can intermodulation interference between two repeaters occur?

   E4E06 - 1
   19. What is a major cause of atmospheric static?

   E5A08 - 2
   20. What is the phase relationship between the current through and the voltage across a series resonant circuit at resonance?

   E5B10 - 0
   21. What is the relationship between the current through an inductor and the voltage across an inductor?

   E5C19 - 1
   22. Which point on Figure E5-2 best represents that impedance of a series circuit consisting of a 400 ohm resistor and a 38 picofarad capacitor at 14 MHz?

   E5D02 - 2
   23. Why is the resistance of a conductor different for RF currents than for direct currents?

   E6A06 - 1
   24. What is the beta of a bipolar junction transistor?

   E6B01 - 1
   25. What is the most useful characteristic of a Zener diode?

   E6C08 - 1
   26. In Figure E6-5, what is the schematic symbol for a NAND gate?

   E6D02 - 1
   27. Exceeding what design rating can cause a cathode ray tube (CRT) to generate X-rays?

   E6E04 - 0
   28. What is the most common input and output impedance of circuits that use MMICs?

   E6F04 - 1
   29. What is the photovoltaic effect?

   E7A04 - 1
   30. How many flip-flops are required to divide a signal frequency by 4?

   E7B10 - 1
   31. In Figure E7-1, what is the purpose of R1 and R2?

   E7C03 - 0
   32. What advantage does a Pi-L-network have over a Pi-network for impedance matching between the final amplifier of a vacuum-tube transmitter and an antenna?

   E7D12 - 3
   33. What is the purpose of R2 in the circuit shown in Figure E7-3?

   E7E03 - 2
   34. How does an analog phase modulator function?

   E7F03 - 0
   35. What is the function of a decade counter digital IC?

   E7G12 - 0
   36. What is an integrated circuit operational amplifier?

   E7H11 - 2
   37. What are the major spectral impurity components of direct digital synthesizers?

   E8A14 - 0
   38. Which of these methods is commonly used to convert analog signals to digital signals?

   E8B08 - 3
   39. What parameter does the modulating signal vary in a pulse-position modulation system?

   E8C02 - 1
   40. What are some of the differences between the Baudot digital code and ASCII?

   E8D16 - 0
   41. What is the RMS value of a 340-volt peak-to-peak pure sine wave?

   E9A04 - 0
   42. Why would one need to know the feed point impedance of an antenna?

   E9B04 - 3
   43. What may occur when a directional antenna is operated at different frequencies within the band for which it was designed?

   E9C04 - 1
   44. Which of the following describes a basic unterminated rhombic antenna?

   E9D14 - 1
   45. Which of the following types of conductor would be best for minimizing losses in a station's RF ground system?

   E9E05 - 0
   46. How must the driven element in a 3-element Yagi be tuned to use a hairpin matching system?

   E9F15 - 0
   47. What impedance does a 1/2-wavelength transmission line present to a generator when the line is open at the far end?

   E9G08 - 2
   48. What is the process of normalization with regard to a Smith chart?

   E9H09 - 2
   49. Which of the following describes the construction of a receiving loop antenna?

   E0A01 - 2
   50. What, if any, are the differences between the radiation produced by radioactive materials and the electromagnetic energy radiated by an antenna?