Practice Exam

T6D01

1. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Transformer
• B. Amplifier
• C. Rectifier
• D. Reflector

T1B12

2. Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

• A. 50 watts
• B. 100 watts
• C. 1500 watts
• D. 500 watts

T3C07

3. What band is best suited for communicating via meteor scatter?

• A. 33 centimeters
• B. 6 meters
• C. 70 centimeters
• D. 2 meters

T2B08

4. Which of the following applies when two stations transmitting on the same frequency interfere with each other?

• A. Use subaudible tones so both stations can share the frequency
• B. The stations should negotiate continued use of the frequency
• C. Interference is inevitable, so no action is required
• D. Both stations should choose another frequency to avoid conflict

T1E02

5. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Only an Amateur Extra Class operator
• B. Any amateur allowed to transmit on the satellite uplink frequency
• C. Only an Amateur Extra Class operator who is also an AMSAT member
• D. A General class or higher licensee with a satellite operator certification

T5D07

6. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 9600 amperes
• B. 0.667 amperes
• C. 1.5 amperes
• D. 200 amperes

T1A05

7. What proves that the FCC has issued an operator/primary license grant?

• A. An email notification from the NCVEC granting the license
• B. A printed copy of the certificate of successful completion of examination
• C. All these choices are correct
• D. The license appears in the FCC ULS database

T5B01

8. How many milliamperes is 1.5 amperes?

• A. 150 milliamperes
• B. 1500 milliamperes
• C. 15,000 milliamperes
• D. 15 milliamperes

T9B12

9. What is standing wave ratio (SWR)?

• A. A measure of how well a load is matched to a transmission line
• B. The transmitter efficiency ratio
• C. The ratio of amplifier power output to input
• D. An indication of the quality of your station's ground connection

T5C08

10. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E * I
• B. P = E / I
• C. P = E - I
• D. P = E + I

T6A08

11. What is the function of an SPDT switch?

• A. Two circuits are opened or closed
• B. Two circuits are each switched between one of two other circuits
• C. A single circuit is switched between one of two other circuits
• D. A single circuit is opened or closed

T0C10

12. Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

• A. It affects the average exposure to radiation
• B. It takes into account the antenna feed line loss
• C. It takes into account the thermal effects of the final amplifier
• D. It affects the peak exposure to radiation

T4B09

13. How is a specific group of stations selected on a digital voice transceiver?

• A. By activating automatic identification
• B. By entering the group's identification code
• C. By enabling the group's CTCSS tone
• D. By retrieving the frequencies from transceiver memory

T8B05

14. What is a satellite beacon?

• A. The primary transmit antenna on the satellite
• B. A reflective surface on the satellite
• C. An indicator light that shows where to point your antenna
• D. A transmission from a satellite that contains status information

T0B08

15. Which is a proper grounding method for a tower?

• A. A connection between the tower base and a cold water pipe
• B. A ferrite-core RF choke connected between the tower and ground
• C. A single four-foot ground rod, driven into the ground no more than 12 inches from the base
• D. Separate eight-foot ground rods for each tower leg, bonded to the tower and each other

T1F10

16. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. The owner of the repeater
• B. The control operator of the originating station
• C. The control operator of the repeater
• D. Both the originating station and the repeater owner

T8A12

17. Which of the following is a disadvantage of FM compared with single sideband?

• A. All these choices are correct
• B. Voice quality is poorer
• C. FM signals are harder to tune
• D. Only one signal can be received at a time

T0A01

18. Which of the following is a safety hazard of a 12-volt storage battery?

• A. All these choices are correct
• B. RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
• C. Touching both terminals with the hands can cause electrical shock
• D. Shorting the terminals can cause burns, fire, or an explosion

T1C11

19. If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

• A. Yes, as soon as you apply for renewal
• B. Yes, for up to two years
• C. Yes, for up to one year
• D. No, you must wait until the license has been renewed

T3A09

20. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. FM voice is unusable
• B. Either vertically or horizontally polarized antennas may be used for transmission or reception
• C. Both the transmitting and receiving antennas must be of the same polarization
• D. Digital modes are unusable

T7C06

21. What does an SWR reading of 4:1 indicate?

• A. Good impedance match
• B. Gain of +4 dB
• C. Impedance mismatch
• D. Loss of -4 dB

T7A11

22. Where is an RF preamplifier installed?

• A. Between the transmitter and the antenna tuner
• B. At the output of the receiver audio amplifier
• C. Between the antenna and receiver
• D. At the output of the transmitter power amplifier

T4A12

23. What is an electronic keyer?

• A. A device that assists in manual sending of Morse code
• B. An interlock to prevent unauthorized use of a radio
• C. A device for voice activated switching from receive to transmit
• D. A device for switching antennas from transmit to receive

T8C05

24. What is a grid locator?

• A. An instrument for radio direction finding
• B. An instrument for neutralizing a final amplifier
• C. A letter-number designator assigned to a geographic location
• D. A letter-number designator assigned to an azimuth and elevation

T9A02

25. Which of the following describes a type of antenna loading?

• A. Strengthening the radiating elements of a beam antenna to better resist wind damage
• B. Electrically lengthening by inserting inductors in radiating elements
• C. Inserting a resistor in the radiating portion of the antenna to make it resonant
• D. Installing a spring in the base of a mobile vertical antenna to make it more flexible

T5A08

26. Which of the following is a good electrical insulator?

• A. Aluminum
• B. Copper
• C. Glass
• D. Mercury

T1D04

27. Under what conditions is an amateur station authorized to transmit music using a phone emission?

• A. When transmissions are limited to less than three minutes per hour
• B. When the music produces no spurious emissions
• C. When incidental to an authorized retransmission of manned spacecraft communications
• D. When the music is transmitted above 1280 MHz

T6C09

28. What is component 4 in figure T-2?

• A. Transformer
• B. Double-pole switch
• C. Variable inductor
• D. Potentiometer

T6B06

29. How is the cathode lead of a semiconductor diode often marked on the package?

• A. With the word "cathode"
• B. With the letter C
• C. With a stripe
• D. With the letter K

T8D01

30. Which of the following is a digital communications mode?

• A. IEEE 802.11
• B. Packet radio
• C. All these choices are correct
• D. FT8

T2A12

31. What should you do before calling CQ?

• A. Make sure you are authorized to use that frequency
• B. All these choices are correct
• C. Ask if the frequency is in use
• D. Listen first to be sure that no one else is using the frequency

T2C02

32. Which of the following are typical duties of a Net Control Station?

• A. Choose the regular net meeting time and frequency
• B. All these choices are correct
• C. Call the net to order and direct communications between stations checking in
• D. Ensure that all stations checking into the net are properly licensed for operation on the net frequency

T7B01

33. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Let the transceiver cool off
• B. Talk louder into the microphone
• C. Change to a higher power level
• D. Talk farther away from the microphone

T3B06

34. What is the formula for converting frequency to approximate wavelength in meters?

• A. Wavelength in meters equals 300 divided by frequency in megahertz
• B. Wavelength in meters equals frequency in megahertz divided by 300
• C. Wavelength in meters equals frequency in hertz multiplied by 300
• D. Wavelength in meters equals frequency in hertz divided by 300

T7D02

35. How is a voltmeter connected to a component to measure applied voltage?

• A. In series
• B. In quadrature
• C. In parallel
• D. In phase