Practice Exam

T6D11

1. Which of the following is a resonant or tuned circuit?

• A. A resistor circuit used for reducing standing wave ratio
• B. An inductor and a capacitor in series or parallel
• C. A linear voltage regulator
• D. A circuit designed to provide high-fidelity audio

T5C12

2. What is impedance?

• A. The inverse of resistance
• B. The power handling capability of a component
• C. The opposition to AC current flow
• D. The inverse of reactance

T1C10

3. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. As soon as your operator/station license grant appears in the FCC's license database
• B. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
• C. As soon as your operator/station license grant appears on the ARRL website
• D. As soon as you receive your license in the mail from the FCC

T2A03

4. What is a common repeater frequency offset in the 70-centimeter band?

• A. Plus or minus 5 MHz
• B. Plus or minus 600 kHz
• C. Plus or minus 1 MHz
• D. Plus or minus 500 kHz

T1F01

5. When must the station licensee make the station and the station records available for inspection?

• A. At any time after a written notification by the FCC of such inspection
• B. At any time ten days after notification by the FCC of such an inspection
• C. Only when presented with a valid warrant by an FCC official or government agent
• D. At any time upon request by an FCC representative

T7B01

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

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

T4B02

7. Which of the following can be used to enter a transceiver's operating frequency?

• A. The Automatic Frequency Control
• B. All these choices are correct
• C. The keypad or VFO knob
• D. The CTCSS or DTMF encoder

T5A11

8. What type of current flow is opposed by resistance?

• A. RF current
• B. Direct current
• C. Alternating current
• D. All these choices are correct

T8A11

9. What is the approximate bandwidth required to transmit a CW signal?

• A. 150 Hz
• B. 2.4 kHz
• C. 1000 Hz
• D. 15 kHz

T9A05

10. Which of the following increases the resonant frequency of a dipole antenna?

• A. Lengthening it
• B. Adding capacitive loading to the ends of the radiating wires
• C. Shortening it
• D. Inserting coils in series with radiating wires

T5B04

11. Which is equal to one microvolt?

• A. One million volts
• B. One one-millionth of a volt
• C. One one-thousandth of a volt
• D. One thousand kilovolts

T3A02

12. How does vegetation affect UHF and microwave signals?

• A. Has no effect
• B. Absorbs signals, leading to poor reception of weak signals
• C. Causes knife-edge diffraction, distorting voice peaks
• D. Amplifies signals, improving reception of weak signals

T2B06

13. What type of signaling to a repeater uses two simultaneous audio tones?

• A. DTMF
• B. D-STAR
• C. GMRS
• D. CTCSS

T1A11

14. Which of the following is prohibited?

• A. All these choices are correct
• B. International communications on VHF bands and higher frequencies
• C. Willful or malicious interference
• D. Third-party traffic using digital modes

T8B11

15. Who is permitted to receive telemetry from an amateur radio satellite?

• A. Only the control operator or a licensed radio amateur who has received the encryption key from the control operator
• B. Anyone
• C. Only a licensed radio amateur who has received the encryption key from AMSAT
• D. Only the satellite control operator

T0A09

16. What should be done to all external ground rods or earth connections?

• A. Waterproof them with silicone caulk or electrical tape
• B. Bond them together with heavy wire or conductive strap
• C. Tune them for resonance on the lowest frequency of operation
• D. Keep them as far apart as possible

T1B04

17. Which amateur band includes 146.52 MHz?

• A. 20 meters
• B. 6 meters
• C. 70 centimeters
• D. 2 meters

T7C11

18. What is an advantage of foam-dielectric versus solid-dielectric coaxial cable?

• A. It has less loss per foot
• B. It has a better impedance match to 50 ohms
• C. It is more resistant to moisture contamination
• D. It has higher voltage breakdown

T8D04

19. What is meant by the term "NTSC?"

• A. A digital transmission standard for encrypting data
• B. An analog fast-scan color TV signal
• C. A special mode for satellite uplink
• D. A frame compression scheme for TV signals

T3C01

20. Why are simplex UHF signals rarely heard beyond their radio horizon?

• A. UHF signals are absorbed by the ionospheric D region
• B. They are too weak to go very far
• C. FCC regulations prohibit them from going more than 50 miles
• D. UHF signals are usually not propagated by the ionosphere

T6C09

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

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

T2C02

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

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

T7A11

23. What is the function of the Variable Frequency Oscillator (VFO) circuit in a transceiver?

• A. Set the receive and transmit frequency
• B. Generate and demodulate single sideband signals
• C. Provide automatic frequency control
• D. Inject a variable frequency to allow CW reception

T3B09

24. What frequency range is referred to as UHF?

• A. 300 to 3000 kHz
• B. 30 to 300 MHz
• C. 30 to 300 kHz
• D. 300 to 3000 MHz

T0C08

25. Which of the following actions can reduce exposure to RF radiation?

• A. Relocate the transmitter
• B. Increase the duty cycle
• C. Relocate antennas
• D. All these choices are correct

T6B12

26. What are the names of the electrodes of a bipolar junction transistor?

• A. Pole one, pole two, output
• B. Input, output, supply
• C. Emitter, base, collector
• D. Signal, bias, power

T0B04

27. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Look for and stay clear of any overhead electrical wires
• B. All these choices are correct
• C. Insulate the base of the tower to avoid lightning strikes
• D. Wear a ground strap connected to your wrist at all times

T4A09

28. How can you determine the length of time that equipment can be powered from a battery?

• A. Divide the watt-hour rating of the battery by the peak power consumption of the equipment
• B. Divide the battery ampere-hour rating by the average current draw of the equipment
• C. Multiply the square of the current rating of the battery by the input resistance of the equipment
• D. Multiply the watts per hour consumed by the equipment by the battery power rating

T7D10

29. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Decreasing resistance with time
• B. Increasing resistance with time
• C. Alternating between open and short circuit
• D. Steady full-scale reading

T9B02

30. What is the most common impedance of coaxial cables used in amateur radio?

• A. 12 ohms
• B. 50 ohms
• C. 8 ohms
• D. 600 ohms

T1D11

31. When may an amateur station transmit without identifying on the air?

• A. When the transmissions are unmodulated
• B. When the transmissions are of a brief nature to make station adjustments
• C. When transmitting signals to control model craft
• D. When the transmitted power level is below 0.1 watt

T8C05

32. What is a grid locator?

• A. An instrument for radio direction finding
• B. A letter-number designator assigned to a geographic location
• C. A letter-number designator assigned to an azimuth and elevation
• D. An instrument for locating faults in power amplifiers

T1E01

33. When may an amateur station transmit without a control operator?

• A. Never
• B. When using automatic control, such as in the case of a repeater
• C. When the transmitting station is an auxiliary station
• D. When the station licensee is away and another licensed amateur is using the station

T5D06

34. What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

• A. 3 ohms
• B. 8 ohms
• C. 48 ohms
• D. 16 ohms

T6A07

35. What electrical component is typically constructed as a coil of wire?

• A. Transistor
• B. Capacitor
• C. Diode
• D. Inductor