Practice Exam

T0A10

1. What hazard is caused by charging or discharging a battery too quickly?

• A. Overheating or out-gassing
• B. Excess output ripple
• C. Half-wave rectification
• D. Inverse memory effect

T1D01

2. With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

• A. Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications
• B. Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
• C. Any country banned from making such communications by the American Radio Relay League (ARRL)
• D. Any country banned from such communications by the International Amateur Radio Union (IARU)

T1F10

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

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

T1C05

4. Which of the following is a valid Technician class call sign format?

• A. All these choices are correct
• B. W1XX
• C. KA1X
• D. KF1XXX

T0B11

5. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

• A. FCC Part 97 rules
• B. FAA tower lighting regulations
• C. Local electrical codes
• D. UL recommended practices

T7C01

6. What is the primary purpose of a dummy load?

• A. To prevent over-modulation of a transmitter
• B. To prevent transmitting signals over the air when making tests
• C. To improve the efficiency of an antenna
• D. To improve the signal-to-noise ratio of a receiver

T6D01

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

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

T5C10

8. How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

• A. 14.5 watts
• B. 30 watts
• C. 4.8 watts
• D. 0.208 watts

T4B05

9. What does the scanning function of an FM transceiver do?

• A. Prevents interference to nearby repeaters
• B. Checks incoming signal deviation
• C. Checks for messages left on a digital bulletin board
• D. Tunes through a range of frequencies to check for activity

T8D09

10. What is CW?

• A. Another name for a Morse code transmission
• B. A digital mode used primarily on 2 meter FM
• C. A technique for coil winding
• D. A type of electromagnetic propagation

T5A11

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

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

T7B03

12. Which of the following can cause radio frequency interference?

• A. All these choices are correct
• B. Harmonics
• C. Spurious emissions
• D. Fundamental overload

T2B03

13. Which of the following describes a linked repeater network?

• A. A system of repeaters linked by APRS
• B. Multiple repeaters with the same control operator
• C. A single repeater with more than one receiver
• D. A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

T1A04

14. How many operator/primary station license grants may be held by any one person?

• A. One
• B. One for each permanent station location from which the person plans to operate
• C. One for each band on which the person plans to operate
• D. No more than two

T3A03

15. What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

• A. Horizontal
• B. Vertical
• C. Left-hand circular
• D. Right-hand circular

T9B05

16. What happens as the frequency of a signal in coaxial cable is increased?

• A. The loss increases
• B. The characteristic impedance decreases
• C. The loss decreases
• D. The characteristic impedance increases

T1B06

17. On which HF bands does a Technician class operator have phone privileges?

• A. 10 meter band only
• B. 80 meter, 40 meter, 15 meter, and 10 meter bands
• C. 30 meter band only
• D. None

T2A04

18. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say "CQ" three times, then the other station's call sign
• B. Say the station's call sign, then identify with your call sign
• C. Wait for the station to call CQ, then answer
• D. Say "break, break," then say the station's call sign

T6B02

19. What electronic component allows current to flow in only one direction?

• A. Resistor
• B. Diode
• C. Driven element
• D. Fuse

T7D06

20. Which of the following can damage a multimeter?

• A. Attempting to measure voltage when using the resistance setting
• B. Attempting to measure resistance using the voltage setting
• C. Not allowing it to warm up properly
• D. Failing to connect one of the probes to ground

T6C02

21. What is component 1 in figure T-1?

• A. Transistor
• B. Connector
• C. Battery
• D. Resistor

T5B05

22. Which is equal to 500 milliwatts?

• A. 50 watts
• B. 0.5 watts
• C. 5 watts
• D. 0.02 watts

T8B08

23. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite operates using ultraviolet frequencies
• B. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
• C. The satellite frequencies are usually variable
• D. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

T9A05

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

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

T6A03

25. What electrical parameter is controlled by a potentiometer?

• A. Resistance
• B. Inductance
• C. Capacitance
• D. Field strength

T0C10

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

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

T8C02

27. Which of these items would be useful for a hidden transmitter hunt?

• A. Calibrated SWR meter
• B. A directional antenna
• C. A calibrated noise bridge
• D. All these choices are correct

T2C07

28. Which of the following is standard practice when you participate in a net?

• A. Record the time of each of your transmissions
• B. When first responding to the net control station, transmit your call sign, name, and address as in the FCC database
• C. All these choices are correct
• D. Unless you are reporting an emergency, transmit only when directed by the net control station

T1E02

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

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

T7A05

30. What is the name of a circuit that generates a signal at a specific frequency?

• A. Phase modulator
• B. Oscillator
• C. Low-pass filter
• D. Reactance modulator

T4A11

31. Where should the negative power return of a mobile transceiver be connected in a vehicle?

• A. Through the transceiver's mounting bracket
• B. To any metal part of the vehicle
• C. At the 12 volt battery chassis ground
• D. At the antenna mount

T8A03

32. Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

• A. SSB
• B. FM
• C. DRM
• D. PM

T3C08

33. What causes tropospheric ducting?

• A. Updrafts from hurricanes and tornadoes
• B. Sunspots and solar flares
• C. Discharges of lightning during electrical storms
• D. Temperature inversions in the atmosphere

T3B07

34. In addition to frequency, which of the following is used to identify amateur radio bands?

• A. Channel numbers
• B. Traditional letter/number designators
• C. The approximate wavelength in meters
• D. All these choices are correct

T5D06

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

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