Practice Exam

T7B04

1. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Ferrite choke
• B. Band-pass filter
• C. Low-pass filter
• D. Preamplifier

T9A03

2. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A ground-wave antenna
• B. A horizontally polarized antenna
• C. A travelling-wave antenna
• D. A vertically polarized antenna

T0B03

3. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. When the work being done is not more than 20 feet above the ground
• B. When no electrical work is being performed
• C. Never
• D. When no mechanical work is being performed

T1B03

4. Which frequency is in the 6 meter amateur band?

• A. 222.15 MHz
• B. 28.50 MHz
• C. 52.525 MHz
• D. 49.00 MHz

T1C11

5. 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 one year
• C. Yes, for up to two years
• D. No, you must wait until the license has been renewed

T7D04

6. Which instrument is used to measure electric current?

• A. An ammeter
• B. An electrometer
• C. An ohmmeter
• D. A voltmeter

T1D03

7. When is it permissible to transmit messages encoded to obscure their meaning?

• A. Only when transmitting control commands to space stations or radio control craft
• B. Never
• C. Only when transmitting certain approved digital codes
• D. Only during contests

T7C07

8. What happens to power lost in a feed line?

• A. It distorts the signal
• B. It is radiated as harmonics
• C. It is converted into heat
• D. It increases the SWR

T8D04

9. What type of transmission is indicated by the term "NTSC?"

• A. A frame compression scheme for TV signals
• B. A Normal Transmission mode in Static Circuit
• C. An analog fast-scan color TV signal
• D. A special mode for satellite uplink

T1F11

10. Which of the following is a requirement for the issuance of a club station license grant?

• A. The club must be registered with the American Radio Relay League
• B. All these choices are correct
• C. The trustee must have an Amateur Extra Class operator license grant
• D. The club must have at least four members

T2C08

11. Which of the following is a characteristic of good traffic handling?

• A. Making decisions as to whether messages are worthy of relay or delivery
• B. Ensuring that any newsworthy messages are relayed to the news media
• C. Passing messages exactly as received
• D. All these choices are correct

T6A09

12. What electrical component is used to protect other circuit components from current overloads?

• A. All these choices are correct
• B. Varactor
• C. Fuse
• D. Thyratron

T0A09

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

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

T3C02

14. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. There is less atmospheric interference (static) on HF
• B. HF accommodates wider bandwidth signals
• C. Long-distance ionospheric propagation is far more common on HF
• D. HF antennas are generally smaller

T5A10

15. Which term describes the rate at which electrical energy is used?

• A. Power
• B. Voltage
• C. Current
• D. Resistance

T5B02

16. Which is equal to 1,500,000 hertz?

• A. 1500 MHz
• B. 150 kHz
• C. 1500 kHz
• D. 15 GHz

T4B04

17. What is a way to enable quick access to a favorite frequency or channel on your transceiver?

• A. Store it in a memory channel
• B. Use the scan mode to select the desired frequency
• C. Enable the frequency offset
• D. Enable the VOX

T1E09

18. Which of the following are required for remote control operation?

• A. All these choices are correct
• B. A control operator is required at all times
• C. The control operator must be at the control point
• D. The control operator must indirectly manipulate the controls

T2A01

19. What is a common repeater frequency offset in the 2 meter band?

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

T8B08

20. 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 70 centimeter band and the downlink is in the 2 meter band
• C. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
• D. The satellite frequencies are usually variable

T2B07

21. How can you join a digital repeater's "talkgroup"?

• A. Register your radio with the local FCC office
• B. Join the repeater owner's club
• C. Program your radio with the group's ID or code
• D. Sign your call after the courtesy tone

T3B05

22. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency are unrelated
• B. Wavelength gets longer as frequency increases
• C. Wavelength gets shorter as frequency increases
• D. Wavelength and frequency increase as path length increases

T3A06

23. What is the meaning of the term "picket fencing"?

• A. A type of ground system used with vertical antennas
• B. Local vs long-distance communications
• C. Alternating transmissions during a net operation
• D. Rapid flutter on mobile signals due to multipath propagation

T6B05

24. What type of transistor has a gate, drain, and source?

• A. Bipolar junction
• B. Field-effect
• C. Varistor
• D. Tesla-effect

T1A09

25. Who selects a Frequency Coordinator?

• A. FCC Regional Field Office
• B. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
• C. The FCC Office of Spectrum Management and Coordination Policy
• D. The local chapter of the Office of National Council of Independent Frequency Coordinators

T5D01

26. What formula is used to calculate current in a circuit?

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

T9B10

27. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. RG-58 cable has two shields
• B. There is no significant difference between the two types
• C. RG-213 cable has less loss at a given frequency
• D. RG-58 cable can handle higher power levels

T8A08

28. What is the approximate bandwidth of a typical single sideband (SSB) voice signal?

• A. 6 kHz
• B. 15 kHz
• C. 1 kHz
• D. 3 kHz

T4A12

29. What is an electronic keyer?

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

T6C06

30. What is component 6 in figure T-2?

• A. Transistor
• B. Capacitor
• C. Resistor
• D. Regulator IC

T0C09

31. How can you make sure your station stays in compliance with RF safety regulations?

• A. All these choices are correct
• B. By making sure your antennas have low SWR
• C. By re-evaluating the station whenever an item in the transmitter or antenna system is changed
• D. By informing the FCC of any changes made in your station

T6D10

32. What is the function of component 2 in figure T-1?

• A. Supply electrical energy
• B. Control the flow of current
• C. Convert electrical energy into radio waves
• D. Give off light when current flows through it

T7A03

33. Which of the following is used to convert a signal from one frequency to another?

• A. Amplifier
• B. Phase splitter
• C. Mixer
• D. Inverter

T8C08

34. What is the Internet Radio Linking Project (IRLP)?

• A. A system for providing access to websites via amateur radio
• B. A system for informing amateurs in real time of the frequency of active DX stations
• C. A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
• D. A technique for measuring signal strength of an amateur transmitter via the internet

T5C11

35. How much current is required to deliver 120 watts at a voltage of 12 volts DC?

• A. 132 amperes
• B. 12 amperes
• C. 10 amperes
• D. 0.1 amperes