Practice Exam

T5B06

1. Which is equal to 3000 milliamperes?

• A. 3 amperes
• B. 0.3 amperes
• C. 3,000,000 amperes
• D. 0.003 amperes

T6C05

2. What is component 4 in figure T-1?

• A. Transistor
• B. Resistor
• C. Battery
• D. Ground symbol

T9B06

3. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. Type N
• B. UHF (PL-259/SO-239)
• C. RS-213
• D. DB-25

T6D03

4. Which of the following is a reason to use shielded wire?

• A. To prevent coupling of unwanted signals to or from the wire
• B. To increase the current carrying capability of the wire
• C. To decrease the resistance of DC power connections
• D. To couple the wire to other signals

T7D11

5. Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

• A. Ensure that the circuit is not powered
• B. Ensure that the applied voltages are correct
• C. Ensure that the circuit is grounded
• D. Ensure that the circuit is operating at the correct frequency

T1F06

6. Which of the following self-assigned indicators are acceptable when using a phone transmission?

• A. KL7CC stroke W3
• B. KL7CC slash W3
• C. All these choices are correct
• D. KL7CC slant W3

T2C01

7. When do FCC rules NOT apply to the operation of an amateur station?

• A. FCC rules always apply
• B. When operating under special ARES rules
• C. When operating under special FEMA rules
• D. When operating a RACES station

T1E10

8. Which of the following is an example of remote control as defined in Part 97?

• A. All these choices are correct
• B. Repeater operation
• C. Controlling a model aircraft, boat, or car by amateur radio
• D. Operating the station over the internet

T4A04

9. How are the transceiver audio input and output connected in a station configured to operate using FT8?

• A. To an FT8 conversion unit, a keyboard, and a computer monitor
• B. To a computer connected to the FT8converter.com website
• C. To a computer running a terminal program and connected to a terminal node controller unit
• D. To the audio input and output of a computer running WSJT-X software

T5A01

10. Electrical current is measured in which of the following units?

• A. Ohms
• B. Volts
• C. Watts
• D. Amperes

T6A12

11. What type of switch is represented by component 3 in figure T-2?

• A. Single-pole double-throw
• B. Double-pole double-throw
• C. Single-pole single-throw
• D. Double-pole single-throw

T3A02

12. What is the effect of vegetation on UHF and microwave signals?

• A. Knife-edge diffraction
• B. Amplification
• C. Polarization rotation
• D. Absorption

T1C04

13. What may happen if the FCC is unable to reach you by email?

• A. Revocation of access to the license record in the FCC system
• B. Nothing; there is no such requirement
• C. Revocation of the station license or suspension of the operator license
• D. Fine and suspension of operator license

T8A04

14. Which type of modulation is commonly used for VHF and UHF voice repeaters?

• A. SSB
• B. AM
• C. FM or PM
• D. PSK

T5C05

15. What is the unit of impedance?

• A. The volt
• B. The ohm
• C. The coulomb
• D. The ampere

T8D10

16. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. All these choices are correct
• B. Meteor scatter
• C. Earth-Moon-Earth
• D. Weak signal propagation beacons

T1B04

17. Which amateur band includes 146.52 MHz?

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

T1D10

18. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Two-way transmissions by amateur stations
• B. Any transmission made by the licensed station
• C. Transmissions intended for reception by the general public
• D. Transmission of messages directed only to amateur operators

T2B03

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

• A. Multiple repeaters with the same control operator
• B. A system of repeaters linked by APRS
• 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

T3B07

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

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

T0B09

21. Why should you avoid attaching an antenna to a utility pole?

• A. All these choices are correct
• B. The antenna will not work properly because of induced voltages
• C. The 60 Hz radiations from the feed line may increase the SWR
• D. The antenna could contact high-voltage power lines

T2A04

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

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

T9A09

23. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 6
• B. 50
• C. 112
• D. 236

T0C07

24. What hazard is created by touching an antenna during a transmission?

• A. All these choices are correct
• B. Electrocution
• C. RF burn to skin
• D. Radiation poisoning

T0A09

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

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

T3C11

26. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

• A. The atmosphere refracts radio waves slightly
• B. Radio waves are blocked by dust particles
• C. Radio signals move somewhat faster than the speed of light
• D. Radio waves are not blocked by dust particles

T8C09

27. Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

• A. IRLP
• B. D-STAR
• C. DMR
• D. EchoLink

T8B02

28. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Possibility of rebooting the satellite control computer
• B. Blocking access by other users
• C. Possibility of commanding the satellite to an improper mode
• D. Overloading the satellite batteries

T7B06

29. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• B. All these choices are correct
• C. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• D. Immediately turn off your transmitter and contact the nearest FCC office for assistance

T4B12

30. What is the result of tuning an FM receiver above or below a signal's frequency?

• A. Sideband inversion
• B. Distortion of the signal's audio
• C. Change in audio pitch
• D. Generation of a heterodyne tone

T7A02

31. What is a transceiver?

• A. A device for matching feed line impedance to 50 ohms
• B. A device for converting receiver and transmitter frequencies to another band
• C. A device for automatically sending and decoding Morse code
• D. A device that combines a receiver and transmitter

T7C08

32. Which instrument can be used to determine SWR?

• A. Iambic pentameter
• B. Ohmmeter
• C. Directional wattmeter
• D. Voltmeter

T1A07

33. What is the FCC Part 97 definition of a space station?

• A. An amateur station using amateur radio satellites for relay of signals
• B. Any satellite orbiting Earth
• C. An amateur station located more than 50 km above Earth's surface
• D. A manned satellite orbiting Earth

T5D01

34. 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

T6B06

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

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