Practice Exam

T7D01

1. Which instrument would you use to measure electric potential?

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

T5B10

2. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -3 dB
• B. -6 dB
• C. -9 dB
• D. -1 dB

T6B12

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

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

T2C07

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

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

T8C02

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

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

T1A11

6. When is willful interference to other amateur radio stations permitted?

• A. When making short test transmissions
• B. To stop another amateur station that is breaking the FCC rules
• C. At any time, stations in the Amateur Radio Service are not protected from willful interference
• D. At no time

T9B08

7. Which of the following is a source of loss in coaxial feed line?

• A. Water intrusion into coaxial connectors
• B. Multiple connectors in the line
• C. High SWR
• D. All these choices are correct

T1D11

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

• A. When the transmissions are unmodulated
• B. When transmitting signals to control model craft
• C. When the transmitted power level is below 1 watt
• D. When the transmissions are of a brief nature to make station adjustments

T1B05

9. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Emergency traffic only
• B. Fixed digital message forwarding systems only
• C. Spread spectrum only
• D. Fast-scan television only

T2B09

10. Why are simplex channels designated in the VHF/UHF band plans?

• A. So stations with simple transmitters can access the repeater without automated offset
• B. So stations within range of each other can communicate without tying up a repeater
• C. For working DX only
• D. For contest operation

T3C02

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

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

T8A10

12. What is the approximate bandwidth of AM fast-scan TV transmissions?

• A. About 1 MHz
• B. More than 10 MHz
• C. About 6 MHz
• D. About 3 MHz

T0B10

13. Which of the following is true when installing grounding conductors used for lightning protection?

• A. Use only non-insulated wire
• B. Sharp bends must be avoided
• C. Common grounds must be avoided
• D. Wires must be carefully routed with precise right-angle bends

T3A06

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

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

T8D05

15. Which of the following is an application of APRS?

• A. Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
• B. Providing information on the number of stations signed into a repeater
• C. Providing voice over internet connection between repeaters
• D. Showing automatically the number of packets transmitted via PACTOR during a specific time interval

T8B08

16. 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

T7A02

17. What is a transceiver?

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

T1E03

18. Who must designate the station control operator?

• A. The frequency coordinator
• B. The station licensee
• C. The FCC
• D. Any licensed operator

T0A08

19. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In parallel with the hot conductor only
• B. In parallel with the hot and neutral conductors
• C. In series with the hot conductor only
• D. In series with the hot and neutral conductors

T3B08

20. What frequency range is referred to as VHF?

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

T2A03

21. What is a common repeater frequency offset in the 70 cm band?

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

T4A07

22. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line out" to transceiver speaker connector
• B. Computer "line in" to transceiver push-to-talk
• C. Computer "line out" to transceiver push-to-talk
• D. Computer "line in" to transceiver speaker connector

T6D05

23. What type of circuit controls the amount of voltage from a power supply?

• A. Regulator
• B. Phase inverter
• C. Filter
• D. Oscillator

T6A11

24. Which of the following battery chemistries is not rechargeable?

• A. Carbon-zinc
• B. Lithium-ion
• C. Nickel-cadmium
• D. Lead-acid

T1F11

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

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

T1C05

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

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

T7C03

27. What does a dummy load consist of?

• A. A non-inductive resistor mounted on a heat sink
• B. A low-voltage power supply and a DC relay
• C. A high-gain amplifier and a TR switch
• D. A 50-ohm reactance used to terminate a transmission line

T4B09

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

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

T6C04

29. What is component 3 in figure T-1?

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

T9A10

30. In which direction does a half-wave dipole antenna radiate the strongest signal?

• A. Equally in all directions
• B. Broadside to the antenna
• C. In the direction of the feed line
• D. Off the ends of the antenna

T0C01

31. What type of radiation are radio signals?

• A. Non-ionizing radiation
• B. Alpha radiation
• C. Gamma radiation
• D. Ionizing radiation

T5C04

32. What is the unit of inductance?

• A. The ohm
• B. The henry
• C. The coulomb
• D. The farad

T5D06

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

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

T5A11

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

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

T7B03

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

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