Practice Exam

T8A04

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

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

T0A02

2. What health hazard is posed by electrical current flowing through the body?

• A. It may disrupt the electrical functions of cells
• B. It may cause injury by heating body tissue
• C. All these choices are correct
• D. It may cause involuntary muscle contractions

T1B08

3. How are US amateurs restricted in segments of bands where the Amateur Radio Service is secondary?

• A. U.S. amateurs must give foreign amateur stations priority in those segments
• B. International communications are not permitted in those segments
• C. U.S. amateurs may find non-amateur stations in those segments, and must avoid interfering with them
• D. Digital transmissions are not permitted in those segments

T1E10

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

• A. Operating the station over the internet
• B. A software defined radio (SDR)
• C. Controlling a model aircraft, boat, or car by amateur radio
• D. Earth-Moon-Earth (EME) communication

T5C08

5. What formula is used to calculate electrical power (P) in a DC circuit?

• A. P = I / E
• B. P = I2 x E
• C. P = E / I
• D. P = I x E

T1D08

6. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. When the communication is related to the sale of amateur equipment by the control operator's employer
• B. All these choices are correct
• C. When the communication is a part of classroom instruction at an educational institution
• D. When the communication is made to obtain emergency information for a local broadcast station

T8C03

7. What operating activity involves contacting as many stations as possible during a specified period?

• A. Net operations
• B. Simulated emergency exercises
• C. Hidden transmitter hunts
• D. Contesting

T2C06

8. What is the Amateur Radio Emergency Service (ARES)?

• A. A group of licensed amateurs who are members of the military and who voluntarily agreed to provide message handling services in the case of an emergency
• B. A group of licensed amateurs who have voluntarily registered their qualifications and equipment for communications duty in the public service
• C. A training program that provides licensing courses for those interested in obtaining an amateur license to use during emergencies
• D. A training program that certifies amateur operators for membership in the Radio Amateur Civil Emergency Service

T3C01

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

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

T6A08

10. What is the function of an SPDT switch?

• A. Two circuits are each switched between one of two other circuits
• B. Two circuits are opened or closed
• C. A single circuit is switched between one of two other circuits
• D. A single circuit is opened or closed

T7D06

11. Which of the following can damage a multimeter?

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

T8B06

12. Which of the following are inputs to a satellite tracking program?

• A. All these choices are correct
• B. The Keplerian elements
• C. The satellite transmitted power
• D. The last observed time of zero Doppler shift

T5D05

13. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 0.125 ohms
• B. 8 ohms
• C. 18 ohms
• D. 13.5 ohms

T8D06

14. What does the abbreviation "PSK" mean?

• A. Pulse Shift Keying
• B. Packet Sampled Keying
• C. Power Sampled Keying
• D. Phase Shift Keying

T9A06

15. Which of the following types of antennas offers the greatest gain?

• A. 5/8 wave vertical
• B. Isotropic
• C. Yagi
• D. J pole

T0B08

16. Which is a proper grounding method for a tower?

• A. Separate eight-foot ground rods for each tower leg, bonded to the tower and each other
• B. A ferrite-core RF choke connected between the tower and ground
• C. A single four-foot ground rod, driven into the ground no more than 12 inches from the base
• D. A connection between the tower base and a cold-water pipe

T6C05

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

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

T6B07

18. What causes a light-emitting diode (LED) to emit light?

• A. Capacitively-coupled RF signal
• B. Inductively-coupled RF signal
• C. Reverse current
• D. Forward current

T9B10

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

• A. RG-58 cable can handle higher power levels
• 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 has two shields

T4A09

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

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

T3A09

21. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. Both the transmitting and receiving antennas must be of the same polarization
• B. FM voice is unusable
• C. Digital modes are unusable
• D. Either vertically or horizontally polarized antennas may be used for transmission or reception

T2B02

22. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. Tone burst
• B. Carrier squelch
• C. CTCSS
• D. DTMF

T1A04

23. How do you receive official notification of your new license and call sign after passing the exam?

• A. Email from the lead volunteer examiner
• B. Email from the FCC with a link to download the license grant
• C. USPS First-Class Mail from the FCC
• D. USPS First-Class Mail from the lead volunteer examiner

T4B10

24. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

• A. 5000 Hz
• B. 1000 Hz
• C. 500 Hz
• D. 2400 Hz

T6D05

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

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

T3B09

26. What frequency range is referred to as UHF?

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

T0C09

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

• A. By using only Underwriter Laboratories approved transmitting equipment
• B. By re-evaluating the station whenever an item in the transmitter or antenna system is changed
• C. By making sure your antennas have low SWR
• D. By informing the FCC of any changes made in your station

T7B03

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

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

T2A01

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

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

T7C06

30. What does an SWR reading of 4:1 indicate?

• A. Impedance mismatch
• B. Good impedance match
• C. Gain of +4 dB
• D. Loss of -4 dB

T5A04

31. What term describes the number of times per second that an alternating current makes a complete cycle?

• A. Wavelength
• B. Pulse rate
• C. Frequency
• D. Wave number

T7A06

32. What device converts the RF input and output of a transceiver to another band?

• A. High-pass filter
• B. Phase converter
• C. Low-pass filter
• D. Transverter

T5B06

33. Which is equal to 3000 milliamperes?

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

T1F03

34. When are you required to transmit your assigned call sign?

• A. At least every 10 minutes during and at the end of a communication
• B. At least once during each transmission
• C. At least every 15 minutes during and at the end of a communication
• D. At the beginning of each contact, and every 10 minutes thereafter

T1C03

35. What types of international communications are FCC-licensed amateur radio stations permitted to make?

• A. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character
• B. Communications incidental to conducting business or remarks of a personal nature
• C. Only communications incidental to contest exchanges; all other communications are prohibited
• D. Any communications that would be permitted by an international broadcast station