Practice Exam

T2B03

1. 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

T1C05

2. Which of the following is a valid Group D call sign format for Technician class?

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

T1A07

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

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

T0C05

4. Why do exposure limits vary with frequency?

• A. The human body absorbs more RF energy at some frequencies than at others
• B. Lower frequency RF fields have more energy than higher frequency fields
• C. Higher frequency RF fields are transient in nature
• D. Lower frequency RF fields do not penetrate the human body

T1E07

5. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. Only the station licensee
• B. The control operator and the station licensee
• C. Only the control operator
• D. All licensed amateurs who are present at the operation

T2A08

6. What is the meaning of the procedural signal "CQ"?

• A. Only the called station should transmit
• B. A shortened form of the term "Contest QSO"
• C. Calling any station
• D. "Communication Quality," used to indicate transmitted audio clarity

T3A08

7. What is a likely cause of irregular fading of signals propagated by the ionosphere?

• A. Random combining of signals arriving via different paths
• B. Interference from thunderstorms
• C. Intermodulation distortion
• D. Frequency shift due to Faraday rotation

T5C08

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

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

T2C07

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

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

T4A02

10. Which of the following should be considered when selecting an accessory SWR meter?

• A. The frequency and power level at which the measurements will be made
• B. The ability of the meter to compensate for a poor transmission line match to the antenna
• C. The distance that the meter will be located from the antenna
• D. The maximum SWR anticipated on the transmission line

T1B01

11. Which of the following frequency ranges are available for phone operation by Technician licensees?

• A. 28.500 MHz to 28.600 MHz
• B. 28.050 MHz to 28.150 MHz
• C. 28.300 MHz to 28.500 MHz
• D. 28.100 MHz to 28.300 MHz

T7A01

12. Which term describes the ability of a receiver to detect the presence of a signal?

• A. RF gain
• B. Total Harmonic Distortion
• C. Selectivity
• D. Sensitivity

T5B10

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

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

T1D05

14. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. When selling amateur radio equipment and not on a regular basis
• B. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• C. When no profit is made on the sale
• D. Never

T8A01

15. Which of the following is a form of amplitude modulation?

• A. Spread spectrum
• B. Packet radio
• C. Phase shift keying (PSK)
• D. Single sideband

T3C01

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

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

T8C01

17. Which of the following methods is used to locate sources of noise interference or jamming?

• A. Radio direction finding
• B. Doppler radar
• C. Phase locking
• D. Echolocation

T9B04

18. What is the major function of an antenna tuner (antenna coupler)?

• A. It helps a receiver automatically tune in weak stations
• B. It automatically selects the proper antenna for the frequency band being used
• C. It allows an antenna to be used on both transmit and receive
• D. It matches the antenna system impedance to the transceiver's output impedance

T6D02

19. What is a relay?

• A. An inverting amplifier
• B. An electrically-controlled switch
• C. A current-controlled amplifier
• D. A pass transistor

T1F08

20. What is the definition of third-party communications?

• A. A message from a control operator to another amateur station control operator on behalf of another person
• B. Amateur radio communications where three stations are in communications with one another
• C. Operation when the transmitting equipment is licensed to a person other than the control operator
• D. Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

T8B08

21. What does it mean if a satellite is operating in U/V mode?

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

T5D12

22. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 8 volts
• B. 0.2 volts
• C. 12 volts
• D. 20 volts

T7B09

23. What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

• A. Add a preamplifier to the TV antenna input
• B. Add a high-pass filter to the TV antenna input
• C. Add a low-pass filter to the TV antenna input
• D. Be sure all TV feed line coaxial connectors are installed properly

T7C11

24. What is an advantage of foam-dielectric versus solid-dielectric coaxial cable?

• A. It has higher voltage breakdown
• B. It has less loss per foot
• C. It is more resistant to moisture contamination
• D. It has a better impedance match to 50 ohms

T0B04

25. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Look for and stay clear of any overhead electrical wires
• B. All these choices are correct
• C. Insulate the base of the tower to avoid lightning strikes
• D. Wear a ground strap connected to your wrist at all times

T6A06

26. What type of electrical component stores energy in a magnetic field?

• A. Resistor
• B. Inductor
• C. Diode
• D. Capacitor

T3B12

27. Which of these frequencies travels at the highest velocity in free space?

• A. All radio frequencies travel at the same velocity
• B. Microwaves
• C. UHF
• D. VHF

T0A07

28. Where should a lightning arrester be installed in a coaxial feed line?

• A. On a grounded panel near where feed lines enter the building
• B. At the output connector of a transceiver
• C. At the AC power service panel
• D. At the antenna feed point

T5A04

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

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

T8D06

30. What does the abbreviation "PSK" mean?

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

T9A09

31. What is an advantage of a 5/8-wavelength whip antenna for VHF or UHF mobile service compared to a 1/4-wave antenna?

• A. It has lower SWR
• B. It has lower impedance
• C. It has more gain
• D. It radiates at a higher angle

T7D03

32. When configured to measure current, how is a multimeter connected to a component?

• A. In quadrature
• B. In phase
• C. In parallel
• D. In series

T6B09

33. What are the names for the electrodes of a diode?

• A. Anode and cathode
• B. Source and drain
• C. Gate and base
• D. Plus and minus

T4B04

34. What does an FM signal sound like when received slightly off frequency?

• A. The audio decrease in pitch
• B. The audio becomes distorted
• C. The audio increases in pitch
• D. There is no effect except for reduction in amplitude

T6C06

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

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