Practice Exam

T8B08

1. What is meant by the statement that a satellite is operating in U/V mode?

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

T6C09

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

• A. Potentiometer
• B. Double-pole switch
• C. Variable inductor
• D. Transformer

T8D02

3. What is a "talkgroup" on a DMR repeater?

• A. A net that meets at a specified time
• B. A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
• C. A group of operators sharing common interests
• D. A way for groups of users to share a channel at different times without hearing other users on the channel

T6B01

4. Which is true about forward voltage drop in a diode?

• A. It is lower in some diode types than in others
• B. It is proportional to peak inverse voltage
• C. It indicates that the diode is defective
• D. It has no impact on the voltage delivered to the load

T5A12

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

• A. Pulse rate
• B. Frequency
• C. Speed
• D. Wavelength

T7A05

6. What is the name of a circuit that generates a signal at a specific frequency?

• A. Low-pass filter
• B. Oscillator
• C. Phase modulator
• D. Reactance modulator

T1F11

7. 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. The club must have at least four members
• C. The trustee must have an Amateur Extra Class operator license grant
• D. All these choices are correct

T0B09

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

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

T9B05

9. What happens as the frequency of a signal in coaxial cable is increased?

• A. The characteristic impedance increases
• B. The characteristic impedance decreases
• C. The loss increases
• D. The loss decreases

T1A07

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

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

T0A11

11. What hazard exists in a power supply immediately after turning it off?

• A. Charge stored in filter capacitors
• B. Leakage flux in the power transformer
• C. Circulating currents in the dc filter
• D. Voltage transients from kickback diodes

T7D07

12. Which of the following measurements are made using a multimeter?

• A. All these choices are correct
• B. Impedance and reactance
• C. Signal strength and noise
• D. Voltage and resistance

T9A06

13. Which of the following types of antenna offers the greatest gain?

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

T8C09

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

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

T5D11

15. What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

• A. 1 volt
• B. 10 volts
• C. 11 volts
• D. 9 volts

T7C09

16. Which of the following causes failure of coaxial cables?

• A. Rapid fluctuation in transmitter output power
• B. Solder flux contamination
• C. Operation at 100% duty cycle for an extended period
• D. Moisture contamination

T5C10

17. How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

• A. 14.5 watts
• B. 0.208 watts
• C. 30 watts
• D. 4.8 watts

T3B10

18. What frequency range is referred to as HF?

• A. 300 to 3000 MHz
• B. 3 to 30 MHz
• C. 300 to 3000 kHz
• D. 30 to 300 MHz

T2C10

19. What information is contained in the preamble of a formal traffic message?

• A. The email address of the originating station
• B. The telephone number of the addressee
• C. The address of the intended recipient
• D. Information needed to track the message

T5B08

20. Which is equal to 1,000,000 picofarads?

• A. 0.001 microfarads
• B. 1,000,000,000 microfarads
• C. 1000 microfarads
• D. 1 microfarad

T4A05

21. Where should an RF power meter be installed?

• A. In the feed line, between the transmitter and antenna
• B. In parallel with the push-to-talk line and the antenna
• C. In the power supply cable, as close as possible to the radio
• D. At the power supply output

T7B07

22. Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

• A. Using double-shielded coaxial cable
• B. Installing a band-reject filter
• C. Installing bypass capacitors on the microphone cable
• D. Installing an RF preamplifier

T6D04

23. Which of the following displays an electrical quantity as a numeric value?

• A. Relay
• B. Meter
• C. Transistor
• D. Potentiometer

T4B10

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

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

T2A11

25. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Full duplex
• B. Multiplex
• C. Diplex
• D. Simplex

T3A06

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

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

T2B05

27. What would cause your FM transmission audio to be distorted on voice peaks?

• A. Your repeater offset is inverted
• B. Your transmit power is too high
• C. You are talking too loudly
• D. You need to talk louder

T1C05

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

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

T1B01

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

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

T3C04

30. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. Backscatter
• B. Sporadic E
• C. Gray-line propagation
• D. D region absorption

T0C06

31. Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

• A. By calculation based on FCC OET Bulletin 65
• B. All these choices are correct
• C. By measurement of field strength using calibrated equipment
• D. By calculation based on computer modeling

T6A08

32. What is the function of an SPDT switch?

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

T8A04

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

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

T1E02

34. Who may be the control operator of a station communicating through an amateur satellite or space station?

• A. Only an Amateur Extra Class operator who is also an AMSAT member
• B. A General class or higher licensee with a satellite operator certification
• C. Any amateur allowed to transmit on the satellite uplink frequency
• D. Only an Amateur Extra Class operator

T1D05

35. 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. Never
• D. When no profit is made on the sale