Practice Exam

T0C07

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

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

T2B09

2. 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. For working DX only
• C. For contest operation
• D. So stations within range of each other can communicate without tying up a repeater

T1D08

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

T7C07

4. What happens to power lost in a feed line?

• A. It is radiated as harmonics
• B. It distorts the signal
• C. It increases the SWR
• D. It is converted into heat

T6B08

5. What does the abbreviation FET stand for?

• A. Field Effect Transistor
• B. Free Electron Transmitter
• C. Frequency Emission Transmitter
• D. Fast Electron Transistor

T1E02

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

• A. Only an Amateur Extra Class operator
• 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 who is also an AMSAT member

T0B01

7. Which of the following is good practice when installing ground wires on a tower for lightning protection?

• A. Ensure that connections are short and direct
• B. Make sure all ground wire bends are right angles
• C. Put a drip loop in the ground connection to prevent water damage to the ground system
• D. All these choices are correct

T2A09

8. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. The repeater call sign followed by the station's call sign
• B. The station's call sign followed by the word "monitoring"
• C. "CQ CQ" followed by the repeater's call sign
• D. "QSY" followed by your call sign

T6A09

9. What electrical component is used to protect other circuit components from current overloads?

• A. Varactor
• B. All these choices are correct
• C. Thyratron
• D. Fuse

T5D09

10. What is the current through a 24-ohm resistor connected across 240 volts?

• A. 10 amperes
• B. 216 amperes
• C. 24,000 amperes
• D. 0.1 amperes

T6C12

11. Which of the following is accurately represented in electrical schematics?

• A. Component connections
• B. Wire lengths
• C. All these choices are correct
• D. Physical appearance of components

T8B12

12. Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

• A. All these choices are correct
• B. Check your signal strength report in the telemetry data
• C. Listen for distortion on your downlink signal
• D. Your signal strength on the downlink should be about the same as the beacon

T3A12

13. What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

• A. Deflection
• B. Absorption
• C. Range increase
• D. There is little effect

T6D01

14. Which of the following devices or circuits changes an alternating current into a varying direct current signal?

• A. Transformer
• B. Rectifier
• C. Reflector
• D. Amplifier

T3B05

15. What is the relationship between wavelength and frequency?

• A. Wavelength gets longer as frequency increases
• B. Wavelength and frequency increase as path length increases
• C. Wavelength and frequency are unrelated
• D. Wavelength gets shorter as frequency increases

T8A03

16. Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

• A. FM
• B. DRM
• C. PM
• D. SSB

T5B06

17. Which is equal to 3000 milliamperes?

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

T5A01

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

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

T8C03

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

• A. Contesting
• B. Public service events
• C. Net operations
• D. Simulated emergency exercises

T3C08

20. What causes tropospheric ducting?

• A. Discharges of lightning during electrical storms
• B. Temperature inversions in the atmosphere
• C. Sunspots and solar flares
• D. Updrafts from hurricanes and tornadoes

T1F07

21. Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

• A. All these choices are correct
• B. The licensed control operator must do the station identification
• C. The person must be a U.S. citizen
• D. The foreign station must be in a country with which the U.S. has a third party agreement

T9B08

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

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

T9A09

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

• A. 50
• B. 236
• C. 6
• D. 112

T4A07

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

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

T5C05

25. What is the unit of impedance?

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

T4B09

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

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

T8D02

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

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

T7D11

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

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

T2C01

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

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

T0A07

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

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

T1B12

31. Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

• A. 50 watts
• B. 500 watts
• C. 1500 watts
• D. 100 watts

T1C09

32. What is the grace period for renewal if an amateur license expires?

• A. Five years
• B. Ten years
• C. Three years
• D. Two years

T7B10

33. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. All these choices are correct
• B. Your transmitter is slightly off frequency
• C. Your batteries are running low
• D. You are in a bad location

T1A04

34. How many operator/primary station license grants may be held by any one person?

• A. One
• B. One for each permanent station location from which the person plans to operate
• C. No more than two
• D. One for each band on which the person plans to operate

T7A06

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

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