Practice Exam

T2A07

1. What is meant by "repeater offset"?

• A. The repeater has a time delay to prevent interference
• B. The number of simultaneous transmit frequencies used by a repeater
• C. The repeater station identification is done on a separate frequency
• D. The difference between a repeater's transmit and receive frequencies

T8C03

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

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

T6B08

3. What does the abbreviation FET stand for?

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

T4B04

4. What is a way to enable quick access to a favorite frequency or channel on your transceiver?

• A. Enable the VOX
• B. Store it in a memory channel
• C. Use the scan mode to select the desired frequency
• D. Enable the frequency offset

T5B11

5. Which decibel value represents a power increase from 20 watts to 200 watts?

• A. 10 dB
• B. 12 dB
• C. 28 dB
• D. 18 dB

T1B11

6. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 10 watts
• B. 100 watts
• C. 200 watts
• D. 50 watts

T8A06

7. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Inverted sideband
• B. Suppressed sideband
• C. Upper sideband
• D. Lower sideband

T5A04

8. What are the units of electrical resistance?

• A. Ohms
• B. Coulombs
• C. Siemens
• D. Mhos

T0C11

9. What is the definition of duty cycle during the averaging time for RF exposure?

• A. The difference between the lowest power output and the highest power output of a transmitter
• B. The percentage of time that a transmitter is transmitting
• C. The difference between the PEP and average power output of a transmitter
• D. The percentage of time that a transmitter is not transmitting

T6D10

10. What is the function of component 2 in figure T-1?

• A. Supply electrical energy
• B. Control the flow of current
• C. Give off light when current flows through it
• D. Convert electrical energy into radio waves

T8D02

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

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

T1A09

12. Who selects a Frequency Coordinator?

• A. The local chapter of the Office of National Council of Independent Frequency Coordinators
• B. The FCC Office of Spectrum Management and Coordination Policy
• C. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations
• D. FCC Regional Field Office

T2C11

13. What is meant by "check" in a radiogram header?

• A. The number of words or word equivalents in the text portion of the message
• B. The call sign of the originating station
• C. A box on the message form that indicates that the message was received and/or relayed
• D. A list of stations that have relayed the message

T9A02

14. Which of the following describes a type of antenna loading?

• A. Electrically lengthening by inserting inductors in radiating elements
• B. Strengthening the radiating elements of a beam antenna to better resist wind damage
• C. Inserting a resistor in the radiating portion of the antenna to make it resonant
• D. Installing a spring in the base of a mobile vertical antenna to make it more flexible

T5D03

15. What formula is used to calculate resistance in a circuit?

• A. R = E x I
• B. R = E / I
• C. R = E + I
• D. R = E - I

T2B08

16. Which of the following applies when two stations transmitting on the same frequency interfere with each other?

• A. Interference is inevitable, so no action is required
• B. Both stations should choose another frequency to avoid conflict
• C. The stations should negotiate continued use of the frequency
• D. Use subaudible tones so both stations can share the frequency

T0A10

17. What hazard is caused by charging or discharging a battery too quickly?

• A. Inverse memory effect
• B. Excess output ripple
• C. Half-wave rectification
• D. Overheating or out-gassing

T7A01

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

• A. Selectivity
• B. Sensitivity
• C. Total Harmonic Distortion
• D. Linearity

T3A08

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

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

T7D06

20. Which of the following can damage a multimeter?

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

T1D10

21. How does the FCC define broadcasting for the Amateur Radio Service?

• A. Two-way transmissions by amateur stations
• B. Any transmission made by the licensed station
• C. Transmission of messages directed only to amateur operators
• D. Transmissions intended for reception by the general public

T5C03

22. What describes the ability to store energy in a magnetic field?

• A. Resistance
• B. Inductance
• C. Capacitance
• D. Admittance

T1E04

23. What determines the transmitting frequency privileges of an amateur station?

• A. The frequency authorized by the frequency coordinator
• B. The frequencies printed on the license grant
• C. The class of operator license held by the control operator
• D. The highest class of operator license held by anyone on the premises

T7C01

24. What is the primary purpose of a dummy load?

• A. To improve the efficiency of an antenna
• B. To prevent transmitting signals over the air when making tests
• C. To improve the signal-to-noise ratio of a receiver
• D. To prevent over-modulation of a transmitter

T1F05

25. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign using a CW or phone emission
• B. Send the call sign using only a phone emission
• C. Send the call sign followed by the indicator R
• D. Send the call sign followed by the indicator RPT

T4A03

26. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To avoid RF interference
• B. All these choices are correct
• C. To provide a good counterpoise for the antenna
• D. To minimize voltage drop when transmitting

T8B06

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

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

T6A02

28. What type of component is often used as an adjustable volume control?

• A. Fixed resistor
• B. Power resistor
• C. Transformer
• D. Potentiometer

T6C04

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

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

T7B06

30. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. Immediately turn off your transmitter and contact the nearest FCC office for assistance
• B. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• C. All these choices are correct
• D. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

T0B01

31. 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

T3B07

32. In addition to frequency, which of the following is used to identify amateur radio bands?

• A. All these choices are correct
• B. Traditional letter/number designators
• C. The approximate wavelength in meters
• D. Channel numbers

T3C04

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

T9B07

34. Which of the following is true of PL-259 type coax connectors?

• A. They are a bayonet-type connector
• B. They are watertight
• C. They are commonly used at HF and VHF frequencies
• D. They are preferred for microwave operation

T1C05

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

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