Practice Exam

T7A11

1. Where is an RF preamplifier installed?

• A. At the output of the receiver audio amplifier
• B. Between the antenna and receiver
• C. Between the transmitter and the antenna tuner
• D. At the output of the transmitter power amplifier

T7B10

2. 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 batteries are running low
• C. You are in a bad location
• D. Your transmitter is slightly off frequency

T3C05

3. Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

• A. Doppler shift
• B. Quantum tunneling
• C. Faraday rotation
• D. Knife-edge diffraction

T6A03

4. What electrical parameter is controlled by a potentiometer?

• A. Capacitance
• B. Inductance
• C. Resistance
• D. Field strength

T0C08

5. Which of the following actions can reduce exposure to RF radiation?

• A. Relocate antennas
• B. Increase the duty cycle
• C. All these choices are correct
• D. Relocate the transmitter

T4A01

6. Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

• A. 24.0 volts at 12 amperes
• B. 24.0 volts at 4 amperes
• C. 13.8 volts at 12 amperes
• D. 13.8 volts at 4 amperes

T8D02

7. 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 net that meets at a specified time
• C. A group of operators sharing common interests
• D. A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together

T1A10

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

• A. A radio service using amateur frequencies for emergency management or civil defense communications
• B. An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
• C. All these choices are correct
• D. A radio service using amateur stations for emergency management or civil defense communications

T7D10

9. What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

• A. Increasing resistance with time
• B. Steady full-scale reading
• C. Alternating between open and short circuit
• D. Decreasing resistance with time

T7C04

10. What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

• A. 50:50
• B. Zero
• C. Full Scale
• D. 1:1

T5B13

11. Which is equal to 2425 MHz?

• A. 2.425 GHz
• B. 24.25 GHz
• C. 2425 GHz
• D. 0.002425 GHz

T6B01

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

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

T1B05

13. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Emergency traffic only
• B. Fixed digital message forwarding systems only
• C. Spread spectrum only
• D. Fast-scan television only

T0A12

14. Which of the following precautions should be taken when measuring high voltages with a voltmeter?

• A. Ensure that the voltmeter has very low impedance
• B. Ensure that the voltmeter and leads are rated for use at the voltages to be measured
• C. Ensure that the circuit is grounded through the voltmeter
• D. Ensure that the voltmeter is set to the correct frequency

T9A02

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

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

T8C11

16. What is an amateur radio station that connects other amateur stations to the internet?

• A. A repeater
• B. A beacon
• C. A gateway
• D. A digipeater

T4B06

17. Which of the following controls could be used if the voice pitch of a single-sideband signal returning to your CQ call seems too high or low?

• A. The AGC or limiter
• B. The tone squelch
• C. The RIT or Clarifier
• D. The bandwidth selection

T1F10

18. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. Both the originating station and the repeater owner
• B. The control operator of the originating station
• C. The owner of the repeater
• D. The control operator of the repeater

T8B03

19. Which of the following are provided by satellite tracking programs?

• A. The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
• B. The apparent frequency of the satellite transmission, including effects of Doppler shift
• C. All these choices are correct
• D. Maps showing the real-time position of the satellite track over Earth

T1C10

20. How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

• A. As soon as your operator/station license grant appears in the FCC's license database
• B. As soon as your operator/station license grant appears on the ARRL website
• C. As soon as you receive your license in the mail from the FCC
• D. Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)

T2C05

21. What does the term "traffic" refer to in net operation?

• A. Messages exchanged by net stations
• B. The number of stations checking in and out of a net
• C. Operation by mobile or portable stations
• D. Requests to activate the net by a served agency

T9B12

22. What is standing wave ratio (SWR)?

• A. The transmitter efficiency ratio
• B. A measure of how well a load is matched to a transmission line
• C. The ratio of amplifier power output to input
• D. An indication of the quality of your station's ground connection

T2B02

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

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

T6D09

24. What is the name of a device that combines several semiconductors and other components into one package?

• A. Transformer
• B. Transducer
• C. Integrated circuit
• D. Multi-pole relay

T5A11

25. What type of current flow is opposed by resistance?

• A. All these choices are correct
• B. Direct current
• C. RF current
• D. Alternating current

T1E09

26. Which of the following are required for remote control operation?

• A. All these choices are correct
• B. A control operator is required at all times
• C. The control operator must indirectly manipulate the controls
• D. The control operator must be at the control point

T6C05

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

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

T0B04

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

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

T5D02

29. What formula is used to calculate voltage in a circuit?

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

T2A01

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

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

T3A02

31. What is the effect of vegetation on UHF and microwave signals?

• A. Absorption
• B. Polarization rotation
• C. Knife-edge diffraction
• D. Amplification

T1D10

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

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

T5C10

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

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

T3B05

34. What is the relationship between wavelength and frequency?

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

T8A07

35. What is a characteristic of single sideband (SSB) compared to FM?

• A. SSB signals have narrower bandwidth
• B. SSB signals are easier to tune in correctly
• C. SSB signals are less susceptible to interference
• D. All these choices are correct