Practice Exam

T0C06

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

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

T8B09

2. What causes spin fading of satellite signals?

• A. Rotation of the satellite and its antennas
• B. Circular polarized noise interference radiated from the sun
• C. Interfering signals within the satellite uplink band
• D. Doppler shift of the received signal

T0B02

3. What is required when climbing an antenna tower?

• A. Have sufficient training on safe tower climbing techniques
• B. Always wear an approved climbing harness
• C. Use appropriate tie-off to the tower at all times
• D. All these choices are correct

T7C07

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

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

T4A01

5. 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. 13.8 volts at 12 amperes
• C. 24.0 volts at 4 amperes
• D. 13.8 volts at 4 amperes

T7B11

6. What is a symptom of RF feedback in a transmitter or transceiver?

• A. Excessive SWR at the antenna connection
• B. Reports of garbled, distorted, or unintelligible voice transmissions
• C. Frequent blowing of power supply fuses
• D. The transmitter will not stay on the desired frequency

T4B02

7. Which of the following can be used to enter a transceiver's operating frequency?

• A. The keypad or VFO knob
• B. The Automatic Frequency Control
• C. The CTCSS or DTMF encoder
• D. All these choices are correct

T5A04

8. What are the units of electrical resistance?

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

T6D09

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

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

T9A06

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

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

T1A10

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

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

T2B13

12. What is the purpose of a squelch function?

• A. Mute the receiver audio when a signal is not present
• B. Reduce a CW transmitter's key clicks
• C. Reduce interference from impulse noise
• D. Eliminate parasitic oscillations in an RF amplifier

T0A05

13. Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

• A. Excessive current could cause a fire
• B. The power supply ripple would greatly increase
• C. All these choices are correct
• D. The larger fuse would be likely to blow because it is rated for higher current

T1E07

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

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

T6C10

15. What is component 3 in figure T-3?

• A. Variable capacitor
• B. Meter
• C. Variable inductor
• D. Connector

T8A03

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

• A. SSB
• B. FM
• C. PM
• D. DRM

T3A02

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

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

T1D05

18. 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. Never
• C. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• D. When no profit is made on the sale

T8C02

19. Which of these items would be useful for a hidden transmitter hunt?

• A. All these choices are correct
• B. A calibrated noise bridge
• C. Calibrated SWR meter
• D. A directional antenna

T8D11

20. What is an ARQ transmission system?

• A. A method of compressing data using autonomous reiterative Q codes prior to final encoding
• B. An error correction method in which the receiving station detects errors and sends a request for retransmission
• C. A system used to encrypt command signals to an amateur radio satellite
• D. A special transmission format limited to video signals

T6B02

21. What electronic component allows current to flow in only one direction?

• A. Resistor
• B. Driven element
• C. Fuse
• D. Diode

T6A11

22. Which of the following battery chemistries is not rechargeable?

• A. Lead-acid
• B. Carbon-zinc
• C. Lithium-ion
• D. Nickel-cadmium

T3B04

23. What is the velocity of a radio wave traveling through free space?

• A. Speed of light
• B. Speed inversely proportional to its wavelength
• C. Speed that increases as the frequency increases
• D. Speed of sound

T5C06

24. What does the abbreviation "RF" mean?

• A. The real frequency transmitted as opposed to the apparent frequency
• B. Radio frequency signals of all types
• C. Reflective force in antenna transmission lines
• D. The resonant frequency of a tuned circuit

T5D02

25. 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

T9B01

26. What is a benefit of low SWR?

• A. Reduced signal loss
• B. All these choices are correct
• C. Reduced television interference
• D. Less antenna wear

T1C10

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

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

T2A12

28. What should you do before calling CQ?

• A. All these choices are correct
• B. Make sure you are authorized to use that frequency
• C. Ask if the frequency is in use
• D. Listen first to be sure that no one else is using the frequency

T1F02

29. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. At the end of each communication and every ten minutes during a communication
• B. Once during every hour
• C. At the end of every transmission
• D. Never, the tactical call is sufficient

T7A07

30. What is the function of a transceiver's PTT input?

• A. Input for a key used to send CW
• B. Input for a preamplifier tuning tone
• C. Provides a transmit tuning tone when grounded
• D. Switches transceiver from receive to transmit when grounded

T1B09

31. Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

• A. So that modulation sidebands do not extend beyond the band edge
• B. All these choices are correct
• C. To allow for calibration error in the transmitter frequency display
• D. To allow for transmitter frequency drift

T3C03

32. What is a characteristic of VHF signals received via auroral backscatter?

• A. They are often received from 10,000 miles or more
• B. They occur only during winter nighttime hours
• C. They are generally strongest when your antenna is aimed west
• D. They are distorted and signal strength varies considerably

T5B05

33. Which is equal to 500 milliwatts?

• A. 5 watts
• B. 0.5 watts
• C. 0.02 watts
• D. 50 watts

T2C02

34. Which of the following are typical duties of a Net Control Station?

• A. Call the net to order and direct communications between stations checking in
• B. All these choices are correct
• C. Ensure that all stations checking into the net are properly licensed for operation on the net frequency
• D. Choose the regular net meeting time and frequency

T7D08

35. Which of the following types of solder should not be used for radio and electronic applications?

• A. Acid-core solder
• B. Tin-copper solder
• C. Rosin-core solder
• D. Lead-tin solder