Practice Exam

T1A08

1. Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

• A. FCC Regional Field Office
• B. Frequency Spectrum Manager appointed by the FCC
• C. International Telecommunication Union
• D. Volunteer Frequency Coordinator recognized by local amateurs

T6B03

2. Which of these components can be used as an electronic switch?

• A. Thermistor
• B. Potentiometer
• C. Varistor
• D. Transistor

T8B09

3. What causes spin fading of satellite signals?

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

T9A05

4. Which of the following increases the resonant frequency of a dipole antenna?

• A. Lengthening it
• B. Inserting coils in series with radiating wires
• C. Adding capacitive loading to the ends of the radiating wires
• D. Shortening it

T3A01

5. Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

• A. Multipath propagation cancels or reinforces signals
• B. VHF ionospheric propagation is very sensitive to path length
• C. The signal path encounters different concentrations of water vapor
• D. All these choices are correct

T8D08

6. Which of the following is included in packet radio transmissions?

• A. A header that contains the call sign of the station to which the information is being sent
• B. Automatic repeat request in case of error
• C. A check sum that permits error detection
• D. All these choices are correct

T8C02

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

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

T6A09

8. 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

T8A10

9. What is the approximate bandwidth of AM fast-scan TV transmissions?

• A. More than 10 MHz
• B. About 3 MHz
• C. About 6 MHz
• D. About 1 MHz

T0B11

10. Which of the following establishes grounding requirements for an amateur radio tower or antenna?

• A. Local electrical codes
• B. FAA tower lighting regulations
• C. UL recommended practices
• D. FCC Part 97 rules

T2C11

11. 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. A list of stations that have relayed the message
• C. The call sign of the originating station
• D. A box on the message form that indicates that the message was received and/or relayed

T7A02

12. What is a transceiver?

• A. A device for automatically sending and decoding Morse code
• B. A device for matching feed line impedance to 50 ohms
• C. A device for converting receiver and transmitter frequencies to another band
• D. A device that combines a receiver and transmitter

T4A11

13. Where should the negative power return of a mobile transceiver be connected in a vehicle?

• A. At the antenna mount
• B. To any metal part of the vehicle
• C. At the 12 volt battery chassis ground
• D. Through the transceiver's mounting bracket

T7D07

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

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

T3C02

15. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. HF accommodates wider bandwidth signals
• B. There is less atmospheric interference (static) on HF
• C. Long-distance ionospheric propagation is far more common on HF
• D. HF antennas are generally smaller

T2A07

16. What is meant by "repeater offset"?

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

T1D11

17. When may an amateur station transmit without identifying on the air?

• A. When the transmissions are of a brief nature to make station adjustments
• B. When the transmissions are unmodulated
• C. When transmitting signals to control model craft
• D. When the transmitted power level is below 1 watt

T7B11

18. 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. The transmitter will not stay on the desired frequency
• D. Frequent blowing of power supply fuses

T1F04

19. What language may you use for identification when operating in a phone sub-band?

• A. Any language recognized by the ITU
• B. English
• C. English, French, or Spanish
• D. Any language recognized by the United Nations

T3B10

20. 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

T1C09

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

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

T5D14

22. In which type of circuit is voltage the same across all components?

• A. Resonant
• B. Branch
• C. Series
• D. Parallel

T9B06

23. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. Type N
• B. RS-213
• C. DB-25
• D. UHF (PL-259/SO-239)

T6C10

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

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

T0A10

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

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

T5B09

26. Which decibel value most closely represents a power increase from 5 watts to 10 watts?

• A. 3 dB
• B. 2 dB
• C. 5 dB
• D. 10 dB

T1E04

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

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

T5C07

28. What is the abbreviation for megahertz?

• A. MH
• B. Mhz
• C. MHz
• D. mh

T2B07

29. How can you join a digital repeater's "talkgroup"?

• A. Register your radio with the local FCC office
• B. Sign your call after the courtesy tone
• C. Program your radio with the group's ID or code
• D. Join the repeater owner's club

T0C09

30. How can you make sure your station stays in compliance with RF safety regulations?

• A. All these choices are correct
• B. By informing the FCC of any changes made in your station
• C. By making sure your antennas have low SWR
• D. By re-evaluating the station whenever an item in the transmitter or antenna system is changed

T7C08

31. Which instrument can be used to determine SWR?

• A. Iambic pentameter
• B. Directional wattmeter
• C. Voltmeter
• D. Ohmmeter

T4B11

32. Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

• A. Your output power
• B. The codec type being used
• C. Your call sign
• D. All these choices are correct

T6D02

33. What is a relay?

• A. A current controlled amplifier
• B. An electrically-controlled switch
• C. A pass transistor
• D. An inverting amplifier

T1B03

34. Which frequency is in the 6 meter amateur band?

• A. 28.50 MHz
• B. 49.00 MHz
• C. 222.15 MHz
• D. 52.525 MHz

T5A09

35. Which of the following describes alternating current?

• A. Current that alternates between a negative direction and zero
• B. Current that alternates between positive and negative directions
• C. All these answers are correct
• D. Current that alternates between a positive direction and zero