Practice Exam

T6B11

1. What is the term that describes a device's ability to amplify a signal?

• A. Forward resistance
• B. Gain
• C. On resistance
• D. Forward voltage drop

T9A06

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

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

T9B12

3. 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. An indication of the quality of your station's ground connection
• D. The ratio of amplifier power output to input

T7A10

4. What device increases the transmitted output power from a transceiver?

• A. An impedance network
• B. An RF power amplifier
• C. A voltage divider
• D. All these choices are correct

T3B10

5. What frequency range is referred to as HF?

• A. 3 to 30 MHz
• B. 30 to 300 MHz
• C. 300 to 3000 MHz
• D. 300 to 3000 kHz

T7B04

6. Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

• A. Preamplifier
• B. Ferrite choke
• C. Band-pass filter
• D. Low-pass filter

T1E09

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

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

T2A02

8. What is the national calling frequency for FM simplex operations in the 2 meter band?

• A. 432.100 MHz
• B. 446.000 MHz
• C. 145.000 MHz
• D. 146.520 MHz

T8A11

9. What is the approximate bandwidth required to transmit a CW signal?

• A. 150 Hz
• B. 1000 Hz
• C. 15 kHz
• D. 2.4 kHz

T4B01

10. What is the effect of excessive microphone gain on SSB transmissions?

• A. Frequency instability
• B. Increased SWR
• C. Distorted transmitted audio
• D. All these choices are correct

T0A07

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

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

T3A09

12. Which of the following results from the fact that signals propagated by the ionosphere are elliptically polarized?

• A. Either vertically or horizontally polarized antennas may be used for transmission or reception
• B. FM voice is unusable
• C. Both the transmitting and receiving antennas must be of the same polarization
• D. Digital modes are unusable

T6A03

13. What electrical parameter is controlled by a potentiometer?

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

T1B01

14. Which of the following frequency ranges are available for phone operation by Technician licensees?

• A. 28.300 MHz to 28.500 MHz
• B. 28.050 MHz to 28.150 MHz
• C. 28.100 MHz to 28.300 MHz
• D. 28.500 MHz to 28.600 MHz

T3C10

15. Which of the following bands may provide long-distance communications via the ionosphere's F region during the peak of the sunspot cycle?

• A. 70 centimeters and 1.25 meters
• B. 6 and 10 meters
• C. 23 centimeters
• D. All these choices are correct

T1A03

16. What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

• A. It is required when in contact with foreign stations
• B. It is encouraged
• C. It is required when transmitting emergency messages
• D. All these choices are correct

T1F10

17. 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 control operator of the repeater
• D. The owner of the repeater

T8B09

18. What causes spin fading of satellite signals?

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

T1D05

19. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. When no profit is made on the sale
• B. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• C. When selling amateur radio equipment and not on a regular basis
• D. Never

T5A06

20. What is the unit of frequency?

• A. Henry
• B. Farad
• C. Hertz
• D. Tesla

T8D11

21. What is an ARQ transmission system?

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

T0B05

22. What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

• A. Provide a ground path for lightning strikes
• B. Prevent loosening of the turnbuckle from vibration
• C. Secure the guy line if the turnbuckle breaks
• D. Provide an ability to measure for proper tensioning

T8C04

23. Which of the following is good procedure when contacting another station in a contest?

• A. Sign only the last two letters of your call if there are many other stations calling
• B. All these choices are correct
• C. Send only the minimum information needed for proper identification and the contest exchange
• D. Contact the station twice to be sure that you are in his log

T4A09

24. How can you determine the length of time that equipment can be powered from a battery?

• A. Divide the battery ampere-hour rating by the average current draw of the equipment
• B. Divide the watt-hour rating of the battery by the peak power consumption of the equipment
• C. Multiply the watts per hour consumed by the equipment by the battery power rating
• D. Multiply the square of the current rating of the battery by the input resistance of the equipment

T6D06

25. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Transformer
• B. Variable capacitor
• C. Diode
• D. Transistor

T2B13

26. What is the purpose of a squelch function?

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

T6C04

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

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

T7D09

28. What is the characteristic appearance of a cold tin-lead solder joint?

• A. Dark black spots
• B. A bright or shiny surface
• C. A rough or lumpy surface
• D. Excessive solder

T0C11

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

T7C04

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

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

T2C02

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

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

T5C10

32. 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

T5D05

33. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 13.5 ohms
• B. 0.125 ohms
• C. 8 ohms
• D. 18 ohms

T5B12

34. Which is equal to 28400 kHz?

• A. 28.400 kHz
• B. 2.800 MHz
• C. 28.400 MHz
• D. 284.00 MHz

T1C09

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

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