Practice Exam

T5D14

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

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

T3A07

2. What weather condition might decrease range at microwave frequencies?

• A. Low barometric pressure
• B. Colder temperatures
• C. High winds
• D. Precipitation

T8A09

3. What is the approximate bandwidth of a VHF repeater FM voice signal?

• A. About 150 kHz
• B. Less than 500 Hz
• C. Between 10 and 15 kHz
• D. Between 50 and 125 kHz

T7C10

4. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet light can increase losses in the cable's jacket
• B. Ultraviolet resistant jackets prevent harmonic radiation
• C. Ultraviolet light can damage the jacket and allow water to enter the cable
• D. Ultraviolet and RF signals can mix, causing interference

T6C01

5. What is the name of an electrical wiring diagram that uses standard component symbols?

• A. Schematic
• B. Flow chart
• C. Bill of materials
• D. Connector pinout

T8D02

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

T2C01

7. When do FCC rules NOT apply to the operation of an amateur station?

• A. When operating a RACES station
• B. When operating under special ARES rules
• C. When operating under special FEMA rules
• D. FCC rules always apply

T9B07

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

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

T1B03

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

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

T3B01

10. What is the relationship between the electric and magnetic fields of an electromagnetic wave?

• A. They are in parallel
• B. They are at right angles
• C. They travel at different speeds
• D. They revolve in opposite directions

T0B03

11. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. When the work being done is not more than 20 feet above the ground
• B. When no mechanical work is being performed
• C. When no electrical work is being performed
• D. Never

T1C10

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

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

T8B03

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

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

T9A02

14. 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. Electrically lengthening by inserting inductors in radiating elements
• C. Inserting a resistor in the radiating portion of the antenna to make it resonant
• D. Strengthening the radiating elements of a beam antenna to better resist wind damage

T6A03

15. What electrical parameter is controlled by a potentiometer?

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

T8C02

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

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

T4B09

17. How is a specific group of stations selected on a digital voice transceiver?

• A. By enabling the group's CTCSS tone
• B. By activating automatic identification
• C. By retrieving the frequencies from transceiver memory
• D. By entering the group's identification code

T0C09

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

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

T7B11

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

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

T1F06

20. Which of the following self-assigned indicators are acceptable when using a phone transmission?

• A. KL7CC stroke W3
• B. All these choices are correct
• C. KL7CC slash W3
• D. KL7CC slant W3

T5B03

21. Which is equal to one kilovolt?

• A. One thousand volts
• B. One hundred volts
• C. One million volts
• D. One one-thousandth of a volt

T1E07

22. 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. Only the control operator
• C. All licensed amateurs who are present at the operation
• D. Only the station licensee

T2B01

23. How is a VHF/UHF transceiver's "reverse" function used?

• A. To reduce power output
• B. To listen on a repeater's output frequency
• C. To increase power output
• D. To listen on a repeater's input frequency

T5C09

24. How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

• A. 0.7 watts
• B. 23.8 watts
• C. 3.8 watts
• D. 138 watts

T1D07

25. What types of amateur stations can automatically retransmit the signals of other amateur stations?

• A. Repeater, auxiliary, or space stations
• B. Auxiliary, beacon, or Earth stations
• C. Beacon, repeater, or space stations
• D. Earth, repeater, or space stations

T6D10

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

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

T6B07

27. What causes a light-emitting diode (LED) to emit light?

• A. Inductively-coupled RF signal
• B. Reverse current
• C. Capacitively-coupled RF signal
• D. Forward current

T0A07

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

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

T3C02

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

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

T7A04

30. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Harmonic distortion
• B. Discrimination ratio
• C. Selectivity
• D. Sensitivity

T4A07

31. Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

• A. Computer "line in" to transceiver speaker connector
• B. Computer "line out" to transceiver speaker connector
• C. Computer "line in" to transceiver push-to-talk
• D. Computer "line out" to transceiver push-to-talk

T2A07

32. What is meant by "repeater offset"?

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

T1A11

33. When is willful interference to other amateur radio stations permitted?

• A. At no time
• B. When making short test transmissions
• C. At any time, stations in the Amateur Radio Service are not protected from willful interference
• D. To stop another amateur station that is breaking the FCC rules

T5A07

34. Why are metals generally good conductors of electricity?

• A. All these choices are correct
• B. They have many free protons
• C. They have many free electrons
• D. They have relatively high density

T7D09

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

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