Practice Exam

T0C02

1. At which of the following frequencies does maximum permissible exposure have the lowest value?

• A. 3.5 MHz
• B. 1296 MHz
• C. 50 MHz
• D. 440 MHz

T9A04

2. What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

• A. It has low efficiency
• B. It transmits only circularly polarized signals
• C. It is mechanically fragile
• D. All these choices are correct

T7C10

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

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

T5A02

4. Electrical power is measured in which of the following units?

• A. Volts
• B. Amperes
• C. Watt-hours
• D. Watts

T8D06

5. What does the abbreviation "PSK" mean?

• A. Phased Slide Keying
• B. Pulse Shift Keying
• C. Packet Short Keying
• D. Phase Shift Keying

T0A10

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

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

T2C02

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

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

T7B05

8. How can fundamental overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

• A. Switch the transmitter to a narrow-band mode
• B. Block the interfering signal with a filter on the amateur transmitter
• C. Switch the transmitter from FM to SSB
• D. Block the amateur signal with a filter at the antenna input of the affected receiver

T8C02

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

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

T7A02

10. What is a transceiver?

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

T2A12

11. What should you do before calling CQ?

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

T6A11

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

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

T6B01

13. 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 is lower in some diode types than in others
• D. It has no impact on the voltage delivered to the load

T9B02

14. What is the most common impedance of coaxial cables used in amateur radio?

• A. 8 ohms
• B. 12 ohms
• C. 50 ohms
• D. 600 ohms

T5C03

15. What describes the ability to store energy in a magnetic field?

• A. Capacitance
• B. Inductance
• C. Resistance
• D. Admittance

T1A01

16. Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

• A. Providing personal radio communications for as many citizens as possible
• B. Advancing skills in the technical and communication phases of the radio art
• C. All these choices are correct
• D. Providing communications for international non-profit organizations

T1B05

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

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

T5B01

18. How many milliamperes is 1.5 amperes?

• A. 15 milliamperes
• B. 1500 milliamperes
• C. 150 milliamperes
• D. 15,000 milliamperes

T4A09

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

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

T8B09

20. What causes spin fading of satellite signals?

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

T3B02

21. What property of a radio wave defines its polarization?

• A. The ratio of the energy in the magnetic field to the energy in the electric field
• B. The ratio of the velocity to the wavelength
• C. The orientation of the electric field
• D. The orientation of the magnetic field

T6C02

22. What is component 1 in figure T-1?

• A. Connector
• B. Resistor
• C. Battery
• D. Transistor

T1F11

23. Which of the following is a requirement for the issuance of a club station license grant?

• A. The club must have at least four members
• B. The club must be registered with the American Radio Relay League
• C. All these choices are correct
• D. The trustee must have an Amateur Extra Class operator license grant

T1D07

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

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

T1E07

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

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

T2B12

26. What is the purpose of the color code used on DMR repeater systems?

• A. Defines the frequency pair to use
• B. Identifies the codec used
• C. Must match the repeater color code for access
• D. Defines the minimum signal level required for access

T1C04

27. What may happen if the FCC is unable to reach you by email?

• A. Nothing; there is no such requirement
• B. Revocation of access to the license record in the FCC system
• C. Fine and suspension of operator license
• D. Revocation of the station license or suspension of the operator license

T3A10

28. What effect does multi-path propagation have on data transmissions?

• A. No significant changes will occur if the signals are transmitted using FM
• B. Error rates are likely to increase
• C. Transmission rates must be increased by a factor equal to the number of separate paths observed
• D. Transmission rates must be decreased by a factor equal to the number of separate paths observed

T5D12

29. What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

• A. 0.2 volts
• B. 8 volts
• C. 12 volts
• D. 20 volts

T7D06

30. Which of the following can damage a multimeter?

• A. Attempting to measure resistance using the voltage setting
• B. Not allowing it to warm up properly
• C. Failing to connect one of the probes to ground
• D. Attempting to measure voltage when using the resistance setting

T4B11

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

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

T6D07

32. Which of the following is commonly used as a visual indicator?

• A. Zener diode
• B. FET
• C. LED
• D. Bipolar transistor

T3C09

33. What is generally the best time for long-distance 10 meter band propagation via the F region?

• A. From shortly after sunset to dawn during periods of low sunspot activity
• B. From dawn to shortly after sunset during periods of low sunspot activity
• C. From dawn to shortly after sunset during periods of high sunspot activity
• D. From shortly after sunset to dawn during periods of high sunspot activity

T8A06

34. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Upper sideband
• B. Suppressed sideband
• C. Lower sideband
• D. Inverted sideband

T0B07

35. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. All these choices are correct
• B. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• C. This type of tower must never be grounded
• D. This type of tower must never be painted