Practice Exam

T0C07

1. What hazard is created by touching an antenna during a transmission?

• A. RF burn to skin
• B. All these choices are correct
• C. Radiation poisoning
• D. Electrocution

T8D12

2. Which of the following best describes an amateur radio mesh network?

• A. A satellite communications network using modified commercial satellite TV hardware
• B. An internet linking protocol used to network repeaters
• C. An amateur-radio based data network using commercial Wi-Fi equipment with modified firmware
• D. A wide-bandwidth digital voice mode employing DMR protocols

T6B02

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

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

T6D02

4. What is a relay?

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

T4B01

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

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

T8B08

6. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite operates using ultraviolet frequencies
• B. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
• C. The satellite frequencies are usually variable
• D. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

T8C11

7. What is an amateur radio station that connects other amateur stations to the internet?

• A. A digipeater
• B. A repeater
• C. A beacon
• D. A gateway

T0B04

8. Which of the following is an important safety precaution to observe when putting up an antenna tower?

• A. Insulate the base of the tower to avoid lightning strikes
• B. Wear a ground strap connected to your wrist at all times
• C. All these choices are correct
• D. Look for and stay clear of any overhead electrical wires

T7A01

9. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Selectivity
• B. Total Harmonic Distortion
• C. Sensitivity
• D. Linearity

T2B03

10. Which of the following describes a linked repeater network?

• A. A system of repeaters linked by APRS
• B. A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
• C. Multiple repeaters with the same control operator
• D. A single repeater with more than one receiver

T7C06

11. What does an SWR reading of 4:1 indicate?

• A. Impedance mismatch
• B. Good impedance match
• C. Loss of -4 dB
• D. Gain of +4 dB

T1E09

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

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

T5A06

13. What is the unit of frequency?

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

T7D11

14. Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

• A. Ensure that the applied voltages are correct
• B. Ensure that the circuit is grounded
• C. Ensure that the circuit is not powered
• D. Ensure that the circuit is operating at the correct frequency

T1C08

15. What is the normal term for an FCC-issued amateur radio license?

• A. Ten years
• B. Five years
• C. Life
• D. Eight years

T2A01

16. What is a common repeater frequency offset in the 2 meter band?

• A. Plus or minus 600 kHz
• B. Plus or minus 1 MHz
• C. Plus or minus 5 MHz
• D. Plus or minus 500 kHz

T6A03

17. What electrical parameter is controlled by a potentiometer?

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

T1B01

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

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

T1D11

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

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

T1F09

20. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Beacon station
• B. Repeater station
• C. Message forwarding station
• D. Earth station

T9B10

21. What is the electrical difference between RG-58 and RG-213 coaxial cable?

• A. RG-58 cable has two shields
• B. There is no significant difference between the two types
• C. RG-213 cable has less loss at a given frequency
• D. RG-58 cable can handle higher power levels

T3A02

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

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

T9A05

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

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

T3C06

24. What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

• A. Faraday rotation
• B. D region refraction
• C. F2 region refraction
• D. Tropospheric ducting

T3B10

25. What frequency range is referred to as HF?

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

T8A01

26. Which of the following is a form of amplitude modulation?

• A. Spread spectrum
• B. Packet radio
• C. Phase shift keying (PSK)
• D. Single sideband

T1A11

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

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

T5D07

28. What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

• A. 0.667 amperes
• B. 200 amperes
• C. 9600 amperes
• D. 1.5 amperes

T0A12

29. Which of the following precautions should be taken when measuring high voltages with a voltmeter?

• A. Ensure that the voltmeter has very low impedance
• B. Ensure that the voltmeter is set to the correct frequency
• C. Ensure that the voltmeter and leads are rated for use at the voltages to be measured
• D. Ensure that the circuit is grounded through the voltmeter

T6C03

30. What is component 2 in figure T-1?

• A. Connector
• B. Indicator lamp
• C. Resistor
• D. Transistor

T5B01

31. How many milliamperes is 1.5 amperes?

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

T7B01

32. What can you do if you are told your FM handheld or mobile transceiver is over-deviating?

• A. Change to a higher power level
• B. Talk louder into the microphone
• C. Let the transceiver cool off
• D. Talk farther away from the microphone

T5C08

33. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E / I
• B. P = E + I
• C. P = E * I
• D. P = E - I

T4A11

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

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

T2C02

35. 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. Ensure that all stations checking into the net are properly licensed for operation on the net frequency
• C. Choose the regular net meeting time and frequency
• D. All these choices are correct