Practice Exam

T7D02

1. How is a voltmeter connected to a component to measure applied voltage?

• A. In quadrature
• B. In parallel
• C. In phase
• D. In series

T0C12

2. How does RF radiation differ from ionizing radiation (radioactivity)?

• A. RF radiation is perfectly safe
• B. RF radiation is limited in range to a few feet
• C. RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
• D. RF radiation can only be detected with an RF dosimeter

T0B02

3. What is required when climbing an antenna tower?

• A. Have sufficient training on safe tower climbing techniques
• B. Use appropriate tie-off to the tower at all times
• C. Always wear an approved climbing harness
• D. All these choices are correct

T8B02

4. What is the impact of using excessive effective radiated power on a satellite uplink?

• A. Overloading the satellite batteries
• B. Possibility of commanding the satellite to an improper mode
• C. Blocking access by other users
• D. Possibility of rebooting the satellite control computer

T4B10

5. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

• A. 2400 Hz
• B. 1000 Hz
• C. 5000 Hz
• D. 500 Hz

T8D10

6. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. Earth-Moon-Earth
• B. Meteor scatter
• C. Weak signal propagation beacons
• D. All these choices are correct

T7A09

7. What is the function of the SSB/CW-FM switch on a VHF power amplifier?

• A. Change the frequency range of the amplifier to operate in the proper segment of the band
• B. Change the mode of the transmitted signal
• C. Reduce the received signal noise
• D. Set the amplifier for proper operation in the selected mode

T6A11

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

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

T6D04

9. Which of the following displays an electrical quantity as a numeric value?

• A. Potentiometer
• B. Relay
• C. Transistor
• D. Meter

T8C06

10. How is over the air access to IRLP nodes accomplished?

• A. By using CTCSS tone codes
• B. By entering the proper internet password
• C. By obtaining a password that is sent via voice to the node
• D. By using DTMF signals

T6B01

11. Which is true about forward voltage drop in a diode?

• A. It has no impact on the voltage delivered to the load
• B. It is lower in some diode types than in others
• C. It is proportional to peak inverse voltage
• D. It indicates that the diode is defective

T2C11

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

T9B03

13. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It is less expensive than any other type of feed line
• B. It has less loss than any other type of feed line
• C. It is easy to use and requires few special installation considerations
• D. It can handle more power than any other type of feed line

T1F01

14. When must the station and its records be available for FCC inspection?

• A. Only when presented with a valid warrant by an FCC official or government agent
• B. At any time upon request by an FCC representative
• C. At any time after written notification by the FCC of such inspection
• D. At any time ten days after notification by the FCC of such an inspection

T5D03

15. What formula is used to calculate resistance in a circuit?

• A. R = E + I
• B. R = E / I
• C. R = E x I
• D. R = E - I

T3B08

16. What frequency range is referred to as VHF?

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

T5A11

17. What type of current flow is opposed by resistance?

• A. All these choices are correct
• B. RF current
• C. Alternating current
• D. Direct current

T2B09

18. Why are simplex channels designated in the VHF/UHF band plans?

• A. So stations within range of each other can communicate without tying up a repeater
• B. So stations with simple transmitters can access the repeater without automated offset
• C. For contest operation
• D. For working DX only

T9A06

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

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

T3C06

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

T1A02

21. Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

• A. The FCC
• B. FEMA
• C. All these choices are correct
• D. Homeland Security

T1D08

22. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. All these choices are correct
• B. When the communication is related to the sale of amateur equipment by the control operator's employer
• C. When the communication is incidental to classroom instruction at an educational institution
• D. When the communication is made to obtain emergency information for a local broadcast station

T1B01

23. 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

T8A06

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

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

T4A06

25. What signals are used in a computer-radio interface for digital mode operation?

• A. Receive and transmit mode, status, and location
• B. Antenna and RF power
• C. NMEA GPS location and DC power
• D. Receive audio, transmit audio, and transmitter keying

T6C04

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

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

T1C08

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

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

T2A02

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

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

T7C10

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

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

T7B07

30. Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

• A. Using double-shielded coaxial cable
• B. Installing bypass capacitors on the microphone cable
• C. Installing an RF preamplifier
• D. Installing a band-reject filter

T1E09

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

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

T0A06

32. What is a good way to guard against electrical shock at your station?

• A. Use three-wire cords and plugs for all AC powered equipment
• B. Connect all AC powered station equipment to a common safety ground
• C. Install mechanical interlocks in high-voltage circuits
• D. All these choices are correct

T3A05

33. When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

• A. Try the long path
• B. Increase the antenna SWR
• C. Try to find a path that reflects signals to the repeater
• D. Change from vertical to horizontal polarization

T5B01

34. How many milliamperes is 1.5 amperes?

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

T5C10

35. How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

• A. 0.208 watts
• B. 14.5 watts
• C. 30 watts
• D. 4.8 watts