Practice Exam

T3A07

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

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

T9A07

2. What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

• A. All these choices are correct
• B. The SWR might decrease, decreasing the signal strength
• C. The bandwidth of the antenna will decrease, increasing SWR
• D. Signal strength is reduced due to the shielding effect of the vehicle

T2B10

3. Which Q signal indicates that you are receiving interference from other stations?

• A. QRM
• B. QTH
• C. QRN
• D. QSB

T1F06

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

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

T8D13

5. What is FT8?

• A. A wideband FM voice mode
• B. An eight channel multiplex mode for FM repeaters
• C. A digital mode capable of low signal-to-noise operation
• D. A digital slow-scan TV mode with forward error correction and automatic color compensation

T7C10

6. 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

T2C09

7. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. Yes, but only when part of a RACES emergency plan
• B. Yes, but only in situations involving the immediate safety of human life or protection of property
• C. No
• D. Yes, but only when part of a FEMA emergency plan

T0A09

8. What should be done to all external ground rods or earth connections?

• A. Tune them for resonance on the lowest frequency of operation
• B. Keep them as far apart as possible
• C. Waterproof them with silicone caulk or electrical tape
• D. Bond them together with heavy wire or conductive strap

T3C09

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

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

T6C07

10. What is component 8 in figure T-2?

• A. Resistor
• B. Inductor
• C. Light emitting diode
• D. Regulator IC

T8C03

11. What operating activity involves contacting as many stations as possible during a specified period?

• A. Simulated emergency exercises
• B. Public service events
• C. Net operations
• D. Contesting

T4B08

12. What is the advantage of having multiple receive bandwidth choices on a multimode transceiver?

• A. Permits noise or interference reduction by selecting a bandwidth matching the mode
• B. Increases the number of frequencies that can be stored in memory
• C. Increases the amount of offset between receive and transmit frequencies
• D. Permits monitoring several modes at once by selecting a separate filter for each mode

T5B03

13. Which is equal to one kilovolt?

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

T2A11

14. What term describes an amateur station that is transmitting and receiving on the same frequency?

• A. Simplex
• B. Full duplex
• C. Diplex
• D. Multiplex

T6A03

15. What electrical parameter is controlled by a potentiometer?

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

T5C10

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

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

T6B02

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

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

T1C03

18. What types of international communications are an FCC-licensed amateur radio station permitted to make?

• A. Any communications that would be permitted by an international broadcast station
• B. Only communications incidental to contest exchanges; all other communications are prohibited
• C. Communications incidental to conducting business or remarks of a personal nature
• D. Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character

T0C06

19. Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

• A. By measurement of field strength using calibrated equipment
• B. All these choices are correct
• C. By calculation based on computer modeling
• D. By calculation based on FCC OET Bulletin 65

T8B01

20. What telemetry information is typically transmitted by satellite beacons?

• A. Time of day accurate to plus or minus 1/10 second
• B. All these choices are correct
• C. The signal strength of received signals
• D. Health and status of the satellite

T4A12

21. What is an electronic keyer?

• A. A device for voice activated switching from receive to transmit
• B. A device that assists in manual sending of Morse code
• C. An interlock to prevent unauthorized use of a radio
• D. A device for switching antennas from transmit to receive

T7B04

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

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

T1A04

23. How many operator/primary station license grants may be held by any one person?

• A. No more than two
• B. One
• C. One for each permanent station location from which the person plans to operate
• D. One for each band on which the person plans to operate

T5A04

24. What are the units of electrical resistance?

• A. Mhos
• B. Siemens
• C. Coulombs
• D. Ohms

T6D03

25. Which of the following is a reason to use shielded wire?

• A. To couple the wire to other signals
• B. To decrease the resistance of DC power connections
• C. To increase the current carrying capability of the wire
• D. To prevent coupling of unwanted signals to or from the wire

T7D09

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

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

T1D08

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

T5D14

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

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

T9B04

29. What is the major function of an antenna tuner (antenna coupler)?

• A. It matches the antenna system impedance to the transceiver's output impedance
• B. It allows an antenna to be used on both transmit and receive
• C. It automatically selects the proper antenna for the frequency band being used
• D. It helps a receiver automatically tune in weak stations

T0B07

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

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

T3B11

31. What is the approximate velocity of a radio wave in free space?

• A. 300,000,000 miles per hour
• B. 150,000 meters per second
• C. 150,000 miles per hour
• D. 300,000,000 meters per second

T1E03

32. Who must designate the station control operator?

• A. The FCC
• B. The frequency coordinator
• C. Any licensed operator
• D. The station licensee

T7A05

33. What is the name of a circuit that generates a signal at a specific frequency?

• A. Phase modulator
• B. Reactance modulator
• C. Oscillator
• D. Low-pass filter

T1B07

34. Which of the following VHF/UHF band segments are limited to CW only?

• A. 50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz
• B. 219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
• C. All these choices are correct
• D. 902.0 MHz to 902.1 MHz

T8A05

35. Which of the following types of signal has the narrowest bandwidth?

• A. CW
• B. FM voice
• C. Slow-scan TV
• D. SSB voice