Practice Exam

T8B08

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

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

T3C01

2. Why are simplex UHF signals rarely heard beyond their radio horizon?

• A. They are too weak to go very far
• B. UHF signals are usually not propagated by the ionosphere
• C. FCC regulations prohibit them from going more than 50 miles
• D. UHF signals are absorbed by the ionospheric D region

T0B09

3. Why should you avoid attaching an antenna to a utility pole?

• A. The antenna will not work properly because of induced voltages
• B. The 60 Hz radiations from the feed line may increase the SWR
• C. All these choices are correct
• D. The antenna could contact high-voltage power lines

T9B01

4. What is a benefit of low SWR?

• A. Reduced signal loss
• B. Less antenna wear
• C. Reduced television interference
• D. All these choices are correct

T1E01

5. When may an amateur station transmit without a control operator?

• A. When the station licensee is away and another licensed amateur is using the station
• B. When the transmitting station is an auxiliary station
• C. When using automatic control, such as in the case of a repeater
• D. Never

T5C11

6. How much current is required to deliver 120 watts at a voltage of 12 volts DC?

• A. 132 amperes
• B. 10 amperes
• C. 12 amperes
• D. 0.1 amperes

T1B03

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

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

T2C05

8. What does the term "traffic" refer to in net operation?

• A. Operation by mobile or portable stations
• B. The number of stations checking in and out of a net
• C. Messages exchanged by net stations
• D. Requests to activate the net by a served agency

T8D03

9. What kind of data can be transmitted by APRS?

• A. Weather data
• B. GPS position data
• C. All these choices are correct
• D. Text messages

T4B08

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

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

T5B06

11. Which is equal to 3000 milliamperes?

• A. 3,000,000 amperes
• B. 0.003 amperes
• C. 3 amperes
• D. 0.3 amperes

T1F10

12. Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

• A. The control operator of the repeater
• B. Both the originating station and the repeater owner
• C. The control operator of the originating station
• D. The owner of the repeater

T5A03

13. What is the name for the flow of electrons in an electric circuit?

• A. Capacitance
• B. Voltage
• C. Resistance
• D. Current

T1A03

14. What do the FCC rules state regarding the use of a phonetic alphabet for station identification in the Amateur Radio Service?

• A. It is required when transmitting emergency messages
• B. All these choices are correct
• C. It is encouraged
• D. It is required when in contact with foreign stations

T2A06

15. Which of the following is required when making on-the-air test transmissions?

• A. Notify the FCC of the transmissions
• B. Identify the transmitting station
• C. Conduct tests only between 10 p.m. and 6 a.m. local time
• D. All these choices are correct

T2B13

16. What is the purpose of a squelch function?

• A. Reduce a CW transmitter's key clicks
• B. Mute the receiver audio when a signal is not present
• C. Eliminate parasitic oscillations in an RF amplifier
• D. Reduce interference from impulse noise

T0C07

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

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

T8C09

18. Which of the following protocols enables an amateur station to transmit through a repeater without using a radio to initiate the transmission?

• A. IRLP
• B. DMR
• C. EchoLink
• D. D-STAR

T9A11

19. What is antenna gain?

• A. The increase in impedance on receive or transmit compared to a reference antenna
• B. The increase in signal strength in a specified direction compared to a reference antenna
• C. The additional power that is required in the antenna when transmitting on a higher frequency
• D. The additional power that is added to the transmitter power

T8A04

20. Which type of modulation is commonly used for VHF and UHF voice repeaters?

• A. AM
• B. SSB
• C. PSK
• D. FM or PM

T3A02

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

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

T7A04

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

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

T7D08

23. Which of the following types of solder should not be used for radio and electronic applications?

• A. Acid-core solder
• B. Rosin-core solder
• C. Tin-copper solder
• D. Lead-tin solder

T1D08

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

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

T7B01

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

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

T5D07

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

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

T6A11

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

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

T6B11

28. What is the term that describes a device's ability to amplify a signal?

• A. On resistance
• B. Gain
• C. Forward voltage drop
• D. Forward resistance

T3B10

29. What frequency range is referred to as HF?

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

T6C07

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

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

T4A10

31. What function is performed with a transceiver and a digital mode hot spot?

• A. High-speed digital communications for meteor scatter
• B. Communication using digital voice or data systems via the internet
• C. FT8 digital communications via AFSK
• D. RTTY encoding and decoding without a computer

T1C11

32. If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

• A. No, you must wait until the license has been renewed
• B. Yes, for up to two years
• C. Yes, for up to one year
• D. Yes, as soon as you apply for renewal

T0A05

33. Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

• A. All these choices are correct
• B. The larger fuse would be likely to blow because it is rated for higher current
• C. The power supply ripple would greatly increase
• D. Excessive current could cause a fire

T6D11

34. Which of the following is a resonant or tuned circuit?

• A. A resistor circuit used for reducing standing wave ratio
• B. A circuit designed to provide high-fidelity audio
• C. A linear voltage regulator
• D. An inductor and a capacitor in series or parallel

T7C07

35. What happens to power lost in a feed line?

• A. It is radiated as harmonics
• B. It is converted into heat
• C. It increases the SWR
• D. It distorts the signal