Practice Exam

T4B04

1. What is a way to enable quick access to a favorite frequency or channel on your transceiver?

• A. Use the scan mode to select the desired frequency
• B. Enable the frequency offset
• C. Store it in a memory channel
• D. Enable the VOX

T6B06

2. How is the cathode lead of a semiconductor diode often marked on the package?

• A. With the letter K
• B. With the word "cathode"
• C. With a stripe
• D. With the letter C

T7D01

3. Which instrument would you use to measure electric potential?

• A. An ohmmeter
• B. A voltmeter
• C. An ammeter
• D. A wavemeter

T1C05

4. Which of the following is a valid Technician class call sign format?

• A. All these choices are correct
• B. KA1X
• C. KF1XXX
• D. W1XX

T1B03

5. 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

T2B02

6. What term describes the use of a sub-audible tone transmitted along with normal voice audio to open the squelch of a receiver?

• A. DTMF
• B. Tone burst
• C. Carrier squelch
• D. CTCSS

T5D06

7. What is the resistance of a circuit that draws 4 amperes from a 12-volt source?

• A. 48 ohms
• B. 16 ohms
• C. 3 ohms
• D. 8 ohms

T2A03

8. What is a common repeater frequency offset in the 70 cm band?

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

T4A02

9. Which of the following should be considered when selecting an accessory SWR meter?

• A. All these choices are correct
• B. The frequency and power level at which the measurements will be made
• C. The types of modulation being used at the station
• D. The distance that the meter will be located from the antenna

T8D08

10. Which of the following is included in packet radio transmissions?

• A. All these choices are correct
• B. Automatic repeat request in case of error
• C. A header that contains the call sign of the station to which the information is being sent
• D. A check sum that permits error detection

T1F05

11. What method of call sign identification is required for a station transmitting phone signals?

• A. Send the call sign using only a phone emission
• B. Send the call sign followed by the indicator RPT
• C. Send the call sign followed by the indicator R
• D. Send the call sign using a CW or phone emission

T1D07

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

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

T5B02

13. Which is equal to 1,500,000 hertz?

• A. 1500 kHz
• B. 15 GHz
• C. 1500 MHz
• D. 150 kHz

T6C02

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

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

T3A04

15. What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

• A. The modulation sidebands might become inverted
• B. Signals have an echo effect
• C. Received signal strength is reduced
• D. Nothing significant will happen

T7A11

16. Where is an RF preamplifier installed?

• A. At the output of the receiver audio amplifier
• B. Between the antenna and receiver
• C. At the output of the transmitter power amplifier
• D. Between the transmitter and the antenna tuner

T0C02

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

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

T7B10

18. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. All these choices are correct
• B. Your batteries are running low
• C. Your transmitter is slightly off frequency
• D. You are in a bad location

T2C04

19. What is RACES?

• A. An international radio experimentation society
• B. A radio contest held in a short period, sometimes called a "sprint"
• C. An FCC part 97 amateur radio service for civil defense communications during national emergencies
• D. An emergency organization combining amateur radio and citizens band operators and frequencies

T8B04

20. What mode of transmission is commonly used by amateur radio satellites?

• A. All these choices are correct
• B. CW/data
• C. SSB
• D. FM

T5A02

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

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

T8C09

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

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

T0A09

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

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

T0B04

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

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

T9A03

25. Which of the following describes a simple dipole oriented parallel to Earth's surface?

• A. A vertically polarized antenna
• B. A travelling-wave antenna
• C. A horizontally polarized antenna
• D. A ground-wave antenna

T8A07

26. What is a characteristic of single sideband (SSB) compared to FM?

• A. SSB signals are less susceptible to interference
• B. All these choices are correct
• C. SSB signals have narrower bandwidth
• D. SSB signals are easier to tune in correctly

T1E03

27. Who must designate the station control operator?

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

T6A02

28. What type of component is often used as an adjustable volume control?

• A. Transformer
• B. Potentiometer
• C. Power resistor
• D. Fixed resistor

T3C04

29. Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

• A. Sporadic E
• B. Gray-line propagation
• C. D region absorption
• D. Backscatter

T7C06

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

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

T6D06

31. What component changes 120 V AC power to a lower AC voltage for other uses?

• A. Transistor
• B. Diode
• C. Variable capacitor
• D. Transformer

T9B06

32. Which of the following RF connector types is most suitable for frequencies above 400 MHz?

• A. UHF (PL-259/SO-239)
• B. RS-213
• C. DB-25
• D. Type N

T5C02

33. What is the unit of capacitance?

• A. The ohm
• B. The volt
• C. The farad
• D. The henry

T1A10

34. What is the Radio Amateur Civil Emergency Service (RACES)?

• A. All these choices are correct
• B. A radio service using amateur frequencies for emergency management or civil defense communications
• C. An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
• D. A radio service using amateur stations for emergency management or civil defense communications

T3B11

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

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