Practice Exam

T4B10

1. 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

T5D08

2. What is the current through a 100-ohm resistor connected across 200 volts?

• A. 0.5 amperes
• B. 20,000 amperes
• C. 2 amperes
• D. 100 amperes

T5B10

3. Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

• A. -6 dB
• B. -1 dB
• C. -3 dB
• D. -9 dB

T6B02

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

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

T7D08

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

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

T8D09

6. What is CW?

• A. A technique for coil winding
• B. A digital mode used primarily on 2 meter FM
• C. A type of electromagnetic propagation
• D. Another name for a Morse code transmission

T6D09

7. What is the name of a device that combines several semiconductors and other components into one package?

• A. Multi-pole relay
• B. Integrated circuit
• C. Transformer
• D. Transducer

T8B09

8. What causes spin fading of satellite signals?

• A. Doppler shift of the received signal
• B. Interfering signals within the satellite uplink band
• C. Circular polarized noise interference radiated from the sun
• D. Rotation of the satellite and its antennas

T8C06

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

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

T1A11

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

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

T1D04

11. Under what conditions is an amateur station authorized to transmit music using a phone emission?

• A. When the music produces no spurious emissions
• B. When transmissions are limited to less than three minutes per hour
• C. When the music is transmitted above 1280 MHz
• D. When incidental to an authorized retransmission of manned spacecraft communications

T0A08

12. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In parallel with the hot and neutral conductors
• B. In parallel with the hot conductor only
• C. In series with the hot conductor only
• D. In series with the hot and neutral conductors

T1E07

13. When the control operator is not the station licensee, who is responsible for the proper operation of the station?

• A. Only the control operator
• B. The control operator and the station licensee
• C. All licensed amateurs who are present at the operation
• D. Only the station licensee

T7B08

14. What should you do if something in a neighbor's home is causing harmful interference to your amateur station?

• A. Work with your neighbor to identify the offending device
• B. Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
• C. All these choices are correct
• D. Make sure your station meets the standards of good amateur practice

T3A10

15. What effect does multi-path propagation have on data transmissions?

• A. Error rates are likely to increase
• B. Transmission rates must be decreased by a factor equal to the number of separate paths observed
• C. Transmission rates must be increased by a factor equal to the number of separate paths observed
• D. No significant changes will occur if the signals are transmitted using FM

T7A07

16. What is the function of a transceiver's PTT input?

• A. Input for a key used to send CW
• B. Switches transceiver from receive to transmit when grounded
• C. Provides a transmit tuning tone when grounded
• D. Input for a preamplifier tuning tone

T5A04

17. What are the units of electrical resistance?

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

T7C10

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

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

T6C07

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

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

T0B04

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

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

T2A08

21. What is the meaning of the procedural signal "CQ"?

• A. Only the called station should transmit
• B. Call on the quarter hour
• C. Test transmission, no reply expected
• D. Calling any station

T9B02

22. What is the most common impedance of coaxial cables used in amateur radio?

• A. 50 ohms
• B. 8 ohms
• C. 600 ohms
• D. 12 ohms

T1C09

23. What is the grace period for renewal if an amateur license expires?

• A. Three years
• B. Ten years
• C. Two years
• D. Five years

T2B10

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

• A. QSB
• B. QTH
• C. QRM
• D. QRN

T8A05

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

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

T2C05

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

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

T3B10

27. What frequency range is referred to as HF?

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

T4A03

28. Why are short, heavy-gauge wires used for a transceiver's DC power connection?

• A. To provide a good counterpoise for the antenna
• B. All these choices are correct
• C. To minimize voltage drop when transmitting
• D. To avoid RF interference

T6A10

29. Which of the following battery chemistries is rechargeable?

• A. Lead-acid
• B. Lithium-ion
• C. All these choices are correct
• D. Nickel-metal hydride

T9A09

30. What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

• A. 236
• B. 112
• C. 50
• D. 6

T3C04

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

T1F11

32. Which of the following is a requirement for the issuance of a club station license grant?

• A. The trustee must have an Amateur Extra Class operator license grant
• B. The club must have at least four members
• C. All these choices are correct
• D. The club must be registered with the American Radio Relay League

T5C02

33. What is the unit of capacitance?

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

T0C09

34. How can you make sure your station stays in compliance with RF safety regulations?

• A. All these choices are correct
• B. By making sure your antennas have low SWR
• C. By re-evaluating the station whenever an item in the transmitter or antenna system is changed
• D. By informing the FCC of any changes made in your station

T1B11

35. What is the maximum peak envelope power output for Technician class operators in their HF band segments?

• A. 200 watts
• B. 50 watts
• C. 100 watts
• D. 10 watts