Practice Exam

T6C05

1. What is component 4 in figure T-1?

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

T9B03

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

T4B09

3. How is a specific group of stations selected on a digital voice transceiver?

• A. By activating automatic identification
• B. By retrieving the frequencies from transceiver memory
• C. By enabling the group's CTCSS tone
• D. By entering the group's identification code

T3C07

4. What band is best suited for communicating via meteor scatter?

• A. 6 meters
• B. 2 meters
• C. 70 centimeters
• D. 33 centimeters

T7D03

5. When configured to measure current, how is a multimeter connected to a component?

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

T2C01

6. When do FCC rules NOT apply to the operation of an amateur station?

• A. FCC rules always apply
• B. When operating under special ARES rules
• C. When operating a RACES station
• D. When operating under special FEMA rules

T1B05

7. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Fast-scan television only
• B. Fixed digital message forwarding systems only
• C. Emergency traffic only
• D. Spread spectrum only

T0C04

8. What factors affect the RF exposure of people near an amateur station antenna?

• A. Distance from the antenna to a person
• B. Frequency and power level of the RF field
• C. All these choices are correct
• D. Radiation pattern of the antenna

T2B09

9. 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 working DX only
• D. For contest operation

T7A01

10. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Linearity
• B. Total Harmonic Distortion
• C. Sensitivity
• D. Selectivity

T1E04

11. What determines the transmitting frequency privileges of an amateur station?

• A. The class of operator license held by the control operator
• B. The frequency authorized by the frequency coordinator
• C. The frequencies printed on the license grant
• D. The highest class of operator license held by anyone on the premises

T8C09

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

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

T6B11

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

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

T6A06

14. What type of electrical component stores energy in a magnetic field?

• A. Diode
• B. Varistor
• C. Inductor
• D. Capacitor

T8A12

15. Which of the following is a disadvantage of FM compared with single sideband?

• A. Only one signal can be received at a time
• B. FM signals are harder to tune
• C. Voice quality is poorer
• D. All these choices are correct

T4A12

16. What is an electronic keyer?

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

T5A08

17. Which of the following is a good electrical insulator?

• A. Glass
• B. Aluminum
• C. Copper
• D. Mercury

T0A11

18. What hazard exists in a power supply immediately after turning it off?

• A. Circulating currents in the dc filter
• B. Voltage transients from kickback diodes
• C. Charge stored in filter capacitors
• D. Leakage flux in the power transformer

T1D09

19. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. When broadcasting communications to or from the space shuttle
• B. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• C. Never
• D. When such communications are directly related to the immediate safety of human life or protection of property

T5D05

20. What is the resistance of a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes?

• A. 8 ohms
• B. 0.125 ohms
• C. 13.5 ohms
• D. 18 ohms

T9A04

21. What is a disadvantage of the short, flexible antenna supplied with most handheld radio transceivers, compared to a full-sized quarter-wave antenna?

• A. It is mechanically fragile
• B. All these choices are correct
• C. It has low efficiency
• D. It transmits only circularly polarized signals

T1A10

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

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

T5B06

23. Which is equal to 3000 milliamperes?

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

T0B06

24. What is the minimum safe distance from a power line to allow when installing an antenna?

• A. Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
• B. Enough so that if the antenna falls, no part of it can come closer than 10 feet to the power wires
• C. The height of the power line above ground
• D. 1/2 wavelength at the operating frequency

T3A02

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

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

T7B08

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

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

T1F02

27. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. At the end of every transmission
• B. Once during every hour
• C. At the end of each communication and every ten minutes during a communication
• D. Never, the tactical call is sufficient

T7C09

28. Which of the following causes failure of coaxial cables?

• A. Moisture contamination
• B. Operation at 100% duty cycle for an extended period
• C. Rapid fluctuation in transmitter output power
• D. Solder flux contamination

T8D02

29. What is a "talkgroup" on a DMR repeater?

• A. A net that meets at a specified time
• B. A way for groups of users to share a channel at different times without hearing other users on the channel
• C. A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
• D. A group of operators sharing common interests

T1C01

30. For which license classes are new licenses currently available from the FCC?

• A. Novice, Technician, General, Amateur Extra
• B. Technician, General, Amateur Extra
• C. Technician, Technician Plus, General, Amateur Extra
• D. Novice, Technician Plus, General, Advanced

T6D09

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

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

T3B09

32. What frequency range is referred to as UHF?

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

T2A09

33. Which of the following indicates that a station is listening on a repeater and looking for a contact?

• A. The repeater call sign followed by the station's call sign
• B. The station's call sign followed by the word "monitoring"
• C. "CQ CQ" followed by the repeater's call sign
• D. "QSY" followed by your call sign

T8B08

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

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

T5C03

35. What describes the ability to store energy in a magnetic field?

• A. Capacitance
• B. Resistance
• C. Inductance
• D. Admittance