Practice Exam

T7C10

1. 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 and RF signals can mix, causing interference
• C. Ultraviolet resistant jackets prevent harmonic radiation
• D. Ultraviolet light can increase losses in the cable's jacket

T8D09

2. What is CW?

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

T8B01

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

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

T4A01

4. Which of the following is an appropriate power supply rating for a typical 50 watt output mobile FM transceiver?

• A. 13.8 volts at 4 amperes
• B. 24.0 volts at 12 amperes
• C. 13.8 volts at 12 amperes
• D. 24.0 volts at 4 amperes

T2A11

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

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

T1E06

6. When, under normal circumstances, may a Technician class licensee be the control operator of a station operating in an Amateur Extra Class band segment?

• A. At no time
• B. When using a club station whose trustee holds an Amateur Extra Class license
• C. When designated as the control operator by an Amateur Extra Class licensee
• D. As part of a multi-operator contest team

T6B05

7. What type of transistor has a gate, drain, and source?

• A. Field-effect
• B. Tesla-effect
• C. Bipolar junction
• D. Varistor

T5C12

8. What is impedance?

• A. The Q or Quality Factor of a component
• B. The power handling capability of a component
• C. The opposition to AC current flow
• D. The inverse of resistance

T2C04

9. What is RACES?

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

T1B03

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

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

T1C04

11. What may happen if the FCC is unable to reach you by email?

• A. Revocation of access to the license record in the FCC system
• B. Revocation of the station license or suspension of the operator license
• C. Fine and suspension of operator license
• D. Nothing; there is no such requirement

T3B03

12. What are the two components of a radio wave?

• A. Ionizing and non-ionizing radiation
• B. Voltage and current
• C. Electric and magnetic fields
• D. Impedance and reactance

T1F11

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

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

T6D07

14. Which of the following is commonly used as a visual indicator?

• A. Zener diode
• B. FET
• C. LED
• D. Bipolar transistor

T2B04

15. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. You are using the wrong CTCSS tone
• B. You are using the wrong DCS code
• C. All these choices are correct
• D. Improper transceiver offset

T5A03

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

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

T1A09

17. Who selects a Frequency Coordinator?

• A. The local chapter of the Office of National Council of Independent Frequency Coordinators
• B. The FCC Office of Spectrum Management and Coordination Policy
• C. FCC Regional Field Office
• D. Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

T0C09

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

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

T3C02

19. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. HF antennas are generally smaller
• B. HF accommodates wider bandwidth signals
• C. Long-distance ionospheric propagation is far more common on HF
• D. There is less atmospheric interference (static) on HF

T4B08

20. 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. Permits monitoring several modes at once by selecting a separate filter for each mode
• D. Increases the amount of offset between receive and transmit frequencies

T8A06

21. Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

• A. Lower sideband
• B. Suppressed sideband
• C. Upper sideband
• D. Inverted sideband

T6A06

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

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

T9B02

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

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

T5D01

24. What formula is used to calculate current in a circuit?

• A. I = E + R
• B. I = E / R
• C. I = E - R
• D. I = E * R

T7D11

25. Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

• A. Ensure that the circuit is not powered
• B. Ensure that the applied voltages are correct
• C. Ensure that the circuit is operating at the correct frequency
• D. Ensure that the circuit is grounded

T6C04

26. What is component 3 in figure T-1?

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

T5B03

27. Which is equal to one kilovolt?

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

T9A01

28. What is a beam antenna?

• A. An antenna that reverses the phase of received signals
• B. An antenna that concentrates signals in one direction
• C. An omnidirectional antenna invented by Clarence Beam
• D. An antenna built from aluminum I-beams

T8C05

29. What is a grid locator?

• A. An instrument for radio direction finding
• B. An instrument for neutralizing a final amplifier
• C. A letter-number designator assigned to an azimuth and elevation
• D. A letter-number designator assigned to a geographic location

T7A04

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

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

T0A12

31. Which of the following precautions should be taken when measuring high voltages with a voltmeter?

• A. Ensure that the voltmeter and leads are rated for use at the voltages to be measured
• B. Ensure that the voltmeter is set to the correct frequency
• C. Ensure that the circuit is grounded through the voltmeter
• D. Ensure that the voltmeter has very low impedance

T0B06

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

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

T7B01

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

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

T1D05

34. When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

• A. When selling amateur radio equipment and not on a regular basis
• B. Never
• C. When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
• D. When no profit is made on the sale

T3A06

35. What is the meaning of the term "picket fencing"?

• A. A type of ground system used with vertical antennas
• B. Local vs long-distance communications
• C. Rapid flutter on mobile signals due to multipath propagation
• D. Alternating transmissions during a net operation