US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

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1. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Shorting the terminals can cause burns, fire, or an explosion
B	All these choices are correct
C	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas
D	Touching both terminals with the hands can cause electrical shock

2. - T0B06

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

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

3. - T0C09

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

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

4. - T1A10

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

Select	Answer
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 frequencies for emergency management or civil defense communications
C	A radio service using amateur stations for emergency management or civil defense communications
D	All these choices are correct

5. - T1B11

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

Select	Answer
A	100 watts
B	50 watts
C	200 watts
D	10 watts

6. - T1C07

Which of the following can result in revocation of the station license or suspension of the operator license?

Select	Answer
A	Failure to have a copy of your license available at your station
B	Failure to provide and maintain a correct email address with the FCC
C	Failure to inform the FCC of any changes in the amateur station following performance of an RF safety environmental evaluation
D	Failure to obtain FCC type acceptance prior to using a home-built transmitter

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When transmitting signals to control model craft
B	When the transmissions are of a brief nature to make station adjustments
C	When the transmissions are unmodulated
D	When the transmitted power level is below 1 watt

8. - T1E03

Who must designate the station control operator?

Select	Answer
A	Any licensed operator
B	The FCC
C	The station licensee
D	The frequency coordinator

9. - T1F09

What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

Select	Answer
A	Earth station
B	Beacon station
C	Message forwarding station
D	Repeater station

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	446.000 MHz
B	432.100 MHz
C	146.520 MHz
D	145.000 MHz

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	D-STAR
B	CTCSS
C	DTMF
D	GPRS

12. - T2C01

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

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

13. - T3A05

When using a directional antenna, how might your station be able to communicate with a distant repeater if buildings or obstructions are blocking the direct line of sight path?

Select	Answer
A	Try the long path
B	Change from vertical to horizontal polarization
C	Increase the antenna SWR
D	Try to find a path that reflects signals to the repeater

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They travel at different speeds
B	They revolve in opposite directions
C	They are in parallel
D	They are at right angles

15. - T3C02

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

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

16. - T4A03

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

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

17. - T4B08

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

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

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Voltage
B	Ampere-hours
C	Capacitance
D	Inductance

19. - T5B04

Which is equal to one microvolt?

Select	Answer
A	One one-millionth of a volt
B	One million volts
C	One thousand kilovolts
D	One one-thousandth of a volt

20. - T5C12

What is impedance?

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

21. - T5D07

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

Select	Answer
A	0.667 amperes
B	1.5 amperes
C	9600 amperes
D	200 amperes

22. - T6A10

Which of the following battery chemistries is rechargeable?

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

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Gate and base
B	Anode and cathode
C	Source and drain
D	Plus and minus

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Regulator IC
B	Inductor
C	Light emitting diode
D	Resistor

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Capacitor
B	Potentiometer
C	Resistor
D	Zener diode

26. - T7A10

What device increases the transmitted output power from a transceiver?

Select	Answer
A	An RF power amplifier
B	All these choices are correct
C	An impedance network
D	A voltage divider

27. - T7B08

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

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

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A Q meter
B	A VTVM
C	An antenna analyzer
D	A frequency counter

29. - T7D11

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

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

30. - T8A05

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

Select	Answer
A	FM voice
B	SSB voice
C	Slow-scan TV
D	CW

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A mode where the satellite receives signals on one band and transmits on another
B	An observed change in signal frequency caused by relative motion between the satellite and Earth station
C	A change in the satellite orbit
D	A special digital communications mode for some satellites

32. - T8C03

What operating activity involves contacting as many stations as possible during a specified period?

Select	Answer
A	Contesting
B	Public service events
C	Net operations
D	Simulated emergency exercises

33. - T8D07

Which of the following describes DMR?

Select	Answer
A	A technique for time-multiplexing two digital voice signals on a single 12.5 kHz repeater channel
B	An automatic computer logging technique for hands-off logging when communicating while operating a vehicle
C	A digital technique for transmitting on two repeater inputs simultaneously for automatic error correction
D	An automatic position tracking mode for FM mobiles communicating through repeaters

34. - T9A04

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

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

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	50-ohm flexible coax
B	Multi-conductor unbalanced cable
C	Air-insulated hardline
D	75-ohm flexible coax

Figure T-2