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. - T0A12

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

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

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	Ensure that connections are short and direct
B	Put a drip loop in the ground connection to prevent water damage to the ground system
C	Make sure all ground wire bends are right angles
D	All these choices are correct

3. - T0C06

Which of the following is an acceptable method to determine whether your station complies with FCC RF exposure regulations?

Select	Answer
A	By measurement of field strength using calibrated equipment
B	All these choices are correct
C	By calculation based on computer modeling
D	By calculation based on FCC OET Bulletin 65

4. - T1A09

Who selects a Frequency Coordinator?

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

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	28.50 MHz
B	49.00 MHz
C	222.15 MHz
D	52.525 MHz

6. - T1C11

If your license has expired and is still within the allowable grace period, may you continue to transmit on the amateur radio bands?

Select	Answer
A	Yes, for up to one year
B	No, you must wait until the license has been renewed
C	Yes, as soon as you apply for renewal
D	Yes, for up to two years

7. - T1D05

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

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

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Controlling a station over the internet
B	Using a computer or other device to send CW automatically
C	Repeater operation
D	Using a computer or other device to identify automatically

9. - T1F05

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

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

10. - T2A12

What should you do before calling CQ?

Select	Answer
A	Listen first to be sure that no one else is using the frequency
B	Ask if the frequency is in use
C	All these choices are correct
D	Make sure you are authorized to use that frequency

11. - T2B12

What is the purpose of the color code used on DMR repeater systems?

Select	Answer
A	Must match the repeater color code for access
B	Defines the frequency pair to use
C	Defines the minimum signal level required for access
D	Identifies the codec used

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	All these choices are correct
B	Speak very loudly into the microphone
C	Send the words by voice and Morse code
D	Spell the words using a standard phonetic alphabet

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Range increase
B	Absorption
C	Deflection
D	There is little effect

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	All these choices are correct
B	The approximate wavelength in meters
C	Channel numbers
D	Traditional letter/number designators

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are distorted and signal strength varies considerably
B	They are often received from 10,000 miles or more
C	They occur only during winter nighttime hours
D	They are generally strongest when your antenna is aimed west

16. - T4A05

Where should an RF power meter be installed?

Select	Answer
A	In the feed line, between the transmitter and antenna
B	At the power supply output
C	In the power supply cable, as close as possible to the radio
D	In parallel with the push-to-talk line and the antenna

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your call sign
B	Your output power
C	All these choices are correct
D	The codec type being used

18. - T5A05

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

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

19. - T5B07

Which is equal to 3.525 MHz?

Select	Answer
A	3,525,000 kHz
B	35.25 kHz
C	0.003525 kHz
D	3525 kHz

20. - T5C11

How much current is required to deliver 120 watts at a voltage of 12 volts DC?

Select	Answer
A	0.1 amperes
B	132 amperes
C	10 amperes
D	12 amperes

21. - T5D02

What formula is used to calculate voltage in a circuit?

Select	Answer
A	E = I / R
B	E = I x R
C	E = I - R
D	E = I + R

22. - T6A02

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

Select	Answer
A	Potentiometer
B	Power resistor
C	Transformer
D	Fixed resistor

23. - T6B02

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

Select	Answer
A	Resistor
B	Fuse
C	Driven element
D	Diode

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Variable inductor
B	Transformer
C	Double-pole switch
D	Potentiometer

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Filter
B	Regulator
C	Phase inverter
D	Oscillator

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for automatically sending and decoding Morse code
B	A device for converting receiver and transmitter frequencies to another band
C	A device for matching feed line impedance to 50 ohms
D	A device that combines a receiver and transmitter

27. - T7B04

Which of the following could you use to cure distorted audio caused by RF current on the shield of a microphone cable?

Select	Answer
A	Preamplifier
B	Band-pass filter
C	Low-pass filter
D	Ferrite choke

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Iambic pentameter
B	Ohmmeter
C	Directional wattmeter
D	Voltmeter

29. - T7D11

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

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

30. - T8A07

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

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

31. - T8B07

What is Doppler shift in reference to satellite communications?

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

32. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	Calibrated SWR meter
B	A calibrated noise bridge
C	All these choices are correct
D	A directional antenna

33. - T8D09

What is CW?

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

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	Signal strength is reduced due to the shielding effect of the vehicle
B	All these choices are correct
C	The SWR might decrease, decreasing the signal strength
D	The bandwidth of the antenna will decrease, increasing SWR

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The loss decreases
B	The characteristic impedance decreases
C	The characteristic impedance increases
D	The loss increases

Figure T-2