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. - T0A02

What health hazard is presented by electrical current flowing through the body?

Select	Answer
A	It may cause injury by heating tissue
B	It may disrupt the electrical functions of cells
C	All these choices are correct
D	It may cause involuntary muscle contractions

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

3. - T0C04

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

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

4. - T1A11

When is willful interference to other amateur radio stations permitted?

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

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	70 centimeters
B	6 meters
C	20 meters
D	2 meters

6. - T1C03

What types of international communications are an FCC-licensed amateur radio station permitted to make?

Select	Answer
A	Only communications incidental to contest exchanges; all other communications are prohibited
B	Any communications that would be permitted by an international broadcast station
C	Communications incidental to conducting business or remarks of a personal nature
D	Communications incidental to the purposes of the Amateur Radio Service and remarks of a personal character

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 selling amateur radio equipment and not on a regular basis
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

8. - T1E03

Who must designate the station control operator?

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

9. - T1F05

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

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

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

Select	Answer
A	Plus or minus 5 MHz
B	Plus or minus 600 kHz
C	Plus or minus 500 kHz
D	Plus or minus 1 MHz

11. - T2B10

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

Select	Answer
A	QSB
B	QRM
C	QTH
D	QRN

12. - T2C01

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

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

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

14. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	3 to 30 MHz
B	300 to 3000 MHz
C	30 to 300 MHz
D	300 to 3000 kHz

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	D region refraction
B	Tropospheric ducting
C	Faraday rotation
D	F2 region refraction

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Multiply the square of the current rating of the battery by the input resistance of the equipment
C	Multiply the watts per hour consumed by the equipment by the battery power rating
D	Divide the watt-hour rating of the battery by the peak power consumption of the equipment

17. - T4B08

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

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

18. - T5A08

Which of the following is a good electrical insulator?

Select	Answer
A	Mercury
B	Copper
C	Glass
D	Aluminum

19. - T5B02

Which is equal to 1,500,000 hertz?

Select	Answer
A	1500 MHz
B	1500 kHz
C	150 kHz
D	15 GHz

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	138 watts
B	3.8 watts
C	23.8 watts
D	0.7 watts

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Resonant
B	Series
C	Branch
D	Parallel

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Capacitor
B	Inductor
C	Diode
D	Varistor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Pole one, pole two, output
B	Input, output, supply
C	Signal, bias, power
D	Emitter, base, collector

24. - T6C04

What is component 3 in figure T-1?

Select	Answer
A	Transistor
B	Resistor
C	Ground symbol
D	Lamp

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Relay
C	Potentiometer
D	Meter

26. - T7A07

What is the function of a transceiver’s PTT input?

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

27. - T7B01

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

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

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It requires special techniques to prevent moisture in the cable
B	It cannot be used for VHF or UHF antennas
C	It cannot be used at below freezing temperatures
D	It has more loss per foot

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Increasing resistance with time
B	Decreasing resistance with time
C	Steady full-scale reading
D	Alternating between open and short circuit

30. - T8A03

Which type of voice mode is often used for long-distance (weak signal) contacts on the VHF and UHF bands?

Select	Answer
A	DRM
B	PM
C	FM
D	SSB

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	SSB
B	All these choices are correct
C	CW/data
D	FM

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	Sign only the last two letters of your call if there are many other stations calling
B	All these choices are correct
C	Send only the minimum information needed for proper identification and the contest exchange
D	Contact the station twice to be sure that you are in his log

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing voice over internet connection between repeaters
B	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
C	Providing information on the number of stations signed into a repeater
D	Showing automatically the number of packets transmitted via PACTOR during a specific time interval

34. - T9A06

Which of the following types of antenna offers the greatest gain?

Select	Answer
A	5/8 wave vertical
B	J pole
C	Yagi
D	Isotropic

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-213 cable has less loss at a given frequency
B	RG-58 cable has two shields
C	There is no significant difference between the two types
D	RG-58 cable can handle higher power levels

Figure T-1