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. - T0A06

What is a good way to guard against electrical shock at your station?

Select	Answer
A	All these choices are correct
B	Connect all AC powered station equipment to a common safety ground
C	Use three-wire cords and plugs for all AC powered equipment
D	Install mechanical interlocks in high-voltage circuits

2. - T0B06

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

Select	Answer
A	Add the height of the antenna to the height of the power line and multiply by a factor of 1.5
B	The height of the power line above ground
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. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Lower frequency RF fields do not penetrate the human body
B	The human body absorbs more RF energy at some frequencies than at others
C	Higher frequency RF fields are transient in nature
D	Lower frequency RF fields have more energy than higher frequency fields

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	All these choices are correct
B	The license appears in the FCC ULS database
C	An email notification from the NCVEC granting the license
D	A printed copy of the certificate of successful completion of examination

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	None
B	30 meter band only
C	10 meter band only
D	80 meter, 40 meter, 15 meter, and 10 meter bands

6. - T1C05

Which of the following is a valid Technician class call sign format?

Select	Answer
A	W1XX
B	KA1X
C	All these choices are correct
D	KF1XXX

7. - T1D11

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

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

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	A control operator is required at all times
B	All these choices are correct
C	The control operator must indirectly manipulate the controls
D	The control operator must be at the control point

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC slant W3
B	KL7CC stroke W3
C	KL7CC slash W3
D	All these choices are correct

10. - T2A09

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

Select	Answer
A	“CQ CQ” followed by the repeater’s call sign
B	The repeater call sign followed by the station’s call sign
C	“QSY” followed by your call sign
D	The station’s call sign followed by the word “monitoring”

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	Multiple repeaters with the same control operator
B	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network
C	A single repeater with more than one receiver
D	A system of repeaters linked by APRS

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	Spell the words using a standard phonetic alphabet
D	Send the words by voice and Morse code

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The mesosphere
B	The ionosphere
C	The troposphere
D	The stratosphere

14. - T3B02

What property of a radio wave defines its polarization?

Select	Answer
A	The ratio of the velocity to the wavelength
B	The orientation of the electric field
C	The orientation of the magnetic field
D	The ratio of the energy in the magnetic field to the energy in the electric field

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	HF accommodates wider bandwidth signals
C	There is less atmospheric interference (static) on HF
D	HF antennas are generally smaller

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 watts per hour consumed by the equipment by the battery power rating
C	Divide the watt-hour rating of the battery by the peak power consumption of the equipment
D	Multiply the square of the current rating of the battery by the input resistance of the equipment

17. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	500 Hz
B	2400 Hz
C	1000 Hz
D	5000 Hz

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. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	3,000,000 amperes
B	0.3 amperes
C	3 amperes
D	0.003 amperes

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	MHz
B	Mhz
C	MH
D	mh

21. - T5D12

What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?

Select	Answer
A	12 volts
B	0.2 volts
C	8 volts
D	20 volts

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Varistor
C	Capacitor
D	Inductor

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Transistor
B	Potentiometer
C	Varistor
D	Thermistor

24. - T6C10

What is component 3 in figure T-3?

Select	Answer
A	Variable capacitor
B	Variable inductor
C	Connector
D	Meter

25. - T6D09

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

Select	Answer
A	Transducer
B	Integrated circuit
C	Transformer
D	Multi-pole relay

26. - T7A10

What device increases the transmitted output power from a transceiver?

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

27. - T7B01

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

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

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A high-gain amplifier and a TR switch
B	A 50-ohm reactance used to terminate a transmission line
C	A low-voltage power supply and a DC relay
D	A non-inductive resistor mounted on a heat sink

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	A bright or shiny surface
B	Dark black spots
C	Excessive solder
D	A rough or lumpy surface

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Packet radio
B	Phase shift keying (PSK)
C	Spread spectrum
D	Single sideband

31. - T8B04

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

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

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By obtaining a password that is sent via voice to the node
B	By using CTCSS tone codes
C	By entering the proper internet password
D	By using DTMF signals

33. - T8D09

What is CW?

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

34. - T9A10

In which direction does a half-wave dipole antenna radiate the strongest signal?

Select	Answer
A	In the direction of the feed line
B	Equally in all directions
C	Off the ends of the antenna
D	Broadside to the antenna

35. - T9B02

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

Select	Answer
A	12 ohms
B	8 ohms
C	50 ohms
D	600 ohms

Figure T-3