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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Waterproof them with silicone caulk or electrical tape
B	Bond them together with heavy wire or conductive strap
C	Tune them for resonance on the lowest frequency of operation
D	Keep them as far apart as possible

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	Make sure all ground wire bends are right angles
C	Put a drip loop in the ground connection to prevent water damage to the ground system
D	All these choices are correct

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It affects the peak exposure to radiation
B	It takes into account the antenna feed line loss
C	It affects the average exposure to radiation
D	It takes into account the thermal effects of the final amplifier

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	The FCC
B	Homeland Security
C	FEMA
D	All these choices are correct

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	500 watts
B	50 watts
C	100 watts
D	1500 watts

6. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Life
B	Five years
C	Eight years
D	Ten years

7. - T1D06

What, if any, are the restrictions concerning transmission of language that may be considered indecent or obscene?

Select	Answer
A	There is no such prohibition
B	The FCC maintains a list of words that are not permitted to be used on amateur frequencies
C	Any such language is prohibited
D	The ITU maintains a list of words that are not permitted to be used on amateur frequencies

8. - T1E06

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

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

9. - T1F06

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

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

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Identify the transmitting station
B	Notify the FCC of the transmissions
C	Conduct tests only between 10 p.m. and 6 a.m. local time
D	All these choices are correct

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your repeater offset is inverted
B	Your transmit power is too high
C	You need to talk louder
D	You are talking too loudly

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The telephone number of the addressee
B	The email address of the originating station
C	Information needed to track the message
D	The address of the intended recipient

13. - T3A04

What happens when antennas at opposite ends of a VHF or UHF line of sight radio link are not using the same polarization?

Select	Answer
A	Received signal strength is reduced
B	The modulation sidebands might become inverted
C	Signals have an echo effect
D	Nothing significant will happen

14. - T3B01

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

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	All these choices are correct
B	23 centimeters
C	6 and 10 meters
D	70 centimeters and 1.25 meters

16. - T4A01

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

Select	Answer
A	13.8 volts at 4 amperes
B	24.0 volts at 4 amperes
C	13.8 volts at 12 amperes
D	24.0 volts at 12 amperes

17. - T4B01

What is the effect of excessive microphone gain on SSB transmissions?

Select	Answer
A	Increased SWR
B	Distorted transmitted audio
C	All these choices are correct
D	Frequency instability

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	RF current
B	Alternating current
C	Direct current
D	All these choices are correct

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C10

How much power is delivered by a voltage of 12 volts DC and a current of 2.5 amperes?

Select	Answer
A	14.5 watts
B	30 watts
C	4.8 watts
D	0.208 watts

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	20,000 amperes
B	0.5 amperes
C	2 amperes
D	100 amperes

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Varistor
B	Inductor
C	Diode
D	Capacitor

23. - T6B02

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

Select	Answer
A	Fuse
B	Resistor
C	Driven element
D	Diode

24. - T6C12

Which of the following is accurately represented in electrical schematics?

Select	Answer
A	Physical appearance of components
B	Wire lengths
C	Component connections
D	All these choices are correct

25. - T6D06

What component changes 120 V AC power to a lower AC voltage for other uses?

Select	Answer
A	Diode
B	Transformer
C	Variable capacitor
D	Transistor

26. - T7A05

What is the name of a circuit that generates a signal at a specific frequency?

Select	Answer
A	Reactance modulator
B	Phase modulator
C	Low-pass filter
D	Oscillator

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	Low-pass filter
B	Preamplifier
C	Ferrite choke
D	Band-pass filter

28. - T7C04

What reading on an SWR meter indicates a perfect impedance match between the antenna and the feed line?

Select	Answer
A	50:50
B	1:1
C	Zero
D	Full Scale

29. - T7D06

Which of the following can damage a multimeter?

Select	Answer
A	Attempting to measure resistance using the voltage setting
B	Attempting to measure voltage when using the resistance setting
C	Not allowing it to warm up properly
D	Failing to connect one of the probes to ground

30. - T8A01

Which of the following is a form of amplitude modulation?

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

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
B	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
C	The satellite operates using ultraviolet frequencies
D	The satellite frequencies are usually variable

32. - T8C10

What is required before using the EchoLink system?

Select	Answer
A	Purchase a license to use the EchoLink software
B	Register your call sign and provide proof of license
C	Complete the required EchoLink training
D	All these choices are correct

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	A check sum that permits error detection
B	Automatic repeat request in case of error
C	All these choices are correct
D	A header that contains the call sign of the station to which the information is being sent

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	50
C	6
D	236

35. - T9B02

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

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