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. - T0A03

In the United States, what circuit does black wire insulation indicate in a three-wire 120 V cable?

Select	Answer
A	Equipment ground
B	Black insulation is never used
C	Hot
D	Neutral

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	All these choices are correct
B	Insulate the base of the tower to avoid lightning strikes
C	Wear a ground strap connected to your wrist at all times
D	Look for and stay clear of any overhead electrical wires

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	By calculation based on FCC OET Bulletin 65
C	By calculation based on computer modeling
D	All these choices are correct

4. - T1A10

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

Select	Answer
A	All these choices are correct
B	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
C	A radio service using amateur stations for emergency management or civil defense communications
D	A radio service using amateur frequencies for emergency management or civil defense communications

5. - T1B11

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

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

6. - T1C05

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

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

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Never
B	Only during contests
C	Only when transmitting control commands to space stations or radio control craft
D	Only when transmitting certain approved digital codes

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	Both the originating station and the repeater owner
C	The control operator of the originating station
D	The control operator of the repeater

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

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

11. - T2B05

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

Select	Answer
A	You need to talk louder
B	Your transmit power is too high
C	Your repeater offset is inverted
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 address of the intended recipient
C	Information needed to track the message
D	The email address of the originating station

13. - T3A08

What is a likely cause of irregular fading of signals propagated by the ionosphere?

Select	Answer
A	Frequency shift due to Faraday rotation
B	Random combining of signals arriving via different paths
C	Intermodulation distortion
D	Interference from thunderstorms

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C03

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

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

16. - T4A07

Which of the following connections is made between a computer and a transceiver to use computer software when operating digital modes?

Select	Answer
A	Computer “line in” to transceiver speaker connector
B	Computer “line out” to transceiver push-to-talk
C	Computer “line out” to transceiver speaker connector
D	Computer “line in” to transceiver push-to-talk

17. - T4B12

What is the result of tuning an FM receiver above or below a signal’s frequency?

Select	Answer
A	Distortion of the signal’s audio
B	Change in audio pitch
C	Generation of a heterodyne tone
D	Sideband inversion

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Coulombs
B	Mhos
C	Ohms
D	Siemens

19. - T5B06

Which is equal to 3000 milliamperes?

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

20. - T5C07

What is the abbreviation for megahertz?

Select	Answer
A	Mhz
B	mh
C	MHz
D	MH

21. - T5D11

What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?

Select	Answer
A	9 volts
B	1 volt
C	11 volts
D	10 volts

22. - T6A12

What type of switch is represented by component 3 in figure T-2?

Select	Answer
A	Single-pole single-throw
B	Double-pole double-throw
C	Double-pole single-throw
D	Single-pole double-throw

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Capacitively-coupled RF signal
B	Reverse current
C	Forward current
D	Inductively-coupled RF signal

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Battery
B	Ground symbol
C	Transistor
D	Resistor

25. - T6D05

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

Select	Answer
A	Filter
B	Regulator
C	Oscillator
D	Phase inverter

26. - T7A10

What device increases the transmitted output power from a transceiver?

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

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. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can increase losses in the cable’s jacket
B	Ultraviolet light can damage the jacket and allow water to enter the cable
C	Ultraviolet and RF signals can mix, causing interference
D	Ultraviolet resistant jackets prevent harmonic radiation

29. - T7D03

When configured to measure current, how is a multimeter connected to a component?

Select	Answer
A	In phase
B	In parallel
C	In quadrature
D	In series

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	About 3 MHz
B	About 6 MHz
C	More than 10 MHz
D	About 1 MHz

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	The apparent frequency of the satellite transmission, including effects of Doppler shift
B	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
C	All these choices are correct
D	Maps showing the real-time position of the satellite track over Earth

32. - T8C08

What is the Internet Radio Linking Project (IRLP)?

Select	Answer
A	A technique for measuring signal strength of an amateur transmitter via the internet
B	A technique to connect amateur radio systems, such as repeaters, via the internet using Voice Over Internet Protocol (VoIP)
C	A system for providing access to websites via amateur radio
D	A system for informing amateurs in real time of the frequency of active DX stations

33. - T8D02

What is a “talkgroup” on a DMR repeater?

Select	Answer
A	A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
B	A net that meets at a specified time
C	A group of operators sharing common interests
D	A way for groups of users to share a channel at different times without hearing other users on the channel

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

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Overload from a strong local station
B	Over-modulation
C	Local thunderstorm
D	Loose connection in the antenna or feed line

Figure T-2

Figure T-1