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

2. - T0B09

Why should you avoid attaching an antenna to a utility pole?

Select	Answer
A	All these choices are correct
B	The antenna could contact high-voltage power lines
C	The 60 Hz radiations from the feed line may increase the SWR
D	The antenna will not work properly because of induced voltages

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It increases by a factor of 3
B	There is no adjustment allowed for lower duty cycle
C	It increases by a factor of 2
D	It decreases by 50 percent

4. - T1A10

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

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

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	50 watts
B	1500 watts
C	100 watts
D	500 watts

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

7. - T1D02

Under which of the following circumstances are one-way transmissions by an amateur station prohibited?

Select	Answer
A	Broadcasting
B	International Morse Code Practice
C	In all circumstances
D	Telecommand or transmissions of telemetry

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Any amateur allowed to transmit on the satellite uplink frequency
B	Only an Amateur Extra Class operator
C	A General class or higher licensee with a satellite operator certification
D	Only an Amateur Extra Class operator who is also an AMSAT member

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. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Diplex
B	Simplex
C	Full duplex
D	Multiplex

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations with simple transmitters can access the repeater without automated offset
B	So stations within range of each other can communicate without tying up a repeater
C	For contest operation
D	For working DX only

12. - T2C03

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

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

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	Precipitation
B	Colder temperatures
C	High winds
D	Low barometric pressure

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C04

Which of the following types of propagation is most commonly associated with occasional strong signals on the 10, 6, and 2 meter bands from beyond the radio horizon?

Select	Answer
A	Gray-line propagation
B	Backscatter
C	Sporadic E
D	D region absorption

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Receive and transmit mode, status, and location
B	Antenna and RF power
C	Receive audio, transmit audio, and transmitter keying
D	NMEA GPS location and DC power

17. - T4B04

What is a way to enable quick access to a favorite frequency or channel on your transceiver?

Select	Answer
A	Enable the VOX
B	Use the scan mode to select the desired frequency
C	Store it in a memory channel
D	Enable the frequency offset

18. - T5A04

What are the units of electrical resistance?

Select	Answer
A	Ohms
B	Siemens
C	Mhos
D	Coulombs

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-9 dB
B	-6 dB
C	-1 dB
D	-3 dB

20. - T5C04

What is the unit of inductance?

Select	Answer
A	The farad
B	The ohm
C	The coulomb
D	The henry

21. - T5D14

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

Select	Answer
A	Series
B	Branch
C	Resonant
D	Parallel

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	A single circuit is switched between one of two other circuits
B	Two circuits are each switched between one of two other circuits
C	Two circuits are opened or closed
D	A single circuit is opened or closed

23. - T6B09

What are the names for the electrodes of a diode?

Select	Answer
A	Gate and base
B	Source and drain
C	Anode and cathode
D	Plus and minus

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Regulator IC
C	Resistor
D	Capacitor

25. - T6D05

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

Select	Answer
A	Oscillator
B	Regulator
C	Filter
D	Phase inverter

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Modulation
B	Low-pass filtering
C	Impedance matching
D	Oscillation

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	The transmitter will not stay on the desired frequency
B	Excessive SWR at the antenna connection
C	Reports of garbled, distorted, or unintelligible voice transmissions
D	Frequent blowing of power supply fuses

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent over-modulation of a transmitter
B	To prevent transmitting signals over the air when making tests
C	To improve the efficiency of an antenna
D	To improve the signal-to-noise ratio of a receiver

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	A wavemeter
B	An ohmmeter
C	A voltmeter
D	An ammeter

30. - T8A04

Which type of modulation is commonly used for VHF and UHF voice repeaters?

Select	Answer
A	SSB
B	AM
C	PSK
D	FM or PM

31. - T8B06

Which of the following are inputs to a satellite tracking program?

Select	Answer
A	All these choices are correct
B	The satellite transmitted power
C	The Keplerian elements
D	The last observed time of zero Doppler shift

32. - T8C05

What is a grid locator?

Select	Answer
A	An instrument for radio direction finding
B	An instrument for neutralizing a final amplifier
C	A letter-number designator assigned to an azimuth and elevation
D	A letter-number designator assigned to a geographic location

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	Packet radio
B	FT8
C	All these choices are correct
D	IEEE 802.11

34. - T9A10

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

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

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	DB-25
B	Type N
C	RS-213
D	UHF (PL-259/SO-239)

Figure T-2