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. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	Excessive current could cause a fire
B	All these choices are correct
C	The power supply ripple would greatly increase
D	The larger fuse would be likely to blow because it is rated for higher current

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
B	This type of tower must never be grounded
C	All these choices are correct
D	This type of tower must never be painted

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Providing communications for international non-profit organizations
B	Advancing skills in the technical and communication phases of the radio art
C	Providing personal radio communications for as many citizens as possible
D	All these choices are correct

5. - T1B07

Which of the following VHF/UHF band segments are limited to CW only?

Select	Answer
A	All these choices are correct
B	219 MHz to 220 MHz and 420.0 MHz to 420.1 MHz
C	902.0 MHz to 902.1 MHz
D	50.0 MHz to 50.1 MHz and 144.0 MHz to 144.1 MHz

6. - T1C08

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

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

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is incidental to classroom instruction at an educational institution
B	When the communication is made to obtain emergency information for a local broadcast station
C	All these choices are correct
D	When the communication is related to the sale of amateur equipment by the control operator's employer

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. - T1F11

Which of the following is a requirement for the issuance of a club station license grant?

Select	Answer
A	All these choices are correct
B	The club must be registered with the American Radio Relay League
C	The club must have at least four members
D	The trustee must have an Amateur Extra Class operator license grant

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit "CQ" followed by the other station’s call sign
B	Transmit your call sign followed by the other station’s call sign
C	Transmit a signal report followed by your call sign
D	Transmit the other station’s call sign followed by your call sign

11. - T2B10

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

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

13. - T3A03

What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

Select	Answer
A	Horizontal
B	Left-hand circular
C	Vertical
D	Right-hand circular

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 in parallel
C	They are at right angles
D	They travel at different speeds

15. - T3C08

What causes tropospheric ducting?

Select	Answer
A	Sunspots and solar flares
B	Discharges of lightning during electrical storms
C	Updrafts from hurricanes and tornadoes
D	Temperature inversions in the atmosphere

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To a computer connected to the FT8converter.com website
B	To an FT8 conversion unit, a keyboard, and a computer monitor
C	To a computer running a terminal program and connected to a terminal node controller unit
D	To the audio input and output of a computer running WSJT-X software

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	Your output power
B	All these choices are correct
C	Your call sign
D	The codec type being used

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Ohms
B	Amperes
C	Volts
D	Watts

19. - T5B06

Which is equal to 3000 milliamperes?

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

20. - T5C10

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

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

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	10 amperes
B	0.1 amperes
C	24,000 amperes
D	216 amperes

22. - T6A08

What is the function of an SPDT switch?

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

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Resistor
B	Transformer
C	Reactor
D	Transistor

24. - T6C12

Which of the following is accurately represented in electrical schematics?

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

25. - T6D07

Which of the following is commonly used as a visual indicator?

Select	Answer
A	Zener diode
B	Bipolar transistor
C	LED
D	FET

26. - T7A02

What is a transceiver?

Select	Answer
A	A device for converting receiver and transmitter frequencies to another band
B	A device for matching feed line impedance to 50 ohms
C	A device that combines a receiver and transmitter
D	A device for automatically sending and decoding Morse code

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

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is radiated as harmonics
B	It is converted into heat
C	It increases the SWR
D	It distorts the signal

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the circuit is not powered
B	Ensure that the circuit is operating at the correct frequency
C	Ensure that the circuit is grounded
D	Ensure that the applied voltages are correct

30. - T8A11

What is the approximate bandwidth required to transmit a CW signal?

Select	Answer
A	1000 Hz
B	15 kHz
C	150 Hz
D	2.4 kHz

31. - T8B09

What causes spin fading of satellite signals?

Select	Answer
A	Circular polarized noise interference radiated from the sun
B	Interfering signals within the satellite uplink band
C	Doppler shift of the received signal
D	Rotation of the satellite and its antennas

32. - T8C04

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

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

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A03

Which of the following describes a simple dipole oriented parallel to Earth's surface?

Select	Answer
A	A horizontally polarized antenna
B	A travelling-wave antenna
C	A ground-wave antenna
D	A vertically polarized antenna

35. - T9B06

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

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