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. - T0A12

Which of the following precautions should be taken when measuring high voltages with a voltmeter?

Select	Answer
A	Ensure that the voltmeter and leads are rated for use at the voltages to be measured
B	Ensure that the circuit is grounded through the voltmeter
C	Ensure that the voltmeter has very low impedance
D	Ensure that the voltmeter is set to the correct frequency

2. - T0B05

What is the purpose of a safety wire through a turnbuckle used to tension guy lines?

Select	Answer
A	Provide a ground path for lightning strikes
B	Provide an ability to measure for proper tensioning
C	Secure the guy line if the turnbuckle breaks
D	Prevent loosening of the turnbuckle from vibration

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

4. - T1A07

What is the FCC Part 97 definition of a space station?

Select	Answer
A	Any satellite orbiting Earth
B	A manned satellite orbiting Earth
C	An amateur station using amateur radio satellites for relay of signals
D	An amateur station located more than 50 km above Earth's surface

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	49.00 MHz
B	222.15 MHz
C	28.50 MHz
D	52.525 MHz

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From within any country that belongs to the International Telecommunication Union
B	From any vessel or craft located in international waters and documented or registered in the United States
C	From within any country that is a member of the United Nations
D	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When such communications are directly related to the immediate safety of human life or protection of property
B	Never
C	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
D	When broadcasting communications to or from the space shuttle

8. - T1E02

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

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

9. - T1F10

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

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

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Calling any station
B	Only the called station should transmit
C	Call on the quarter hour
D	Test transmission, no reply expected

11. - T2B10

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

Select	Answer
A	QTH
B	QRM
C	QRN
D	QSB

12. - T2C10

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

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

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be decreased by a factor equal to the number of separate paths observed
B	No significant changes will occur if the signals are transmitted using FM
C	Transmission rates must be increased by a factor equal to the number of separate paths observed
D	Error rates are likely to increase

14. - T3B01

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

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

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 distorted and signal strength varies considerably
D	They are often received from 10,000 miles or more

16. - T4A08

Which of the following conductors is preferred for bonding at RF?

Select	Answer
A	Twisted-pair cable
B	Copper braid removed from coaxial cable
C	Flat copper strap
D	Steel wire

17. - T4B11

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

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

18. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watt-hours
B	Amperes
C	Volts
D	Watts

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C02

What is the unit of capacitance?

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

21. - T5D04

What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?

Select	Answer
A	270 ohms
B	93 ohms
C	3 ohms
D	30 ohms

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Switch
B	Diode
C	Inductor
D	Capacitor

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With a stripe
B	With the letter K
C	With the word "cathode"
D	With the letter C

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Indicator lamp
B	Connector
C	Transistor
D	Resistor

25. - T6D06

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

Select	Answer
A	Transformer
B	Transistor
C	Variable capacitor
D	Diode

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	At the output of the transmitter power amplifier
B	Between the transmitter and the antenna tuner
C	At the output of the receiver audio amplifier
D	Between the antenna and receiver

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	You are in a bad location
B	Your transmitter is slightly off frequency
C	All these choices are correct
D	Your batteries are running low

28. - T7C06

What does an SWR reading of 4:1 indicate?

Select	Answer
A	Good impedance match
B	Loss of -4 dB
C	Gain of +4 dB
D	Impedance mismatch

29. - T7D09

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

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

30. - T8A06

Which sideband is normally used for 10 meter HF, VHF, and UHF single-sideband communications?

Select	Answer
A	Inverted sideband
B	Suppressed sideband
C	Lower sideband
D	Upper sideband

31. - T8B01

What telemetry information is typically transmitted by satellite beacons?

Select	Answer
A	Time of day accurate to plus or minus 1/10 second
B	The signal strength of received signals
C	All these choices are correct
D	Health and status of the satellite

32. - T8C11

What is an amateur radio station that connects other amateur stations to the internet?

Select	Answer
A	A repeater
B	A digipeater
C	A gateway
D	A beacon

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 vertically polarized antenna
C	A ground-wave antenna
D	A travelling-wave antenna

35. - T9B01

What is a benefit of low SWR?

Select	Answer
A	Reduced signal loss
B	All these choices are correct
C	Less antenna wear
D	Reduced television interference

Figure T-1