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

2. - T0B05

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

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

3. - T0C12

How does RF radiation differ from ionizing radiation (radioactivity)?

Select	Answer
A	RF radiation is perfectly safe
B	RF radiation is limited in range to a few feet
C	RF radiation does not have sufficient energy to cause chemical changes in cells and damage DNA
D	RF radiation can only be detected with an RF dosimeter

4. - T1A02

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

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

5. - T1B11

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

Select	Answer
A	200 watts
B	10 watts
C	50 watts
D	100 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 one year
B	Yes, for up to two years
C	Yes, as soon as you apply for renewal
D	No, you must wait until the license has been renewed

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

8. - T1E09

Which of the following are required for remote control operation?

Select	Answer
A	All these choices are correct
B	The control operator must indirectly manipulate the controls
C	The control operator must be at the control point
D	A control operator is required at all times

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. - T2A01

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

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

11. - T2B01

How is a VHF/UHF transceiver’s “reverse” function used?

Select	Answer
A	To listen on a repeater’s input frequency
B	To reduce power output
C	To increase power output
D	To listen on a repeater’s output frequency

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

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

13. - T3A10

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

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

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	They are too weak to go very far
B	UHF signals are usually not propagated by the ionosphere
C	UHF signals are absorbed by the ionospheric D region
D	FCC regulations prohibit them from going more than 50 miles

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. - T4B10

Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

Select	Answer
A	5000 Hz
B	500 Hz
C	1000 Hz
D	2400 Hz

18. - T5A06

What is the unit of frequency?

Select	Answer
A	Henry
B	Tesla
C	Hertz
D	Farad

19. - T5B12

Which is equal to 28400 kHz?

Select	Answer
A	284.00 MHz
B	2.800 MHz
C	28.400 MHz
D	28.400 kHz

20. - T5C10

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

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

21. - T5D01

What formula is used to calculate current in a circuit?

Select	Answer
A	I = E / R
B	I = E + R
C	I = E - R
D	I = E  R

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Resistance
B	Capacitance
C	Field strength
D	Inductance

23. - T6B07

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

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

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Transistor
B	Capacitor
C	Regulator IC
D	Resistor

25. - T6D06

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

Select	Answer
A	Transformer
B	Variable capacitor
C	Transistor
D	Diode

26. - T7A10

What device increases the transmitted output power from a transceiver?

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

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

28. - T7C05

Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?

Select	Answer
A	To protect the output amplifier transistors
B	Because power supplies cannot supply enough current at high SWR
C	To lower the SWR on the transmission line
D	To comply with FCC rules on spectral purity

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 applied voltages are correct
D	Ensure that the circuit is grounded

30. - T8A12

Which of the following is a disadvantage of FM compared with single sideband?

Select	Answer
A	Voice quality is poorer
B	FM signals are harder to tune
C	Only one signal can be received at a time
D	All these choices are correct

31. - T8B07

What is Doppler shift in reference to satellite communications?

Select	Answer
A	A change in the satellite orbit
B	A mode where the satellite receives signals on one band and transmits on another
C	An observed change in signal frequency caused by relative motion between the satellite and Earth station
D	A special digital communications mode for some satellites

32. - T8C06

How is over the air access to IRLP nodes accomplished?

Select	Answer
A	By entering the proper internet password
B	By using DTMF signals
C	By using CTCSS tone codes
D	By obtaining a password that is sent via voice to the node

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It eliminates distortion caused by reflected signals
B	It radiates at a very high angle
C	It has 10 times the power gain of a 1/4 wavelength whip
D	It has more gain than a 1/4-wavelength antenna

35. - T9B03

Why is coaxial cable the most common feed line for amateur radio antenna systems?

Select	Answer
A	It is less expensive than any other type of feed line
B	It has less loss than any other type of feed line
C	It is easy to use and requires few special installation considerations
D	It can handle more power than any other type of feed line

Figure T-2