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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Overheating or out-gassing
B	Excess output ripple
C	Inverse memory effect
D	Half-wave rectification

2. - T0B02

What is required when climbing an antenna tower?

Select	Answer
A	Always wear an approved climbing harness
B	Use appropriate tie-off to the tower at all times
C	All these choices are correct
D	Have sufficient training on safe tower climbing techniques

3. - T0C05

Why do exposure limits vary with frequency?

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

4. - T1A10

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

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

5. - T1B05

How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

Select	Answer
A	Spread spectrum only
B	Fast-scan television only
C	Fixed digital message forwarding systems only
D	Emergency traffic only

6. - T1C06

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

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

7. - T1D07

What types of amateur stations can automatically retransmit the signals of other amateur stations?

Select	Answer
A	Beacon, repeater, or space stations
B	Repeater, auxiliary, or space stations
C	Auxiliary, beacon, or Earth stations
D	Earth, repeater, or space stations

8. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The person operating the station equipment
B	The station licensee
C	The third party participant
D	The station custodian

9. - T1F07

Which of the following restrictions apply when a non-licensed person is allowed to speak to a foreign station using a station under the control of a licensed amateur operator?

Select	Answer
A	The person must be a U.S. citizen
B	All these choices are correct
C	The foreign station must be in a country with which the U.S. has a third party agreement
D	The licensed control operator must do the station identification

10. - T2A09

Which of the following indicates that a station is listening on a repeater and looking for a contact?

Select	Answer
A	The repeater call sign followed by the station’s call sign
B	“CQ CQ” followed by the repeater’s call sign
C	The station’s call sign followed by the word “monitoring”
D	“QSY” followed by your call sign

11. - T2B06

What type of signaling uses pairs of audio tones?

Select	Answer
A	CTCSS
B	DTMF
C	D-STAR
D	GPRS

12. - T2C11

What is meant by “check” in a radiogram header?

Select	Answer
A	The call sign of the originating station
B	The number of words or word equivalents in the text portion of the message
C	A box on the message form that indicates that the message was received and/or relayed
D	A list of stations that have relayed the message

13. - T3A12

What is the effect of fog and rain on signals in the 10 meter and 6 meter bands?

Select	Answer
A	Range increase
B	Deflection
C	Absorption
D	There is little effect

14. - T3B10

What frequency range is referred to as HF?

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	All these choices are correct
B	6 and 10 meters
C	23 centimeters
D	70 centimeters and 1.25 meters

16. - T4A02

Which of the following should be considered when selecting an accessory SWR meter?

Select	Answer
A	The distance that the meter will be located from the antenna
B	The frequency and power level at which the measurements will be made
C	The types of modulation being used at the station
D	All these choices are correct

17. - T4B12

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

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

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Amperes
B	Ohms
C	Volts
D	Watts

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C03

What describes the ability to store energy in a magnetic field?

Select	Answer
A	Inductance
B	Admittance
C	Capacitance
D	Resistance

21. - T5D13

In which type of circuit is DC current the same through all components?

Select	Answer
A	Branch
B	Resonant
C	Parallel
D	Series

22. - T6A12

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

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

23. - T6B03

Which of these components can be used as an electronic switch?

Select	Answer
A	Varistor
B	Potentiometer
C	Thermistor
D	Transistor

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Regulator IC
B	Resistor
C	Capacitor
D	Transistor

25. - T6D02

What is a relay?

Select	Answer
A	An electrically-controlled switch
B	An inverting amplifier
C	A pass transistor
D	A current controlled amplifier

26. - T7A01

Which term describes the ability of a receiver to detect the presence of a signal?

Select	Answer
A	Selectivity
B	Sensitivity
C	Linearity
D	Total Harmonic Distortion

27. - T7B11

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

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

28. - T7C09

Which of the following causes failure of coaxial cables?

Select	Answer
A	Solder flux contamination
B	Moisture contamination
C	Rapid fluctuation in transmitter output power
D	Operation at 100% duty cycle for an extended period

29. - T7D03

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

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

30. - T8A04

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

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

31. - T8B02

What is the impact of using excessive effective radiated power on a satellite uplink?

Select	Answer
A	Blocking access by other users
B	Overloading the satellite batteries
C	Possibility of rebooting the satellite control computer
D	Possibility of commanding the satellite to an improper mode

32. - T8C05

What is a grid locator?

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

33. - T8D09

What is CW?

Select	Answer
A	A digital mode used primarily on 2 meter FM
B	A type of electromagnetic propagation
C	A technique for coil winding
D	Another name for a Morse code transmission

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	All these choices are correct
C	It has low efficiency
D	It is mechanically fragile

35. - T9B05

What happens as the frequency of a signal in coaxial cable is increased?

Select	Answer
A	The characteristic impedance decreases
B	The characteristic impedance increases
C	The loss decreases
D	The loss increases

Figure T-2