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. - T0A09

What should be done to all external ground rods or earth connections?

Select	Answer
A	Tune them for resonance on the lowest frequency of operation
B	Keep them as far apart as possible
C	Waterproof them with silicone caulk or electrical tape
D	Bond them together with heavy wire or conductive strap

2. - T0B11

Which of the following establishes grounding requirements for an amateur radio tower or antenna?

Select	Answer
A	UL recommended practices
B	FAA tower lighting regulations
C	Local electrical codes
D	FCC Part 97 rules

3. - T0C11

What is the definition of duty cycle during the averaging time for RF exposure?

Select	Answer
A	The difference between the PEP and average power output of a transmitter
B	The percentage of time that a transmitter is not transmitting
C	The percentage of time that a transmitter is transmitting
D	The difference between the lowest power output and the highest power output of a transmitter

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. - T1B11

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

Select	Answer
A	50 watts
B	200 watts
C	100 watts
D	10 watts

6. - T1C01

For which license classes are new licenses currently available from the FCC?

Select	Answer
A	Technician, General, Amateur Extra
B	Technician, Technician Plus, General, Amateur Extra
C	Novice, Technician Plus, General, Advanced
D	Novice, Technician, General, Amateur Extra

7. - T1D05

When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?

Select	Answer
A	When the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
B	Never
C	When no profit is made on the sale
D	When selling amateur radio equipment and not on a regular basis

8. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Repeater operation
B	Using a computer or other device to identify automatically
C	Using a computer or other device to send CW automatically
D	Controlling a station over the internet

9. - T1F06

Which of the following self-assigned indicators are acceptable when using a phone transmission?

Select	Answer
A	KL7CC stroke W3
B	KL7CC slash W3
C	All these choices are correct
D	KL7CC slant W3

10. - T2A04

What is an appropriate way to call another station on a repeater if you know the other station's call sign?

Select	Answer
A	Say "break, break," then say the station's call sign
B	Wait for the station to call CQ, then answer
C	Say the station's call sign, then identify with your call sign
D	Say "CQ" three times, then the other station's call sign

11. - T2B10

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

Select	Answer
A	QSB
B	QRN
C	QRM
D	QTH

12. - T2C10

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

Select	Answer
A	The address of the intended recipient
B	The telephone number of the addressee
C	Information needed to track the message
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 increased 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	Error rates are likely to increase
D	Transmission rates must be decreased by a factor equal to the number of separate paths observed

14. - T3B08

What frequency range is referred to as VHF?

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

15. - T3C03

What is a characteristic of VHF signals received via auroral backscatter?

Select	Answer
A	They are distorted and signal strength varies considerably
B	They are often received from 10,000 miles or more
C	They occur only during winter nighttime hours
D	They are generally strongest when your antenna is aimed west

16. - T4A12

What is an electronic keyer?

Select	Answer
A	An interlock to prevent unauthorized use of a radio
B	A device for voice activated switching from receive to transmit
C	A device that assists in manual sending of Morse code
D	A device for switching antennas from transmit to receive

17. - T4B12

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

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

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B08

Which is equal to 1,000,000 picofarads?

Select	Answer
A	1,000,000,000 microfarads
B	1 microfarad
C	0.001 microfarads
D	1000 microfarads

20. - T5C02

What is the unit of capacitance?

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

21. - T5D07

What is the current in a circuit with an applied voltage of 120 volts and a resistance of 80 ohms?

Select	Answer
A	9600 amperes
B	1.5 amperes
C	200 amperes
D	0.667 amperes

22. - T6A04

What electrical component stores energy in an electric field?

Select	Answer
A	Diode
B	Inductor
C	Capacitor
D	Varistor

23. - T6B12

What are the names of the electrodes of a bipolar junction transistor?

Select	Answer
A	Pole one, pole two, output
B	Input, output, supply
C	Emitter, base, collector
D	Signal, bias, power

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Inductor
C	Regulator IC
D	Resistor

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transformer
B	Integrated circuit
C	Multi-pole relay
D	Transducer

26. - T7A02

What is a transceiver?

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

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Installing a band-reject filter
B	Installing bypass capacitors on the microphone cable
C	Using double-shielded coaxial cable
D	Installing an RF preamplifier

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It cannot be used for VHF or UHF antennas
B	It has more loss per foot
C	It cannot be used at below freezing temperatures
D	It requires special techniques to prevent moisture in the cable

29. - T7D03

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

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

30. - T8A06

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

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

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. - T8C02

Which of these items would be useful for a hidden transmitter hunt?

Select	Answer
A	All these choices are correct
B	Calibrated SWR meter
C	A calibrated noise bridge
D	A directional antenna

33. - T8D03

What kind of data can be transmitted by APRS?

Select	Answer
A	All these choices are correct
B	Weather data
C	Text messages
D	GPS position data

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Installing a spring in the base of a mobile vertical antenna to make it more flexible
B	Inserting a resistor in the radiating portion of the antenna to make it resonant
C	Strengthening the radiating elements of a beam antenna to better resist wind damage
D	Electrically lengthening by inserting inductors in radiating elements

35. - T9B08

Which of the following is a source of loss in coaxial feed line?

Select	Answer
A	Water intrusion into coaxial connectors
B	All these choices are correct
C	High SWR
D	Multiple connectors in the line

Figure T-2