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. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Touching both terminals with the hands can cause electrical shock
B	All these choices are correct
C	Shorting the terminals can cause burns, fire, or an explosion
D	RF emissions from a nearby transmitter can cause the electrolyte to emit poison gas

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	Secure the guy line if the turnbuckle breaks
C	Prevent loosening of the turnbuckle from vibration
D	Provide an ability to measure for proper tensioning

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 difference between the lowest power output and the highest power output of a transmitter
C	The percentage of time that a transmitter is not transmitting
D	The percentage of time that a transmitter is transmitting

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	Volunteer Frequency Coordinator recognized by local amateurs
B	Frequency Spectrum Manager appointed by the FCC
C	FCC Regional Field Office
D	International Telecommunication Union

5. - T1B05

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

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

6. - T1C01

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

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

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

8. - T1E08

Which of the following is an example of automatic control?

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

9. - T1F06

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

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

10. - T2A06

Which of the following is required when making on-the-air test transmissions?

Select	Answer
A	Identify the transmitting station
B	All these choices are correct
C	Notify the FCC of the transmissions
D	Conduct tests only between 10 p.m. and 6 a.m. local time

11. - T2B07

How can you join a digital repeater’s “talkgroup”?

Select	Answer
A	Sign your call after the courtesy tone
B	Register your radio with the local FCC office
C	Join the repeater owner’s club
D	Program your radio with the group’s ID or code

12. - T2C02

Which of the following are typical duties of a Net Control Station?

Select	Answer
A	Choose the regular net meeting time and frequency
B	All these choices are correct
C	Call the net to order and direct communications between stations checking in
D	Ensure that all stations checking into the net are properly licensed for operation on the net frequency

13. - T3A02

What is the effect of vegetation on UHF and microwave signals?

Select	Answer
A	Absorption
B	Polarization rotation
C	Knife-edge diffraction
D	Amplification

14. - T3B11

What is the approximate velocity of a radio wave in free space?

Select	Answer
A	150,000 meters per second
B	300,000,000 miles per hour
C	300,000,000 meters per second
D	150,000 miles per hour

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

16. - T4A12

What is an electronic keyer?

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

17. - T4B02

Which of the following can be used to enter a transceiver’s operating frequency?

Select	Answer
A	All these choices are correct
B	The Automatic Frequency Control
C	The keypad or VFO knob
D	The CTCSS or DTMF encoder

18. - T5A05

What is the electrical term for the force that causes electron flow?

Select	Answer
A	Capacitance
B	Voltage
C	Inductance
D	Ampere-hours

19. - T5B06

Which is equal to 3000 milliamperes?

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

20. - T5C09

How much power is delivered by a voltage of 13.8 volts DC and a current of 10 amperes?

Select	Answer
A	3.8 watts
B	23.8 watts
C	0.7 watts
D	138 watts

21. - T5D08

What is the current through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	2 amperes
B	20,000 amperes
C	0.5 amperes
D	100 amperes

22. - T6A09

What electrical component is used to protect other circuit components from current overloads?

Select	Answer
A	Thyratron
B	Fuse
C	Varactor
D	All these choices are correct

23. - T6B04

Which of the following components can consist of three regions of semiconductor material?

Select	Answer
A	Alternator
B	Triode
C	Transistor
D	Pentagrid converter

24. - T6C08

What is component 9 in figure T-2?

Select	Answer
A	Variable inductor
B	Variable transformer
C	Variable capacitor
D	Variable resistor

25. - T6D07

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

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

26. - T7A08

Which of the following describes combining speech with an RF carrier signal?

Select	Answer
A	Oscillation
B	Low-pass filtering
C	Impedance matching
D	Modulation

27. - T7B11

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

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

28. - T7C02

Which of the following is used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A frequency counter
B	A VTVM
C	A Q meter
D	An antenna analyzer

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 grounded
C	Ensure that the circuit is operating at the correct frequency
D	Ensure that the applied voltages are correct

30. - T8A02

What type of modulation is commonly used for VHF packet radio transmissions?

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

31. - T8B08

What is meant by the statement that a satellite is operating in U/V mode?

Select	Answer
A	The satellite frequencies are usually variable
B	The satellite operates using ultraviolet frequencies
C	The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
D	The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band

32. - T8C11

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

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

33. - T8D06

What does the abbreviation "PSK" mean?

Select	Answer
A	Phased Slide Keying
B	Phase Shift Keying
C	Packet Short Keying
D	Pulse Shift Keying

34. - T9A01

What is a beam antenna?

Select	Answer
A	An omnidirectional antenna invented by Clarence Beam
B	An antenna built from aluminum I-beams
C	An antenna that reverses the phase of received signals
D	An antenna that concentrates signals in one direction

35. - T9B09

What can cause erratic changes in SWR?

Select	Answer
A	Loose connection in the antenna or feed line
B	Overload from a strong local station
C	Local thunderstorm
D	Over-modulation

Figure T-2