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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C09

How can you make sure your station stays in compliance with RF safety regulations?

Select	Answer
A	By making sure your antennas have low SWR
B	By informing the FCC of any changes made in your station
C	All these choices are correct
D	By re-evaluating the station whenever an item in the transmitter or antenna system is changed

4. - T1A10

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

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

5. - T1B04

Which amateur band includes 146.52 MHz?

Select	Answer
A	20 meters
B	70 centimeters
C	6 meters
D	2 meters

6. - T1C10

How soon after passing the examination for your first amateur radio license may you transmit on the amateur radio bands?

Select	Answer
A	Immediately on receiving your Certificate of Successful Completion of Examination (CSCE)
B	As soon as your operator/station license grant appears in the FCC’s license database
C	As soon as your operator/station license grant appears on the ARRL website
D	As soon as you receive your license in the mail from the FCC

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

8. - T1E09

Which of the following are required for remote control operation?

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

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments
B	Operation when the transmitting equipment is licensed to a person other than the control operator
C	A message from a control operator to another amateur station control operator on behalf of another person
D	Amateur radio communications where three stations are in communications with one another

10. - T2A05

How should you respond to a station calling CQ?

Select	Answer
A	Transmit the other station’s call sign followed by your call sign
B	Transmit "CQ" followed by the other station’s call sign
C	Transmit your call sign followed by the other station’s call sign
D	Transmit a signal report followed by your call sign

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	So stations with simple transmitters can access the repeater without automated offset
B	For contest operation
C	For working DX only
D	So stations within range of each other can communicate without tying up a repeater

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 email address of the originating station
C	The telephone number of the addressee
D	Information needed to track 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	There is little effect
D	Absorption

14. - T3B07

In addition to frequency, which of the following is used to identify amateur radio bands?

Select	Answer
A	Traditional letter/number designators
B	The approximate wavelength in meters
C	Channel numbers
D	All these choices are correct

15. - T3C01

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

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

16. - T4A09

How can you determine the length of time that equipment can be powered from a battery?

Select	Answer
A	Divide the battery ampere-hour rating by the average current draw of the equipment
B	Multiply the square of the current rating of the battery by the input resistance of the equipment
C	Multiply the watts per hour consumed by the equipment by the battery power rating
D	Divide the watt-hour rating of the battery by the peak power consumption of the equipment

17. - T4B02

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

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

18. - T5A12

What describes the number of times per second that an alternating current makes a complete cycle?

Select	Answer
A	Wavelength
B	Frequency
C	Speed
D	Pulse rate

19. - T5B13

Which is equal to 2425 MHz?

Select	Answer
A	2425 GHz
B	0.002425 GHz
C	2.425 GHz
D	24.25 GHz

20. - T5C10

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

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

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	1.5 volts
B	2.5 volts
C	1 volt
D	0.25 volts

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Resistance
B	Inductance
C	Field strength
D	Capacitance

23. - T6B12

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

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

24. - T6C08

What is component 9 in figure T-2?

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

25. - T6D05

What type of circuit controls the amount of voltage from a power supply?

Select	Answer
A	Filter
B	Regulator
C	Oscillator
D	Phase inverter

26. - T7A07

What is the function of a transceiver’s PTT input?

Select	Answer
A	Provides a transmit tuning tone when grounded
B	Input for a preamplifier tuning tone
C	Switches transceiver from receive to transmit when grounded
D	Input for a key used to send CW

27. - T7B06

Which of the following actions should you take if a neighbor tells you that your station’s transmissions are interfering with their radio or TV reception?

Select	Answer
A	All these choices are correct
B	Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
C	Immediately turn off your transmitter and contact the nearest FCC office for assistance
D	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated

28. - T7C06

What does an SWR reading of 4:1 indicate?

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

29. - T7D01

Which instrument would you use to measure electric potential?

Select	Answer
A	An ammeter
B	An ohmmeter
C	A voltmeter
D	A wavemeter

30. - T8A06

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

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

31. - T8B03

Which of the following are provided by satellite tracking programs?

Select	Answer
A	The time, azimuth, and elevation of the start, maximum altitude, and end of a pass
B	The apparent frequency of the satellite transmission, including effects of Doppler shift
C	Maps showing the real-time position of the satellite track over Earth
D	All these choices are correct

32. - T8C02

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

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

33. - T8D04

What type of transmission is indicated by the term "NTSC?"

Select	Answer
A	A frame compression scheme for TV signals
B	An analog fast-scan color TV signal
C	A Normal Transmission mode in Static Circuit
D	A special mode for satellite uplink

34. - T9A08

What is the approximate length, in inches, of a quarter-wavelength vertical antenna for 146 MHz?

Select	Answer
A	12
B	19
C	112
D	50

35. - T9B05

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

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

Figure T-2