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

2. - T0B02

What is required when climbing an antenna tower?

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

3. - T0C03

How does the allowable power density for RF safety change if duty cycle changes from 100 percent to 50 percent?

Select	Answer
A	It decreases by 50 percent
B	It increases by a factor of 3
C	There is no adjustment allowed for lower duty cycle
D	It increases by a factor of 2

4. - T1A05

What proves that the FCC has issued an operator/primary license grant?

Select	Answer
A	A printed copy of the certificate of successful completion of examination
B	The license appears in the FCC ULS database
C	An email notification from the NCVEC granting the license
D	All these choices are correct

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. - T1C08

What is the normal term for an FCC-issued amateur radio license?

Select	Answer
A	Ten years
B	Life
C	Eight years
D	Five years

7. - T1D03

When is it permissible to transmit messages encoded to obscure their meaning?

Select	Answer
A	Never
B	Only when transmitting control commands to space stations or radio control craft
C	Only during contests
D	Only when transmitting certain approved digital codes

8. - T1E07

When the control operator is not the station licensee, who is responsible for the proper operation of the station?

Select	Answer
A	All licensed amateurs who are present at the operation
B	Only the control operator
C	The control operator and the station licensee
D	Only the station licensee

9. - T1F01

When must the station and its records be available for FCC inspection?

Select	Answer
A	Only when presented with a valid warrant by an FCC official or government agent
B	At any time ten days after notification by the FCC of such an inspection
C	At any time after written notification by the FCC of such inspection
D	At any time upon request by an FCC representative

10. - T2A08

What is the meaning of the procedural signal “CQ”?

Select	Answer
A	Test transmission, no reply expected
B	Call on the quarter hour
C	Calling any station
D	Only the called station should transmit

11. - T2B13

What is the purpose of a squelch function?

Select	Answer
A	Reduce interference from impulse noise
B	Mute the receiver audio when a signal is not present
C	Reduce a CW transmitter's key clicks
D	Eliminate parasitic oscillations in an RF amplifier

12. - T2C03

What technique is used to ensure that voice messages containing unusual words are received correctly?

Select	Answer
A	Send the words by voice and Morse code
B	Spell the words using a standard phonetic alphabet
C	All these choices are correct
D	Speak very loudly into the microphone

13. - T3A12

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

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

14. - T3B03

What are the two components of a radio wave?

Select	Answer
A	Electric and magnetic fields
B	Ionizing and non-ionizing radiation
C	Voltage and current
D	Impedance and reactance

15. - T3C01

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

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

16. - T4A02

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

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

17. - T4B10

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

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

18. - T5A02

Electrical power is measured in which of the following units?

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

19. - T5B03

Which is equal to one kilovolt?

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

20. - T5C10

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

Select	Answer
A	30 watts
B	4.8 watts
C	0.208 watts
D	14.5 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	0.25 volts
B	1 volt
C	1.5 volts
D	2.5 volts

22. - T6A01

What electrical component opposes the flow of current in a DC circuit?

Select	Answer
A	Inverter
B	Resistor
C	Transformer
D	Inductor

23. - T6B03

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

Select	Answer
A	Varistor
B	Transistor
C	Thermistor
D	Potentiometer

24. - T6C05

What is component 4 in figure T-1?

Select	Answer
A	Resistor
B	Transistor
C	Battery
D	Ground symbol

25. - T6D11

Which of the following is a resonant or tuned circuit?

Select	Answer
A	An inductor and a capacitor in series or parallel
B	A resistor circuit used for reducing standing wave ratio
C	A circuit designed to provide high-fidelity audio
D	A linear voltage regulator

26. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the transmitter and the antenna tuner
B	At the output of the receiver audio amplifier
C	Between the antenna and receiver
D	At the output of the transmitter power amplifier

27. - T7B03

Which of the following can cause radio frequency interference?

Select	Answer
A	Harmonics
B	Spurious emissions
C	Fundamental overload
D	All these choices are correct

28. - T7C03

What does a dummy load consist of?

Select	Answer
A	A low-voltage power supply and a DC relay
B	A 50-ohm reactance used to terminate a transmission line
C	A high-gain amplifier and a TR switch
D	A non-inductive resistor mounted on a heat sink

29. - T7D10

What reading indicates that an ohmmeter is connected across a large, discharged capacitor?

Select	Answer
A	Increasing resistance with time
B	Steady full-scale reading
C	Decreasing resistance with time
D	Alternating between open and short circuit

30. - T8A09

What is the approximate bandwidth of a VHF repeater FM voice signal?

Select	Answer
A	Between 10 and 15 kHz
B	Less than 500 Hz
C	Between 50 and 125 kHz
D	About 150 kHz

31. - T8B10

What is a LEO satellite?

Select	Answer
A	A satellite in low earth orbit
B	A satellite in low energy operation mode
C	A sun synchronous satellite
D	A highly elliptical orbit satellite

32. - T8C01

Which of the following methods is used to locate sources of noise interference or jamming?

Select	Answer
A	Radio direction finding
B	Doppler radar
C	Phase locking
D	Echolocation

33. - T8D06

What does the abbreviation "PSK" mean?

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

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 is mechanically fragile
B	All these choices are correct
C	It has low efficiency
D	It transmits only circularly polarized signals

35. - T9B06

Which of the following RF connector types is most suitable for frequencies above 400 MHz?

Select	Answer
A	RS-213
B	DB-25
C	UHF (PL-259/SO-239)
D	Type N

Figure T-1