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

2. - T0B03

Under what circumstances is it safe to climb a tower without a helper or observer?

Select	Answer
A	When no mechanical work is being performed
B	When no electrical work is being performed
C	When the work being done is not more than 20 feet above the ground
D	Never

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

4. - T1A02

Which agency regulates and enforces the rules for the Amateur Radio Service in the United States?

Select	Answer
A	The FCC
B	All these choices are correct
C	FEMA
D	Homeland Security

5. - T1B03

Which frequency is in the 6 meter amateur band?

Select	Answer
A	28.50 MHz
B	49.00 MHz
C	222.15 MHz
D	52.525 MHz

6. - T1C08

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

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

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

8. - T1E10

Which of the following is an example of remote control as defined in Part 97?

Select	Answer
A	Repeater operation
B	Controlling a model aircraft, boat, or car by amateur radio
C	All these choices are correct
D	Operating the station over the internet

9. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign using only a phone emission
B	Send the call sign followed by the indicator RPT
C	Send the call sign using a CW or phone emission
D	Send the call sign followed by the indicator R

10. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of available net frequencies
B	A list of operating schedules
C	A plan devised by a club to indicate frequency band usage
D	A voluntary guideline for using different modes or activities within an amateur band

11. - T2B04

Which of the following could be the reason you are unable to access a repeater whose output you can hear?

Select	Answer
A	You are using the wrong CTCSS tone
B	All these choices are correct
C	Improper transceiver offset
D	You are using the wrong DCS code

12. - T2C01

When do FCC rules NOT apply to the operation of an amateur station?

Select	Answer
A	When operating under special ARES rules
B	When operating under special FEMA rules
C	FCC rules always apply
D	When operating a RACES station

13. - T3A01

Why do VHF signal strengths sometimes vary greatly when the antenna is moved only a few feet?

Select	Answer
A	All these choices are correct
B	The signal path encounters different concentrations of water vapor
C	VHF ionospheric propagation is very sensitive to path length
D	Multipath propagation cancels or reinforces signals

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C11

Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?

Select	Answer
A	Radio waves are blocked by dust particles
B	Radio waves are not blocked by dust particles
C	Radio signals move somewhat faster than the speed of light
D	The atmosphere refracts radio waves slightly

16. - T4A03

Why are short, heavy-gauge wires used for a transceiver’s DC power connection?

Select	Answer
A	To minimize voltage drop when transmitting
B	To avoid RF interference
C	All these choices are correct
D	To provide a good counterpoise for the antenna

17. - T4B10

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

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

18. - T5A07

Why are metals generally good conductors of electricity?

Select	Answer
A	All these choices are correct
B	They have relatively high density
C	They have many free electrons
D	They have many free protons

19. - T5B10

Which decibel value most closely represents a power decrease from 12 watts to 3 watts?

Select	Answer
A	-3 dB
B	-9 dB
C	-6 dB
D	-1 dB

20. - T5C06

What does the abbreviation “RF” mean?

Select	Answer
A	The real frequency transmitted as opposed to the apparent frequency
B	Radio frequency signals of all types
C	Reflective force in antenna transmission lines
D	The resonant frequency of a tuned circuit

21. - T5D09

What is the current through a 24-ohm resistor connected across 240 volts?

Select	Answer
A	10 amperes
B	216 amperes
C	0.1 amperes
D	24,000 amperes

22. - T6A09

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

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

23. - T6B07

What causes a light-emitting diode (LED) to emit light?

Select	Answer
A	Inductively-coupled RF signal
B	Forward current
C	Reverse current
D	Capacitively-coupled RF signal

24. - T6C09

What is component 4 in figure T-2?

Select	Answer
A	Potentiometer
B	Double-pole switch
C	Transformer
D	Variable inductor

25. - T6D08

Which of the following is combined with an inductor to make a resonant circuit?

Select	Answer
A	Potentiometer
B	Capacitor
C	Zener diode
D	Resistor

26. - T7A08

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

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

27. - T7B10

What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

Select	Answer
A	All these choices are correct
B	Your batteries are running low
C	You are in a bad location
D	Your transmitter is slightly off frequency

28. - T7C01

What is the primary purpose of a dummy load?

Select	Answer
A	To prevent transmitting signals over the air when making tests
B	To prevent over-modulation of a transmitter
C	To improve the signal-to-noise ratio of a receiver
D	To improve the efficiency of an antenna

29. - T7D04

Which instrument is used to measure electric current?

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

30. - T8A05

Which of the following types of signal has the narrowest bandwidth?

Select	Answer
A	FM voice
B	CW
C	SSB voice
D	Slow-scan TV

31. - T8B08

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

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

32. - T8C04

Which of the following is good procedure when contacting another station in a contest?

Select	Answer
A	All these choices are correct
B	Sign only the last two letters of your call if there are many other stations calling
C	Contact the station twice to be sure that you are in his log
D	Send only the minimum information needed for proper identification and the contest exchange

33. - T8D08

Which of the following is included in packet radio transmissions?

Select	Answer
A	All these choices are correct
B	A header that contains the call sign of the station to which the information is being sent
C	A check sum that permits error detection
D	Automatic repeat request in case of error

34. - T9A07

What is a disadvantage of using a handheld VHF transceiver with a flexible antenna inside a vehicle?

Select	Answer
A	All these choices are correct
B	Signal strength is reduced due to the shielding effect of the vehicle
C	The SWR might decrease, decreasing the signal strength
D	The bandwidth of the antenna will decrease, increasing SWR

35. - T9B07

Which of the following is true of PL-259 type coax connectors?

Select	Answer
A	They are watertight
B	They are commonly used at HF and VHF frequencies
C	They are preferred for microwave operation
D	They are a bayonet-type connector

Figure T-2