US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Anonymous User

US Amateur Radio - Technician (Element 2, 2022-2026) Practice Test

Logging in (or registering) will help the system to select questions that you need to focus on.

1. - T0A05

Why should a 5-ampere fuse never be replaced with a 20-ampere fuse?

Select	Answer
A	The larger fuse would be likely to blow because it is rated for higher current
B	The power supply ripple would greatly increase
C	Excessive current could cause a fire
D	All these choices are correct

2. - T0B04

Which of the following is an important safety precaution to observe when putting up an antenna tower?

Select	Answer
A	Insulate the base of the tower to avoid lightning strikes
B	Look for and stay clear of any overhead electrical wires
C	Wear a ground strap connected to your wrist at all times
D	All these choices are correct

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. - T1A09

Who selects a Frequency Coordinator?

Select	Answer
A	The local chapter of the Office of National Council of Independent Frequency Coordinators
B	The FCC Office of Spectrum Management and Coordination Policy
C	FCC Regional Field Office
D	Amateur operators in a local or regional area whose stations are eligible to be repeater or auxiliary stations

5. - T1B06

On which HF bands does a Technician class operator have phone privileges?

Select	Answer
A	None
B	80 meter, 40 meter, 15 meter, and 10 meter bands
C	30 meter band only
D	10 meter band only

6. - T1C02

Who may select a desired call sign under the vanity call sign rules?

Select	Answer
A	Only a licensed amateur with an Amateur Extra Class license
B	Only a licensed amateur with a General or Amateur Extra Class license
C	Any licensed amateur
D	Only a licensed amateur who has been licensed continuously for more than 10 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 the equipment is not the personal property of either the station licensee, or the control operator, or their close relatives
B	When selling amateur radio equipment and not on a regular basis
C	When no profit is made on the sale
D	Never

8. - T1E04

What determines the transmitting frequency privileges of an amateur station?

Select	Answer
A	The frequency authorized by the frequency coordinator
B	The class of operator license held by the control operator
C	The frequencies printed on the license grant
D	The highest class of operator license held by anyone on the premises

9. - T1F02

How often must you identify with your FCC-assigned call sign when using tactical call signs such as “Race Headquarters”?

Select	Answer
A	Once during every hour
B	Never, the tactical call is sufficient
C	At the end of every transmission
D	At the end of each communication and every ten minutes during a communication

10. - T2A11

What term describes an amateur station that is transmitting and receiving on the same frequency?

Select	Answer
A	Simplex
B	Full duplex
C	Multiplex
D	Diplex

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

12. - T2C08

Which of the following is a characteristic of good traffic handling?

Select	Answer
A	All these choices are correct
B	Making decisions as to whether messages are worthy of relay or delivery
C	Ensuring that any newsworthy messages are relayed to the news media
D	Passing messages exactly as received

13. - T3A07

What weather condition might decrease range at microwave frequencies?

Select	Answer
A	High winds
B	Low barometric pressure
C	Colder temperatures
D	Precipitation

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F region?

Select	Answer
A	From dawn to shortly after sunset during periods of low sunspot activity
B	From dawn to shortly after sunset during periods of high sunspot activity
C	From shortly after sunset to dawn during periods of low sunspot activity
D	From shortly after sunset to dawn during periods of high sunspot activity

16. - T4A04

How are the transceiver audio input and output connected in a station configured to operate using FT8?

Select	Answer
A	To a computer connected to the FT8converter.com website
B	To an FT8 conversion unit, a keyboard, and a computer monitor
C	To a computer running a terminal program and connected to a terminal node controller unit
D	To the audio input and output of a computer running WSJT-X software

17. - T4B11

Which of the following must be programmed into a D-STAR digital transceiver before transmitting?

Select	Answer
A	All these choices are correct
B	Your call sign
C	The codec type being used
D	Your output power

18. - T5A11

What type of current flow is opposed by resistance?

Select	Answer
A	RF current
B	All these choices are correct
C	Direct current
D	Alternating current

19. - T5B05

Which is equal to 500 milliwatts?

Select	Answer
A	50 watts
B	0.02 watts
C	0.5 watts
D	5 watts

20. - T5C12

What is impedance?

Select	Answer
A	The inverse of resistance
B	The opposition to AC current flow
C	The Q or Quality Factor of a component
D	The power handling capability of a component

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	200 amperes
C	0.667 amperes
D	1.5 amperes

22. - T6A08

What is the function of an SPDT switch?

Select	Answer
A	Two circuits are each switched between one of two other circuits
B	Two circuits are opened or closed
C	A single circuit is opened or closed
D	A single circuit is switched between one of two other circuits

23. - T6B02

What electronic component allows current to flow in only one direction?

Select	Answer
A	Resistor
B	Fuse
C	Driven element
D	Diode

24. - T6C11

What is component 4 in figure T-3?

Select	Answer
A	Transmitter
B	Antenna
C	Dummy load
D	Ground

25. - T6D02

What is a relay?

Select	Answer
A	A pass transistor
B	A current controlled amplifier
C	An electrically-controlled switch
D	An inverting amplifier

26. - T7A02

What is a transceiver?

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

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	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
B	All these choices are correct
C	Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
D	Immediately turn off your transmitter and contact the nearest FCC office for assistance

28. - T7C07

What happens to power lost in a feed line?

Select	Answer
A	It is radiated as harmonics
B	It distorts the signal
C	It increases the SWR
D	It is converted into heat

29. - T7D03

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

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

30. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread spectrum
B	Packet radio
C	Phase shift keying (PSK)
D	Single sideband

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

32. - T8C05

What is a grid locator?

Select	Answer
A	A letter-number designator assigned to an azimuth and elevation
B	An instrument for radio direction finding
C	A letter-number designator assigned to a geographic location
D	An instrument for neutralizing a final amplifier

33. - T8D08

Which of the following is included in packet radio transmissions?

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

34. - T9A12

What is an advantage of a 5/8 wavelength whip antenna for VHF or UHF mobile service?

Select	Answer
A	It eliminates distortion caused by reflected signals
B	It has more gain than a 1/4-wavelength antenna
C	It has 10 times the power gain of a 1/4 wavelength whip
D	It radiates at a very high angle

35. - T9B04

What is the major function of an antenna tuner (antenna coupler)?

Select	Answer
A	It allows an antenna to be used on both transmit and receive
B	It automatically selects the proper antenna for the frequency band being used
C	It matches the antenna system impedance to the transceiver's output impedance
D	It helps a receiver automatically tune in weak stations

Figure T-3