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. - T0A05

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

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

2. - T0B03

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

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

3. - T0C05

Why do exposure limits vary with frequency?

Select	Answer
A	Lower frequency RF fields have more energy than higher frequency fields
B	The human body absorbs more RF energy at some frequencies than at others
C	Lower frequency RF fields do not penetrate the human body
D	Higher frequency RF fields are transient in nature

4. - T1A05

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

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

5. - T1B12

Except for some specific restrictions, what is the maximum peak envelope power output for Technician class operators using frequencies above 30 MHz?

Select	Answer
A	1500 watts
B	500 watts
C	50 watts
D	100 watts

6. - T1C06

From which of the following locations may an FCC-licensed amateur station transmit?

Select	Answer
A	From any vessel or craft located in international waters and documented or registered in the United States
B	From within any country that is a member of the United Nations
C	From within any country that belongs to the International Telecommunication Union
D	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3

7. - T1D11

When may an amateur station transmit without identifying on the air?

Select	Answer
A	When the transmitted power level is below 1 watt
B	When the transmissions are unmodulated
C	When transmitting signals to control model craft
D	When the transmissions are of a brief nature to make station adjustments

8. - T1E09

Which of the following are required for remote control operation?

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

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 upon request by an FCC representative
D	At any time after written notification by the FCC of such inspection

10. - T2A08

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

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

11. - T2B05

What would cause your FM transmission audio to be distorted on voice peaks?

Select	Answer
A	Your transmit power is too high
B	You need to talk louder
C	Your repeater offset is inverted
D	You are talking too loudly

12. - T2C07

Which of the following is standard practice when you participate in a net?

Select	Answer
A	All these choices are correct
B	Record the time of each of your transmissions
C	Unless you are reporting an emergency, transmit only when directed by the net control station
D	When first responding to the net control station, transmit your call sign, name, and address as in the FCC database

13. - T3A10

What effect does multi-path propagation have on data transmissions?

Select	Answer
A	Transmission rates must be increased by a factor equal to the number of separate paths observed
B	No significant changes will occur if the signals are transmitted using FM
C	Transmission rates must be decreased by a factor equal to the number of separate paths observed
D	Error rates are likely to increase

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C06

What type of propagation is responsible for allowing over-the-horizon VHF and UHF communications to ranges of approximately 300 miles on a regular basis?

Select	Answer
A	D region refraction
B	Tropospheric ducting
C	Faraday rotation
D	F2 region refraction

16. - T4A10

What function is performed with a transceiver and a digital mode hot spot?

Select	Answer
A	RTTY encoding and decoding without a computer
B	High-speed digital communications for meteor scatter
C	FT8 digital communications via AFSK
D	Communication using digital voice or data systems via the internet

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. - T5A11

What type of current flow is opposed by resistance?

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

19. - T5B04

Which is equal to one microvolt?

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

20. - T5C05

What is the unit of impedance?

Select	Answer
A	The volt
B	The ohm
C	The ampere
D	The coulomb

21. - T5D03

What formula is used to calculate resistance in a circuit?

Select	Answer
A	R = E / I
B	R = E + I
C	R = E - I
D	R = E x I

22. - T6A07

What electrical component is typically constructed as a coil of wire?

Select	Answer
A	Inductor
B	Switch
C	Diode
D	Capacitor

23. - T6B03

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

Select	Answer
A	Transistor
B	Potentiometer
C	Thermistor
D	Varistor

24. - T6C06

What is component 6 in figure T-2?

Select	Answer
A	Resistor
B	Transistor
C	Capacitor
D	Regulator IC

25. - T6D07

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

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

26. - T7A07

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

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

27. - T7B07

Which of the following can reduce overload of a VHF transceiver by a nearby commercial FM station?

Select	Answer
A	Using double-shielded coaxial cable
B	Installing a band-reject filter
C	Installing an RF preamplifier
D	Installing bypass capacitors on the microphone cable

28. - T7C10

Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

Select	Answer
A	Ultraviolet light can damage the jacket and allow water to enter the cable
B	Ultraviolet light can increase losses in the cable’s jacket
C	Ultraviolet resistant jackets prevent harmonic radiation
D	Ultraviolet and RF signals can mix, causing interference

29. - T7D07

Which of the following measurements are made using a multimeter?

Select	Answer
A	Voltage and resistance
B	All these choices are correct
C	Impedance and reactance
D	Signal strength and noise

30. - T8A10

What is the approximate bandwidth of AM fast-scan TV transmissions?

Select	Answer
A	More than 10 MHz
B	About 3 MHz
C	About 1 MHz
D	About 6 MHz

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

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

Select	Answer
A	A set of rules specifying how to identify your station when linked over the internet to another station
B	A technique employed to “spot” DX stations via the internet
C	A method of delivering voice communications over the internet using digital techniques
D	A technique for measuring the modulation quality of a transmitter using remote sites monitored via the internet

33. - T8D01

Which of the following is a digital communications mode?

Select	Answer
A	All these choices are correct
B	IEEE 802.11
C	Packet radio
D	FT8

34. - T9A02

Which of the following describes a type of antenna loading?

Select	Answer
A	Strengthening the radiating elements of a beam antenna to better resist wind damage
B	Installing a spring in the base of a mobile vertical antenna to make it more flexible
C	Inserting a resistor in the radiating portion of the antenna to make it resonant
D	Electrically lengthening by inserting inductors in radiating elements

35. - T9B06

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

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

Figure T-2