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. - T0A10

What hazard is caused by charging or discharging a battery too quickly?

Select	Answer
A	Inverse memory effect
B	Half-wave rectification
C	Excess output ripple
D	Overheating or out-gassing

2. - T0B03

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

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

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

4. - T1A01

Which of the following is part of the Basis and Purpose of the Amateur Radio Service?

Select	Answer
A	Advancing skills in the technical and communication phases of the radio art
B	Providing communications for international non-profit organizations
C	Providing personal radio communications for as many citizens as possible
D	All these choices are correct

5. - T1B04

Which amateur band includes 146.52 MHz?

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

6. - T1C09

What is the grace period for renewal if an amateur license expires?

Select	Answer
A	Ten years
B	Three years
C	Two years
D	Five years

7. - T1D01

With which countries are FCC-licensed amateur radio stations prohibited from exchanging communications?

Select	Answer
A	Any country banned from making such communications by the American Radio Relay League (ARRL)
B	Any country banned from such communications by the International Amateur Radio Union (IARU)
C	Any country whose administration has notified the International Telecommunication Union (ITU) that it objects to such communications
D	Any country whose administration has notified the American Radio Relay League (ARRL) that it objects to such communications

8. - T1E02

Who may be the control operator of a station communicating through an amateur satellite or space station?

Select	Answer
A	Any amateur allowed to transmit on the satellite uplink frequency
B	Only an Amateur Extra Class operator who is also an AMSAT member
C	A General class or higher licensee with a satellite operator certification
D	Only an Amateur Extra Class operator

9. - T1F01

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

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

10. - T2A01

What is a common repeater frequency offset in the 2 meter band?

Select	Answer
A	Plus or minus 500 kHz
B	Plus or minus 1 MHz
C	Plus or minus 600 kHz
D	Plus or minus 5 MHz

11. - T2B03

Which of the following describes a linked repeater network?

Select	Answer
A	A single repeater with more than one receiver
B	A system of repeaters linked by APRS
C	Multiple repeaters with the same control operator
D	A network of repeaters in which signals received by one repeater are transmitted by all the repeaters in the network

12. - T2C09

Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

Select	Answer
A	Yes, but only when part of a RACES emergency plan
B	No
C	Yes, but only when part of a FEMA emergency plan
D	Yes, but only in situations involving the immediate safety of human life or protection of property

13. - T3A01

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

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

14. - T3B03

What are the two components of a radio wave?

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

15. - T3C02

What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

Select	Answer
A	Long-distance ionospheric propagation is far more common on HF
B	HF accommodates wider bandwidth signals
C	HF antennas are generally smaller
D	There is less atmospheric interference (static) on HF

16. - T4A06

What signals are used in a computer-radio interface for digital mode operation?

Select	Answer
A	Receive and transmit mode, status, and location
B	Antenna and RF power
C	Receive audio, transmit audio, and transmitter keying
D	NMEA GPS location and DC power

17. - T4B02

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

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

18. - T5A11

What type of current flow is opposed by resistance?

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

19. - T5B11

Which decibel value represents a power increase from 20 watts to 200 watts?

Select	Answer
A	12 dB
B	18 dB
C	10 dB
D	28 dB

20. - T5C06

What does the abbreviation “RF” mean?

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

21. - T5D02

What formula is used to calculate voltage in a circuit?

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

22. - T6A09

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

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

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Transistor
B	Reactor
C	Resistor
D	Transformer

24. - T6C07

What is component 8 in figure T-2?

Select	Answer
A	Light emitting diode
B	Regulator IC
C	Inductor
D	Resistor

25. - T6D01

Which of the following devices or circuits changes an alternating current into a varying direct current signal?

Select	Answer
A	Rectifier
B	Reflector
C	Amplifier
D	Transformer

26. - T7A03

Which of the following is used to convert a signal from one frequency to another?

Select	Answer
A	Phase splitter
B	Inverter
C	Mixer
D	Amplifier

27. - T7B08

What should you do if something in a neighbor’s home is causing harmful interference to your amateur station?

Select	Answer
A	All these choices are correct
B	Politely inform your neighbor that FCC rules prohibit the use of devices that cause interference
C	Work with your neighbor to identify the offending device
D	Make sure your station meets the standards of good amateur practice

28. - T7C03

What does a dummy load consist of?

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

29. - T7D11

Which of the following precautions should be taken when measuring in-circuit resistance with an ohmmeter?

Select	Answer
A	Ensure that the applied voltages are correct
B	Ensure that the circuit is not powered
C	Ensure that the circuit is operating at the correct frequency
D	Ensure that the circuit is grounded

30. - T8A09

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

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

31. - T8B04

What mode of transmission is commonly used by amateur radio satellites?

Select	Answer
A	CW/data
B	All these choices are correct
C	FM
D	SSB

32. - T8C07

What is Voice Over Internet Protocol (VoIP)?

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

33. - T8D05

Which of the following is an application of APRS?

Select	Answer
A	Providing real-time tactical digital communications in conjunction with a map showing the locations of stations
B	Providing voice over internet connection between repeaters
C	Showing automatically the number of packets transmitted via PACTOR during a specific time interval
D	Providing information on the number of stations signed into a repeater

34. - T9A08

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

Select	Answer
A	112
B	12
C	50
D	19

35. - T9B10

What is the electrical difference between RG-58 and RG-213 coaxial cable?

Select	Answer
A	RG-58 cable can handle higher power levels
B	RG-58 cable has two shields
C	There is no significant difference between the two types
D	RG-213 cable has less loss at a given frequency

Figure T-2