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. - T0A10

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

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

2. - T0B01

Which of the following is good practice when installing ground wires on a tower for lightning protection?

Select	Answer
A	All these choices are correct
B	Ensure that connections are short and direct
C	Make sure all ground wire bends are right angles
D	Put a drip loop in the ground connection to prevent water damage to the ground system

3. - T0C10

Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?

Select	Answer
A	It takes into account the thermal effects of the final amplifier
B	It affects the average exposure to radiation
C	It affects the peak exposure to radiation
D	It takes into account the antenna feed line loss

4. - T1A04

How many operator/primary station license grants may be held by any one person?

Select	Answer
A	One
B	No more than two
C	One for each permanent station location from which the person plans to operate
D	One for each band on which the person plans to operate

5. - T1B02

Which amateurs may contact the International Space Station (ISS) on VHF bands?

Select	Answer
A	Any amateur holding a Technician class or higher license who has applied for and received approval from NASA
B	Any amateur holding a Technician class or higher license
C	Any amateur holding a General class or higher license
D	Any amateur holding a General class or higher license who has applied for and received approval from NASA

6. - T1C02

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

Select	Answer
A	Any licensed amateur
B	Only a licensed amateur with a General or Amateur Extra Class license
C	Only a licensed amateur who has been licensed continuously for more than 10 years
D	Only a licensed amateur with an Amateur Extra Class license

7. - T1D09

When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

Select	Answer
A	When broadcasting communications to or from the space shuttle
B	When such communications are directly related to the immediate safety of human life or protection of property
C	Never
D	Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network

8. - T1E02

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

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

9. - T1F08

What is the definition of third party communications?

Select	Answer
A	Operation when the transmitting equipment is licensed to a person other than the control operator
B	A message from a control operator to another amateur station control operator on behalf of another person
C	Amateur radio communications where three stations are in communications with one another
D	Temporary authorization for an unlicensed person to transmit on the amateur bands for technical experiments

10. - T2A02

What is the national calling frequency for FM simplex operations in the 2 meter band?

Select	Answer
A	145.000 MHz
B	432.100 MHz
C	446.000 MHz
D	146.520 MHz

11. - T2B09

Why are simplex channels designated in the VHF/UHF band plans?

Select	Answer
A	For working DX only
B	For contest operation
C	So stations within range of each other can communicate without tying up a repeater
D	So stations with simple transmitters can access the repeater without automated offset

12. - T2C10

What information is contained in the preamble of a formal traffic message?

Select	Answer
A	The email address of the originating station
B	Information needed to track the message
C	The address of the intended recipient
D	The telephone number of the addressee

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	Error rates are likely to increase
D	Transmission rates must be decreased by a factor equal to the number of separate paths observed

14. - T3B09

What frequency range is referred to as UHF?

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

15. - T3C10

Which of the following bands may provide long-distance communications via the ionosphere’s F region during the peak of the sunspot cycle?

Select	Answer
A	6 and 10 meters
B	70 centimeters and 1.25 meters
C	23 centimeters
D	All these choices are correct

16. - T4A11

Where should the negative power return of a mobile transceiver be connected in a vehicle?

Select	Answer
A	At the antenna mount
B	At the 12 volt battery chassis ground
C	Through the transceiver’s mounting bracket
D	To any metal part of the vehicle

17. - T4B03

How is squelch adjusted so that a weak FM signal can be heard?

Select	Answer
A	Enable squelch enhancement
B	Turn up the audio level until it overcomes the squelch threshold
C	Turn on the anti-squelch function
D	Set the squelch threshold so that receiver output audio is on all the time

18. - T5A01

Electrical current is measured in which of the following units?

Select	Answer
A	Volts
B	Watts
C	Amperes
D	Ohms

19. - T5B06

Which is equal to 3000 milliamperes?

Select	Answer
A	3 amperes
B	0.3 amperes
C	3,000,000 amperes
D	0.003 amperes

20. - T5C08

What is the formula used to calculate electrical power (P) in a DC circuit?

Select	Answer
A	P = E / I
B	P = I + E
C	P = E – I
D	P = I  E

21. - T5D14

In which type of circuit is voltage the same across all components?

Select	Answer
A	Branch
B	Series
C	Parallel
D	Resonant

22. - T6A03

What electrical parameter is controlled by a potentiometer?

Select	Answer
A	Inductance
B	Field strength
C	Capacitance
D	Resistance

23. - T6B10

Which of the following can provide power gain?

Select	Answer
A	Resistor
B	Reactor
C	Transistor
D	Transformer

24. - T6C03

What is component 2 in figure T-1?

Select	Answer
A	Connector
B	Transistor
C	Indicator lamp
D	Resistor

25. - T6D04

Which of the following displays an electrical quantity as a numeric value?

Select	Answer
A	Transistor
B	Relay
C	Potentiometer
D	Meter

26. - T7A06

What device converts the RF input and output of a transceiver to another band?

Select	Answer
A	High-pass filter
B	Transverter
C	Low-pass filter
D	Phase converter

27. - T7B09

What should be the first step to resolve non-fiber optic cable TV interference caused by your amateur radio transmission?

Select	Answer
A	Add a low-pass filter to the TV antenna input
B	Be sure all TV feed line coaxial connectors are installed properly
C	Add a high-pass filter to the TV antenna input
D	Add a preamplifier to the TV antenna input

28. - T7C08

Which instrument can be used to determine SWR?

Select	Answer
A	Iambic pentameter
B	Directional wattmeter
C	Ohmmeter
D	Voltmeter

29. - T7D03

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

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

30. - T8A10

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

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

31. - T8B12

Which of the following is a way to determine whether your satellite uplink power is neither too low nor too high?

Select	Answer
A	All these choices are correct
B	Listen for distortion on your downlink signal
C	Your signal strength on the downlink should be about the same as the beacon
D	Check your signal strength report in the telemetry data

32. - T8C05

What is a grid locator?

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

33. - T8D11

What is an ARQ transmission system?

Select	Answer
A	A special transmission format limited to video signals
B	An error correction method in which the receiving station detects errors and sends a request for retransmission
C	A method of compressing data using autonomous reiterative Q codes prior to final encoding
D	A system used to encrypt command signals to an amateur radio satellite

34. - T9A07

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

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

35. - T9B12

What is standing wave ratio (SWR)?

Select	Answer
A	The transmitter efficiency ratio
B	The ratio of amplifier power output to input
C	A measure of how well a load is matched to a transmission line
D	An indication of the quality of your station’s ground connection

Figure T-1