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	Overheating or out-gassing
C	Excess output ripple
D	Half-wave rectification

2. - T0B07

Which of the following is an important safety rule to remember when using a crank-up tower?

Select	Answer
A	This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
B	This type of tower must never be grounded
C	This type of tower must never be painted
D	All these choices are correct

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

4. - T1A08

Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?

Select	Answer
A	FCC Regional Field Office
B	Frequency Spectrum Manager appointed by the FCC
C	Volunteer Frequency Coordinator recognized by local amateurs
D	International Telecommunication Union

5. - T1B09

Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?

Select	Answer
A	So that modulation sidebands do not extend beyond the band edge
B	To allow for calibration error in the transmitter frequency display
C	All these choices are correct
D	To allow for transmitter frequency drift

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 belongs to the International Telecommunication Union
C	From anywhere within International Telecommunication Union (ITU) Regions 2 and 3
D	From within any country that is a member of the United Nations

7. - T1D08

In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

Select	Answer
A	When the communication is made to obtain emergency information for a local broadcast station
B	When the communication is incidental to classroom instruction at an educational institution
C	When the communication is related to the sale of amateur equipment by the control operator's employer
D	All these choices are correct

8. - T1E01

When may an amateur station transmit without a control operator?

Select	Answer
A	When using automatic control, such as in the case of a repeater
B	When the station licensee is away and another licensed amateur is using the station
C	When the transmitting station is an auxiliary station
D	Never

9. - T1F10

Who is accountable if a repeater inadvertently retransmits communications that violate the FCC rules?

Select	Answer
A	The owner of the repeater
B	The control operator of the repeater
C	The control operator of the originating station
D	Both the originating station and the repeater owner

10. - T2A03

What is a common repeater frequency offset in the 70 cm band?

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

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	All these choices are correct
C	You are using the wrong DCS code
D	You are using the wrong CTCSS tone

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 in situations involving the immediate safety of human life or protection of property
D	Yes, but only when part of a FEMA emergency plan

13. - T3A11

Which region of the atmosphere can refract or bend HF and VHF radio waves?

Select	Answer
A	The troposphere
B	The ionosphere
C	The mesosphere
D	The stratosphere

14. - T3B01

What is the relationship between the electric and magnetic fields of an electromagnetic wave?

Select	Answer
A	They are in parallel
B	They revolve in opposite directions
C	They travel at different speeds
D	They are at right angles

15. - T3C01

Why are simplex UHF signals rarely heard beyond their radio horizon?

Select	Answer
A	FCC regulations prohibit them from going more than 50 miles
B	UHF signals are usually not propagated by the ionosphere
C	UHF signals are absorbed by the ionospheric D region
D	They are too weak to go very far

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. - T4B07

What does a DMR “code plug” contain?

Select	Answer
A	The DMR software version
B	Access information for repeaters and talkgroups
C	The codec for digitizing audio
D	Your call sign in CW for automatic identification

18. - T5A07

Why are metals generally good conductors of electricity?

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

19. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	150 milliamperes
B	15 milliamperes
C	1500 milliamperes
D	15,000 milliamperes

20. - T5C01

What describes the ability to store energy in an electric field?

Select	Answer
A	Tolerance
B	Inductance
C	Resistance
D	Capacitance

21. - T5D10

What is the voltage across a 2-ohm resistor if a current of 0.5 amperes flows through it?

Select	Answer
A	0.25 volts
B	1 volt
C	2.5 volts
D	1.5 volts

22. - T6A07

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

Select	Answer
A	Inductor
B	Diode
C	Switch
D	Capacitor

23. - T6B06

How is the cathode lead of a semiconductor diode often marked on the package?

Select	Answer
A	With the letter C
B	With the word "cathode"
C	With the letter K
D	With a stripe

24. - T6C01

What is the name of an electrical wiring diagram that uses standard component symbols?

Select	Answer
A	Bill of materials
B	Connector pinout
C	Schematic
D	Flow chart

25. - T6D09

What is the name of a device that combines several semiconductors and other components into one package?

Select	Answer
A	Transformer
B	Integrated circuit
C	Transducer
D	Multi-pole relay

26. - T7A06

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

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

27. - T7B11

What is a symptom of RF feedback in a transmitter or transceiver?

Select	Answer
A	Excessive SWR at the antenna connection
B	Reports of garbled, distorted, or unintelligible voice transmissions
C	The transmitter will not stay on the desired frequency
D	Frequent blowing of power supply fuses

28. - T7C11

What is a disadvantage of air core coaxial cable when compared to foam or solid dielectric types?

Select	Answer
A	It has more loss per foot
B	It cannot be used for VHF or UHF antennas
C	It requires special techniques to prevent moisture in the cable
D	It cannot be used at below freezing temperatures

29. - T7D09

What is the characteristic appearance of a cold tin-lead solder joint?

Select	Answer
A	Dark black spots
B	Excessive solder
C	A bright or shiny surface
D	A rough or lumpy surface

30. - T8A07

What is a characteristic of single sideband (SSB) compared to FM?

Select	Answer
A	SSB signals are less susceptible to interference
B	SSB signals are easier to tune in correctly
C	SSB signals have narrower bandwidth
D	All these choices are correct

31. - T8B04

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

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

32. - T8C04

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

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

33. - T8D01

Which of the following is a digital communications mode?

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

34. - T9A09

What is the approximate length, in inches, of a half-wavelength 6 meter dipole antenna?

Select	Answer
A	112
B	6
C	50
D	236

35. - T9B11

Which of the following types of feed line has the lowest loss at VHF and UHF?

Select	Answer
A	Multi-conductor unbalanced cable
B	50-ohm flexible coax
C	Air-insulated hardline
D	75-ohm flexible coax