US Amateur Radio - Technician (Element 2, 2014-2018) Practice Test

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US Amateur Radio - Technician (Element 2, 2014-2018) Practice Test

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1. - T1A01

Which of the following is a purpose of the Amateur Radio Service as stated in the FCC rules and regulations?

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

2. - T1B04

Which amateur band are you using when your station is transmitting on 146.52 MHz?

Select	Answer
A	6 meter band
B	2 meter band
C	20 meter band
D	14 meter band

3. - T1C02

Which of the following is a valid US amateur radio station call sign?

Select	Answer
A	W3ABC
B	KMA3505
C	KDKA
D	11Q1176

4. - T1D03

When is the transmission of codes or ciphers that hide the meaning of a message allowed by an amateur station?

Select	Answer
A	Only when operating mobile
B	Only when transmitting control commands to space stations or radio control craft
C	Only when frequencies above 1280 MHz are used
D	Only during contests

5. - T1E08

Which of the following is an example of automatic control?

Select	Answer
A	Using a computer or other device to automatically send CW
B	Using a computer or other device to automatically identify
C	Controlling the station over the Internet
D	Repeater operation

6. - T1F05

What method of call sign identification is required for a station transmitting phone signals?

Select	Answer
A	Send the call sign followed by the indicator RPT
B	Send the call sign using CW or phone emission
C	Send the call sign followed by the indicator R
D	Send the call sign using only phone emission

7. - T2A02

What is the national calling frequency for FM simplex operations in the 70 cm band?

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

8. - T2B10

Which Q signal indicates that you are receiving interference from other stations?

Select	Answer
A	QRM
B	QTH
C	QSB
D	QRN

9. - T2C06

Which of the following is an accepted practice to get the immediate attention of a net control station when reporting an emergency?

Select	Answer
A	Play a pre-recorded emergency alert tone followed by your call sign
B	Repeat the words SOS three times followed by the call sign of the reporting station
C	Press the push-to-talk button three times
D	Begin your transmission by saying "Priority" or "Emergency" followed by your call sign

10. - T3A02

Why are UHF signals often more effective from inside buildings than VHF signals?

Select	Answer
A	This is incorrect; VHF works better than UHF inside buildings
B	UHF antennas are more efficient than VHF antennas
C	The shorter wavelength allows them to more easily penetrate the structure of buildings
D	VHF signals lose power faster over distance

11. - T3B01

What is the name for the distance a radio wave travels during one complete cycle?

Select	Answer
A	Wave speed
B	Wavelength
C	Wave spread
D	Waveform

12. - T3C04

Which of the following propagation types is most commonly associated with occasional strong over-the-horizon signals on the 10, 6, and 2 meter bands?

Select	Answer
A	D layer absorption
B	Sporadic E
C	Backscatter
D	Gray-line propagation

13. - T4A04

Where must a filter be installed to reduce harmonic emissions from your station?

Select	Answer
A	At the microphone
B	Between the receiver and the transmitter
C	Between the transmitter and the antenna
D	At the station power supply

14. - T4B12

What is the function of automatic gain control or AGC?

Select	Answer
A	To protect an antenna from lightning
B	An asymmetric goniometer control used for antenna matching
C	To keep received audio relatively constant
D	To eliminate RF on the station cabling

15. - T5A02

Electrical power is measured in which of the following units?

Select	Answer
A	Watts
B	Amperes
C	Ohms
D	Volts

16. - T5B01

How many milliamperes is 1.5 amperes?

Select	Answer
A	1,500 milliamperes
B	15 milliamperes
C	15,000 milliamperes
D	150 milliamperes

17. - T5C05

What is the unit of frequency?

Select	Answer
A	Farad
B	Hertz
C	Tesla
D	Henry

18. - T5D08

What is the current flowing through a 100-ohm resistor connected across 200 volts?

Select	Answer
A	100 amperes
B	20,000 amperes
C	0.5 amperes
D	2 amperes

19. - T6A11

Which of the following battery types is not rechargeable?

Select	Answer
A	Carbon-zinc
B	Nickel-cadmium
C	Lead-acid
D	Lithium-ion

20. - T6B07

What does the abbreviation LED stand for?

Select	Answer
A	Low Emission Diode
B	Long Echo Delay
C	Light Emitting Diode
D	Liquid Emission Detector

21. - T6C06

What is component 6 in figure T2?

Select	Answer
A	Capacitor
B	Resistor
C	Regulator IC
D	Transistor

22. - T6D03

What type of switch is represented by component 3 in figure T2?

Select	Answer
A	Single-pole double-throw
B	Double-pole single-throw
C	Double-pole double-throw
D	Single-pole single-throw

23. - T7A11

Where is an RF preamplifier installed?

Select	Answer
A	Between the antenna and receiver
B	Between a transmitter and antenna tuner
C	At the output of the transmitter's power amplifier
D	At the receiver's audio output

24. - T7B05

How can overload of a non-amateur radio or TV receiver by an amateur signal be reduced or eliminated?

Select	Answer
A	Switch the transmitter to a narrow-band mode
B	Block the amateur signal with a filter at the antenna input of the affected receiver
C	Block the interfering signal with a filter on the amateur transmitter
D	Switch the transmitter from FM to SSB

25. - T7C02

Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?

Select	Answer
A	A Q meter
B	An antenna analyzer
C	A frequency counter
D	A VTVM

26. - T7D02

What is the correct way to connect a voltmeter to a circuit?

Select	Answer
A	In quadrature with the circuit
B	In series with the circuit
C	In phase with the circuit
D	In parallel with the circuit

27. - T8A01

Which of the following is a form of amplitude modulation?

Select	Answer
A	Spread-spectrum
B	Single sideband
C	Phase shift keying
D	Packet radio

28. - T8B05

What is a satellite beacon?

Select	Answer
A	A reflective surface on the satellite
B	An indicator light that that shows where to point your antenna
C	The primary transmit antenna on the satellite
D	A transmission from a space station that contains information about a satellite

29. - T8C08

What is required in place of on-air station identification when sending signals to a radio control model using amateur frequencies?

Select	Answer
A	A label indicating the licensees name, call sign and address must be affixed to the transmitter
B	Voice identification must be transmitted every 10 minutes
C	Morse code ID must be sent once per hour
D	A flag must be affixed to the transmitter antenna with the station call sign in 1 inch high letters or larger

30. - T8D08

Which of the following may be included in packet transmissions?

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

31. - T9A08

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

Select	Answer
A	19
B	50
C	12
D	112

32. - T9B01

Why is it important to have a low SWR in an antenna system that uses coaxial cable feed line?

Select	Answer
A	To allow the efficient transfer of power and reduce losses
B	All of these choices are correct
C	To prolong antenna life
D	To reduce television interference

33. - T0A01

Which of the following is a safety hazard of a 12-volt storage battery?

Select	Answer
A	Touching both terminals with the hands can cause electrical shock
B	All of these choices are correct
C	Shorting the terminals can cause burns, fire, or an explosion
D	RF emissions from the battery

34. - T0B01

When should members of a tower work team wear a hard hat and safety glasses?

Select	Answer
A	At all times when any work is being done on the tower
B	At all times except when belted firmly to the tower
C	Only when the tower exceeds 30 feet in height
D	At all times except when climbing the tower

35. - T0C03

What is the maximum power level that an amateur radio station may use at VHF frequencies before an RF exposure evaluation is required?

Select	Answer
A	50 watts PEP reflected power
B	1500 watts PEP transmitter output
C	50 watts PEP at the antenna
D	1 watt forward power

Figure T2