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. - T1A07

What is the FCC Part 97 definition of telemetry?

Select	Answer
A	An information bulletin from a VEC
B	A one-way transmission to initiate, modify or terminate functions of a device at a distance
C	An information bulletin issued by the FCC
D	A one-way transmission of measurements at a distance from the measuring instrument

2. - T1B10

Which of the bands above 30 MHz that are available to Technician Class operators have mode-restricted sub-bands?

Select	Answer
A	The 6 meter, 2 meter, and 1.25 meter bands
B	The 2 meter and 70 cm bands
C	The 6 meter, 2 meter, and 70 cm bands
D	The 2 meter and 13 cm bands

3. - T1C04

When are you allowed to operate your amateur station in a foreign country?

Select	Answer
A	When there is a mutual agreement allowing third party communications
B	When the foreign country authorizes it
C	When you are communicating with non-licensed individuals in another country
D	When authorization permits amateur communications in a foreign language

4. - T1D08

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

Select	Answer
A	When the communication is incidental to classroom instruction at an educational institution
B	When re-broadcasting weather alerts during a RACES net
C	When notifying other amateur operators of the availability for sale or trade of apparatus
D	When engaging in communications on behalf of their employer

5. - T1E11

Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

Select	Answer
A	The third party participant
B	The person operating the station equipment
C	The station custodian
D	The station licensee

6. - T1F08

Which indicator is required by the FCC to be transmitted after a station call sign?

Select	Answer
A	/M when operating mobile
B	/KT, /AE or /AG when using new license privileges earned by CSCE while waiting for an upgrade to a previously issued license to appear in the FCC license database
C	/ followed the FCC Region number when operating out of the region in which the license was issued
D	/R when operating a repeater

7. - T2A10

What is a band plan, beyond the privileges established by the FCC?

Select	Answer
A	A list of scheduled net frequencies
B	A voluntary guideline for using different modes or activities within an amateur band
C	A mandated list of operating schedules
D	A plan devised by a club to indicate frequency band usage

8. - T2B07

What could cause your FM signal to interfere with stations on nearby frequencies?

Select	Answer
A	Microphone gain too high, causing over-deviation
B	All of these choices are correct
C	SWR too high
D	Incorrect CTCSS Tone

9. - T2C05

Which of the following describes the Radio Amateur Civil Emergency Service (RACES)?

Select	Answer
A	All of these choices are correct
B	A radio service using amateur stations for emergency management or civil defense communications
C	An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
D	A radio service using amateur frequencies for emergency management or civil defense communications

10. - T3A07

What type of wave carries radio signals between transmitting and receiving stations?

Select	Answer
A	Magnetostrictive
B	Electrostatic
C	Electromagnetic
D	Surface acoustic

11. - T3B10

What frequency range is referred to as HF?

Select	Answer
A	300 to 3000 MHz
B	30 to 300 MHz
C	3 to 30 MHz
D	300 to 3000 kHz

12. - T3C09

What is generally the best time for long-distance 10 meter band propagation via the F layer?

Select	Answer
A	From dawn to shortly after sunset during periods of low sunspot activity
B	From dawn to shortly after sunset during periods of high sunspot activity
C	From shortly after sunset to dawn during periods of low sunspot activity
D	From shortly after sunset to dawn during periods of high sunspot activity

13. - T4A08

Which type of conductor is best to use for RF grounding?

Select	Answer
A	Round copper-clad steel wire
B	Flat strap
C	Twisted-pair cable
D	Round stranded wire

14. - T4B05

Which of the following would reduce ignition interference to a receiver?

Select	Answer
A	Change frequency slightly
B	Use the RIT control
C	Turn on the noise blanker
D	Decrease the squelch setting

15. - T5A12

What term describes the number of times per second that an alternating current reverses direction?

Select	Answer
A	Wavelength
B	Pulse rate
C	Speed
D	Frequency

16. - T5B08

How many microfarads are 1,000,000 picofarads?

Select	Answer
A	1000 microfarads
B	0.001 microfarads
C	1 microfarad
D	1,000,000,000 microfarads

17. - T5C01

What is the ability to store energy in an electric field called?

Select	Answer
A	Resistance
B	Tolerance
C	Capacitance
D	Inductance

18. - T5D10

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

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

19. - T6A02

What type of component is often used as an adjustable volume control?

Select	Answer
A	Transformer
B	Potentiometer
C	Power resistor
D	Fixed resistor

20. - T6B10

What are the three electrodes of a PNP or NPN transistor?

Select	Answer
A	Emitter, base, and collector
B	Cathode, grid, and plate
C	Cathode, drift cavity, and collector
D	Source, gate, and drain

21. - T6C11

What is component 4 in figure T3?

Select	Answer
A	Ground
B	Antenna
C	Dummy load
D	Transmitter

22. - T6D12

Which of the following is a common reason to use shielded wire?

Select	Answer
A	To increase the current carrying capability of the wire
B	To prevent coupling of unwanted signals to or from the wire
C	To decrease the resistance of DC power connections
D	To couple the wire to other signals

23. - T7A08

Which of the following describes combining speech with an RF carrier signal?-

Select	Answer
A	Modulation
B	Impedance matching
C	Oscillation
D	Low-pass filtering

24. - T7B10

What might be the problem if you receive a report that your audio signal through the repeater is distorted or unintelligible?

Select	Answer
A	All of these choices are correct
B	Your transmitter may be slightly off frequency
C	Your batteries may be running low
D	You could be in a bad location

25. - T7C11

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

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

26. - T7D05

What instrument is used to measure resistance?

Select	Answer
A	An ohmmeter
B	An oscilloscope
C	A noise bridge
D	A spectrum analyzer

27. - T8A07

What is the primary advantage of single sideband over FM for voice transmissions?

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

28. - T8B04

Which amateur stations may make contact with an amateur station on the International Space Station using 2 meter and 70 cm band amateur radio frequencies?

Select	Answer
A	Any amateur holding a Technician or higher class license
B	Only the astronaut's family members who are hams
C	Only members of amateur radio clubs at NASA facilities
D	You cannot talk to the ISS on amateur radio frequencies

29. - T8C04

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

Select	Answer
A	All of these choices are correct
B	Be sure to sign only the last two letters of your call if there is a pileup calling the station
C	Send only the minimum information needed for proper identification and the contest exchange
D	Work the station twice to be sure that you are in his log

30. - T8D10

Which of the following can be used to transmit CW in the amateur bands?

Select	Answer
A	Straight Key
B	Electronic Keyer
C	Computer Keyboard
D	All of these choices are correct

31. - T9A03

Which of the following describes a simple dipole mounted so the conductor is parallel to the Earth's surface?

Select	Answer
A	A vertically polarized antenna
B	A ground wave antenna
C	A horizontally polarized antenna
D	A rhombic antenna

32. - 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	75-ohm flexible coax
D	Air-insulated hard line

33. - T0A10

What can happen if a lead-acid storage battery is charged or discharged too quickly?

Select	Answer
A	The memory effect will reduce the capacity of the battery
B	The voltage can become reversed
C	The battery could overheat and give off flammable gas or explode
D	All of these choices are correct

34. - T0B05

What is the purpose of a gin pole?

Select	Answer
A	To temporarily replace guy wires
B	To provide a temporary ground
C	To be used in place of a safety harness
D	To lift tower sections or antennas

35. - T0C13

If the averaging time for exposure is 6 minutes, how much power density is permitted if the signal is present for 3 minutes and absent for 3 minutes rather than being present for the entire 6 minutes?

Select	Answer
A	1/2 as much
B	3 times as much
C	2 times as much
D	There is no adjustment allowed for shorter exposure times

Figure T3