KB0MGA.net Practice Ham Radio Exam

KB0MGA.net Practice Exam

Element 2: Technician (EXPIRED)

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1.	What is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?
	A. 120 volts
	B. 12 volts
	C. 300 volts
	D. 30 volts


2.	What is an important consideration when putting up an antenna?
	A. Make sure you discard all packing material in a safe place
	B. Make sure people cannot accidentally come into contact with it
	C. Make sure birds can see it so they don't fly into it
	D. Carefully tune it for a low SWR


3.	What is the maximum power level that an amateur radio station may use at frequencies above 30 MHz before an RF exposure evaluation is required?
	A. 1 watt forward power
	B. 50 watts PEP reflected power
	C. 50 watts PEP at the antenna
	D. 1500 watts PEP transmitter output


4.	What is the definition of an amateur radio station?
	A. A station using equipment for training new broadcast operators and technicians
	B. A station using radio communications for a commercial purpose
	C. A station in a public radio service used for radio communications
	D. A station in an Amateur Radio Service consisting of the apparatus necessary for carrying on radio communications


5.	What numbers are used in US amateur call signs?
	A. A single digit, 1 though 9
	B. Any two-digit number, 22 through 45
	C. Any two-digit number, 10 through 99
	D. A single digit, 0 through 9


6.	Where does a US amateur license allow you to transmit?
	A. From a country that shares a third party agreement with the US
	B. Only from the mailing address printed on your license
	C. From wherever the Amateur Radio Service is regulated by the FCC or where reciprocal agreements are in place
	D. From anywhere in the world


7.	When may the FCC revoke or suspend a license if the mailing address of the holder is not current with the FCC?
	A. If mail is returned to the FCC as undeliverable
	B. When the licensee operates portable at a different address
	C. When the licensee transmits without having updated the address
	D. If the address is not updated within the 2 year grace period


8.	When is the transmission of codes or ciphers allowed to hide the meaning of a message transmitted by an amateur station?
	A. Only when frequencies above 1280 MHz are used
	B. Only during contests
	C. Only when transmitting control commands to space stations or radio control craft
	D. Only when operating mobile


9.	What is the correct way to identify when visiting a station if you hold a higher class license than that of the station licensee and you are using a frequency not authorized to his class of license?
	A. Send his call sign followed by "/KT"
	B. Send your call sign first, followed by his call sign
	C. Send your call sign only, his is not required
	D. Send his call sign first, followed by your call sign


10.	What minimum class of amateur license must you hold to be a control operator of a repeater station?
	A. Technician Plus
	B. Amateur Extra
	C. Technician
	D. General


11.	Why are unlicensed persons in your family not allowed to transmit on your amateur station if you are not there?
	A. They must not use your equipment without your permission
	B. They must be licensed before they are allowed to be control operators
	C. They must know how to use proper procedures and Q signals
	D. They must know the right frequencies and emissions for transmitting


12.	What term describes a brief test transmission that does not include any station identification?
	A. A test emission with no identification required
	B. A non-voice ID transmission
	C. An illegal un-modulated transmission
	D. An illegal unidentified transmission


13.	What is a band plan?
	A. A voluntary guideline, beyond the divisions established by the FCC for using different operating modes within an amateur band
	B. A guideline for operating schedules within an amateur band published by the FCC
	C. A guideline from the FCC for making amateur frequency band allocations
	D. A plan devised by a local group


14.	What type of subjects are not prohibited communications while using amateur radio?
	A. Jokes and stories
	B. Political discussions
	C. All of these answers are correct
	D. Religious preferences


15.	What is the major cause of telephone interference?
	A. The telephone wiring is inadequate
	B. Improper location of the telephone in the home
	C. The telephone was not equipped with adequate interference protection when manufactured.
	D. Tropospheric ducting at UHF frequencies


16.	What is the term used to describe opposition to current flow in ordinary conductors such as wires?
	A. Counter EMF
	B. Inductance
	C. Magnetism
	D. Resistance


17.	How fast does a radio wave travel through space?
	A. Its speed is inversely proportional to its wavelength
	B. Its speed increases as the frequency increases
	C. At the speed of sound
	D. At the speed of light


18.	What is the best way to get the most amount of energy from a battery?
	A. Reverse the leads when the battery reaches the 1/2 charge level
	B. Charge the battery as frequently as possible
	C. Draw current from the battery at the slowest rate needed
	D. Draw current from the battery as rapidly as possible


19.	What is the current flowing through a 24 ohm resistor connected across 240 volts?
	A. 0.1 amperes
	B. 24,000 amperes
	C. 216 amperes
	D. 10 amperes


20.	How can you determine how many watts are being drawn by your transceiver when you are transmitting?
	A. Look in the Radio Amateur's Handbook
	B. Measure the DC voltage and divide it by 60 Hz
	C. Measure the DC voltage at the transceiver and multiply by the current drawn when you transmit
	D. Check the fuse in the power leads to see what size it is


21.	What type of filter should be connected to a TV receiver as the first step in trying to prevent RF overload from a nearby 2-meter transmitter?
	A. Band pass filter
	B. Low-pass filter
	C. Notch filter
	D. High-pass filter


22.	What may happen if a transmitter is operated with the microphone gain set too high?
	A. It may cause the signal to become distorted and unreadable
	B. The SWR will increase
	C. The frequency will vary
	D. The output power will be too high


23.	What is a reason to use simplex instead of a repeater?
	A. When an emergency telephone call is needed
	B. To avoid tying up the repeater when direct contact is possible
	C. When the most reliable communications are needed
	D. When you are traveling and need some local information


24.	What might be the problem if you receive a report that your signal through the repeater is distorted or weak?
	A. Your batteries may be running low
	B. All of these answers are correct
	C. You could be in a bad location
	D. Your transmitter may be slightly off frequency


25.	What is the primary advantage of single sideband over FM for voice transmissions?
	A. SSB signals are easier to tune in than FM signals
	B. SSB signals use much less bandwidth than FM signals
	C. SSB signals have no advantages at all in comparison to other modes.
	D. SSB signals are less likely to be bothered by noise interference than FM signals.


26.	What are you listening to if you hear a brief tone and then a station from Russia calling CQ on a 2-meter repeater?
	A. A prohibited transmission
	B. None of these answers are correct
	C. An ionospheric band opening on VHF
	D. An Internet linked DX station


27.	Which of the following is an example of a digital communications method?
	A. FM voice
	B. Packet radio
	C. Amateur television
	D. Single sideband voice


28.	What is a good thing to have when operating a hand-held transceiver away from home?
	A. One or more fully charged spare battery packs
	B. A dummy load
	C. A selection of spare parts
	D. A programming cable to load new channels


29.	What is Doppler shift?
	A. A change in signal frequency caused by motion through space
	B. A special digital communications mode for some satellites
	C. A change in the satellite orbit
	D. A mode where the satellite receives signals on one band and transmits on another


30.	What type of communications has priority at all times in the Amateur Radio Service?
	A. Third-party communications
	B. Emergency communications
	C. Simplex communications
	D. Repeater communications


31.	When can you use non-amateur frequencies or equipment to call for help in a situation involving immediate danger to life or property?
	A. When you have permission from the owner of the set
	B. When you have permission from a police officer on the scene
	C. In a genuine emergency you may use any means at your disposal to call for help on any frequency
	D. Never; your license only allows you to use the frequencies authorized to your class of license


32.	What is meant by the term "check" in reference to a message?
	A. The check is the value of a money order attached to the message
	B. The check is a list of stations that have relayed the message
	C. The check is a count of the number of words in the message
	D. The check is a box on the message form that tells you the message was received


33.	What is one type of antenna that offers good efficiency when operating mobile and can be easily installed or removed?
	A. A quad antenna
	B. A magnet mount vertical antenna
	C. A traveling wave antenna
	D. A microwave antenna


34.	Why are VHF/UHF signals not normally heard over long distances?
	A. They collide with trees and shrubbery and fade out
	B. They are too weak to go very far
	C. FCC regulations prohibit them from going more than 50 miles
	D. VHF and UHF signals are usually not reflected by the ionosphere


35.	What reading on a SWR meter indicates a perfect impedance match between the antenna and the feed line?
	A. 1 to 1
	B. 2 to 1
	C. 1 to 3
	D. 10 to 1

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