Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A10: What can happen if a lead-acid storage battery is charged or discharged too quickly?
The battery could overheat and give off flammable gas or explode
The voltage can become reversed
The 'memory effect' will reduce the capacity of the battery
All of these choices are correct
T0B11: Which of the following establishes grounding requirements for an amateur radio tower or antenna?
FCC Part 97 Rules
Local electrical codes
FAA tower lighting regulations
Underwriters Laboratories' recommended practices
T0C10: Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?
It affects the average exposure of people to radiation
It affects the peak exposure of people to radiation
It takes into account the antenna feedline loss
It takes into account the thermal effects of the final amplifier
T1A09: Who selects a Frequency Coordinator?
The FCC Office of Spectrum Management and Coordination Policy
The local chapter of the Office of National Council of Independent Frequency Coordinators
Amateur operators in a local or regional area whose stations are eligible to be auxiliary or repeater stations
FCC Regional Field Office
T1B09: Why should you not set your transmit frequency to be exactly at the edge of an amateur band or sub-band?
To allow for calibration error in the transmitter frequency display
So that modulation sidebands do not extend beyond the band edge
To allow for transmitter frequency drift
All of these choices are correct
T1C04: When are you allowed to operate your amateur station in a foreign country?
When the foreign country authorizes it
When there is a mutual agreement allowing third party communications
When authorization permits amateur communications in a foreign language
When you are communicating with non-licensed individuals in another country
T1D04: What is the only time an amateur station is authorized to transmit music?
When incidental to an authorized retransmission of manned spacecraft communications
When the music produces no spurious emissions
When the purpose is to interfere with an illegal transmission
When the music is transmitted above 1280 MHz
T1E01: When must an amateur station have a control operator?
Only when the station is transmitting
Only when the station is being locally controlled
Only when the station is being remotely controlled
Only when the station is being automatically controlled
T1F07: Which of the following restrictions apply when appending a self-assigned call sign indicator?
It must be more than three letters and less than five letters
It must be less than five letters
It must start with the letters AA through AL, K, N, or W and be not less than two characters or more than five characters in length
It must not conflict with any other indicator specified by the FCC rules or with any call sign prefix assigned to another country
T2A11: What are the FCC rules regarding power levels used in the amateur bands?
Always use the maximum power allowed to ensure that you complete the contact
An amateur may use no more than 200 watts PEP to make an amateur contact
An amateur may use up to 1500 watts PEP on any amateur frequency
An amateur must use the minimum transmitter power necessary to carry out the desired communication
T2B09: Which of the following methods is encouraged by the FCC when identifying your station when using phone?
Use of a phonetic alphabet
Send your call sign in CW as well as voice
Repeat your call sign three times
Increase your signal to full power when identifying
T2C09: When may an amateur station use any means of radio communications at its disposal for essential communications in connection with immediate safety of human life and protection of property?
Only when FEMA authorizes it by declaring an emergency
When normal communications systems are not available
Only when RACES authorizes it by declaring an emergency
Only when authorized by the local MARS program director
T3A09: Which of the following is a common effect of "skip" reflections between the Earth and the ionosphere?
The sidebands become reversed at each reflection
The polarization of the original signal is randomized
The apparent frequency of the received signal is shifted by a random amount
Signals at frequencies above 30 MHz become stronger with each reflection
T3B11: What is the approximate velocity of a radio wave as it travels through free space?
3000 kilometers per second
300,000,000 meters per second
300,000 miles per hour
186,000 miles per hour
T3C07: What band is best suited to communicating via meteor scatter?
T4A08: Which type of conductor is best to use for RF grounding?
Round stranded wire
Round copper-clad steel wire
T4B10: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for CW reception?
T5A11: What is the basic unit of electromotive force?
T5B08: How many microfarads are 1,000,000 picofarads?
T5C08: What is the formula used to calculate electrical power in a DC circuit?
Power (P) equals voltage (E) multiplied by current (I)
Power (P) equals voltage (E) divided by current (I)
Power (P) equals voltage (E) minus current (I)
Power (P) equals voltage (E) plus current (I)
T5D11: What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?
T6A04: What electrical component stores energy in an electric field?
T6B01: What class of electronic components is capable of using a voltage or current signal to control current flow?
T6C06: What is component 6 in figure T2?
T6D11: Which of the following is a common use of coaxial cable?
Carry dc power from a vehicle battery to a mobile radio
Carry RF signals between a radio and antenna
Secure masts, tubing, and other cylindrical objects on towers
Connect data signals from a TNC to a computer
T7A06: What device takes the output of a low-powered 28 MHz SSB exciter and produces a 222 MHz output signal?
T7B07: Which of the following may be useful in correcting a radio frequency interference problem?
Snap-on ferrite chokes
Low-pass and high-pass filters
Band-reject and band-pass filters
All of these choices are correct
T7C02: Which of the following instruments can be used to determine if an antenna is resonant at the desired operating frequency?
An antenna analyzer
A "Q" meter
A frequency counter
T7D09: What is the characteristic appearance of a "cold" solder joint?
Dark black spots
A bright or shiny surface
A grainy or dull surface
A greenish tint
T8A02: What type of modulation is most commonly used for VHF packet radio transmissions?
T8B02: How much transmitter power should be used on the uplink frequency of an amateur satellite or space station?
The maximum power of your transmitter
The minimum amount of power needed to complete the contact
No more than half the rating of your linear amplifier
Never more than 1 watt
T8C07: What is the maximum power allowed when transmitting telecommand signals to radio controlled models?
T8D02: What does the term APRS mean?
Automatic Position Reporting System
Associated Public Radio Station
Auto Planning Radio Set-up
Advanced Polar Radio System
T9A11: What is meant by the gain of an antenna?
The additional power that is added to the transmitter power
The additional power that is lost in the antenna when transmitting on a higher frequency
The increase in signal strength in a specified direction when compared to a reference antenna
The increase in impedance on receive or transmit compared to a reference antenna
T9B04: What does an antenna tuner do?
It matches the antenna system impedance to the transceiver's output impedance
It helps a receiver automatically tune in weak stations
It allows an antenna to be used on both transmit and receive
It automatically selects the proper antenna for the frequency band being used