Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A12: What kind of hazard might exist in a power supply when it is turned off and disconnected?
Static electricity could damage the grounding system
Circulating currents inside the transformer might cause damage
The fuse might blow if you remove the cover
You might receive an electric shock from stored charge in large capacitors
T0B05: What is the purpose of a gin pole?
To temporarily replace guy wires
To be used in place of a safety harness
To lift tower sections or antennas
To provide a temporary ground
T0C08: Which of the following actions might amateur operators take to prevent exposure to RF radiation in excess of FCC-supplied limits?
Relocate antennas
Relocate the transmitter
Increase the duty cycle
All of these choices are correct
T1A01: For whom is the Amateur Radio Service intended?
Persons who have messages to broadcast to the public
Persons who need communications for the activities of their immediate family members, relatives and friends
Persons who need two-way communications for personal reasons
Persons who are interested in radio technique solely with a personal aim and without pecuniary interest
T1B06: Which 23 cm frequency is authorized to a Technician Class operator license?
2315 MHz
1296 MHz
3390 MHz
146.52 MHz
T1C10: How soon may you operate a transmitter on an amateur service frequency after you pass the examination required for your first amateur radio license?
Immediately
30 days after the test date
As soon as your name and call sign appear in the FCC's ULS database
You must wait until you receive your license in the mail from the FCC
T1D08: When may the control operator of an amateur station receive compensation for operating the station?
When engaging in communications on behalf of their employer
When the communication is incidental to classroom instruction at an educational institution
When re-broadcasting weather alerts during a RACES net
When notifying other amateur operators of the availability for sale or trade of apparatus
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
T2A09: What brief statement is often used in place of "CQ" to indicate that you are listening on a repeater?
Say "Hello test" followed by your call sign
Say your call sign
Say the repeater call sign followed by your call sign
Say the letters "QSY" followed by your call sign
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
T2C07: What should you do to minimize disruptions to an emergency traffic net once you have checked in?
Whenever the net frequency is quiet, announce your call sign and location
Move 5 kHz away from the net's frequency and use high power to ask other hams to keep clear of the net frequency
Do not transmit on the net frequency until asked to do so by the net control station
Wait until the net frequency is quiet, then ask for any emergency traffic for your area
T3A11: Which part of the atmosphere enables the propagation of radio signals around the world?
The stratosphere
The troposphere
The ionosphere
The magnetosphere
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
T3C03: What is a characteristic of VHF signals received via auroral reflection?
Signals from distances of 10,000 or more miles are common
The signals exhibit rapid fluctuations of strength and often sound distorted
These types of signals occur only during winter nighttime hours
These types of signals are generally strongest when your antenna is aimed to the south (for stations in the Northern Hemisphere)
T4A06: Which of the following would be connected between a transceiver and computer in a packet radio station?
Transmatch
Mixer
Terminal node controller
Antenna
T4B07: What does the term "RIT" mean?
Receiver Input Tone
Receiver Incremental Tuning
Rectifier Inverter Test
Remote Input Transmitter
T5A09: What is the name for a current that reverses direction on a regular basis?
Alternating current
Direct current
Circular current
Vertical current
T5B08: How many microfarads are 1,000,000 picofarads?
0.001 microfarads
1 microfarad
1000 microfarads
1,000,000,000 microfarads
T5C11: How many amperes are flowing in a circuit when the applied voltage is 12 volts DC and the load is 120 watts?
0.1 amperes
10 amperes
12 amperes
132 amperes
T5D03: What formula is used to calculate resistance in a circuit?
Resistance (R) equals voltage (E) multiplied by current (I)
Resistance (R) equals voltage (E) divided by current (I)
Resistance (R) equals voltage (E) added to current (I)
Resistance (R) equals voltage (E) minus current (I)
T6A05: What type of electrical component consists of two or more conductive surfaces separated by an insulator?
Resistor
Potentiometer
Oscillator
Capacitor
T6B04: Which of these components is made of three layers of semiconductor material?
Alternator
Bipolar junction transistor
Triode
Pentagrid converter
T6C05: What is component 4 in figure T1?
Resistor
Transistor
Battery
Ground symbol
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
T7A08: Which of the following circuits combines a speech signal and an RF carrier?
Beat frequency oscillator
Discriminator
Modulator
Noise blanker
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
T7C09: Which of the following is the most common cause for failure of coaxial cables?
Moisture contamination
Gamma rays
The velocity factor exceeds 1.0
Overloading
T7D02: What is the correct way to connect a voltmeter to a circuit?
In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit
T8A02: What type of modulation is most commonly used for VHF packet radio transmissions?
FM
SSB
AM
Spread Spectrum
T8B05: What is a satellite beacon?
The primary transmit antenna on the satellite
An indicator light that that shows where to point your antenna
A reflective surface on the satellite
A transmission from a space station that contains information about a satellite
T8C04: Which of the following is good procedure when contacting another station in a radio contest?
Be sure to sign only the last two letters of your call if there is a pileup calling the station
Work the station twice to be sure that you are in his log
Send only the minimum information needed for proper identification and the contest exchange
All of these choices are correct
T8D11: What is a "parity" bit?
A control code required for automatic position reporting
A timing bit used to ensure equal sharing of a frequency
An extra code element used to detect errors in received data
A "triple width" bit used to signal the end of a character
T9A04: What is a disadvantage of the "rubber duck" antenna supplied with most handheld radio transceivers?
It does not transmit or receive as effectively as a full-sized antenna
It transmits a circularly polarized signal
If the rubber end cap is lost it will unravel very quickly
All of these choices are correct
T9B01: Why is it important to have a low SWR in an antenna system that uses coaxial cable feedline?
To reduce television interference
To allow the efficient transfer of power and reduce losses
To prolong antenna life
All of these choices are correct
