Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A01: Which is a commonly accepted value for the lowest voltage that can cause a dangerous electric shock?
T0B10: Which of the following is true concerning grounding conductors used for lightning protection?
Only non-insulated wire must be used
Wires must be carefully routed with precise right-angle bends
Sharp bends must be avoided
Common grounds must be avoided
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
T1A08: Which of the following entities recommends transmit/receive channels and other parameters for auxiliary and repeater stations?
Frequency Spectrum Manager
FCC Regional Field Office
International Telecommunications Union
T1B11: What emission modes are permitted in the mode-restricted sub-bands at 50.0 to 50.1 MHz and 144.0 to 144.1 MHz?
CW and RTTY
CW and SSB
T1C06: From which of the following may an FCC-licensed amateur station transmit, in addition to places where the FCC regulates communications?
From within any country that belongs to the International Telecommunications Union
From within any country that is a member of the United Nations
From anywhere within in ITU Regions 2 and 3
From any vessel or craft located in international waters and documented or registered in the United States
T1D10: What is the meaning of the term broadcasting in the FCC rules for the amateur services?
Two-way transmissions by amateur stations
Transmission of music
Transmission of messages directed only to amateur operators
Transmissions intended for reception by the general public
T1E10: What type of control is used when the control operator is not at the station location but can indirectly manipulate the operating adjustments of a station?
T1F13: When must the station licensee make the station and its records available for FCC inspection?
Any time upon request by an official observer
Any time upon request by an FCC representative
30 days prior to renewal of the station license
10 days before the first transmission
T2A05: What should you transmit when responding to a call of CQ?
CQ followed by the other station's call sign
Your call sign followed by the other station's call sign
The other station's call sign followed by your call sign
A signal report followed by your call sign
T2B10: What is the "Q" signal used to indicate that you are receiving interference from other stations?
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
T3A05: When using a directional antenna, how might your station be able to access a distant repeater if buildings or obstructions are blocking the direct line of sight path?
Change from vertical to horizontal polarization
Try to find a path that reflects signals to the repeater
Try the long path
Increase the antenna SWR
T3B02: What term describes the number of times per second that an alternating current reverses direction?
T3C02: Which of the following might be happening when VHF signals are being received from long distances?
Signals are being reflected from outer space
Signals are arriving by sub-surface ducting
Signals are being reflected by lightning storms in your area
Signals are being refracted from a sporadic E layer
T4A01: Which of the following is true concerning the microphone connectors on amateur transceivers?
All transceivers use the same microphone connector type
Some connectors include push-to-talk and voltages for powering the microphone
All transceivers using the same connector type are wired identically
Un-keyed connectors allow any microphone to be connected
T4B09: Which of the following is an appropriate receive filter to select in order to minimize noise and interference for SSB reception?
T5A06: How much voltage does a mobile transceiver usually require?
About 12 volts
About 30 volts
About 120 volts
About 240 volts
T5B02: What is another way to specify a radio signal frequency of 1,500,000 hertz?
T5C06: What is the abbreviation that refers to radio frequency signals of all types?
T5D11: What is the voltage across a 10-ohm resistor if a current of 1 ampere flows through it?
T6A02: What type of component is often used as an adjustable volume control?
T6B01: What class of electronic components is capable of using a voltage or current signal to control current flow?
T6C10: What is component 3 in figure T3?
T6D10: What is the function of component 2 in Figure T1?
Give off light when current flows through it
Supply electrical energy
Control the flow of current
Convert electrical energy into radio waves
T7A03: What is the function of a mixer in a superheterodyne receiver?
To reject signals outside of the desired passband
To combine signals from several stations together
To shift the incoming signal to an intermediate frequency
To connect the receiver with an auxiliary device, such as a TNC
T7B02: What is meant by fundamental overload in reference to a receiver?
Too much voltage from the power supply
Too much current from the power supply
Interference caused by very strong signals
Interference caused by turning the volume up too high
T7C08: What instrument other than an SWR meter could you use to determine if a feedline and antenna are properly matched?
T7D03: How is an ammeter usually connected to a circuit?
In series with the circuit
In parallel with the circuit
In quadrature with the circuit
In phase with the circuit
T8A10: What is the typical bandwidth of analog fast-scan TV transmissions on the 70 cm band?
More than 10 MHz
About 6 MHz
About 3 MHz
About 1 MHz
T8B10: What do the initials LEO tell you about an amateur satellite?
The satellite battery is in Low Energy Operation mode
The satellite is performing a Lunar Ejection Orbit maneuver
The satellite is in a Low Earth Orbit
The satellite uses Light Emitting Optics
T8C11: What name is given to an amateur radio station that is used to connect other amateur stations to the Internet?
T8D02: What does the term APRS mean?
Automatic Position Reporting System
Associated Public Radio Station
Auto Planning Radio Set-up
Advanced Polar Radio System
T9A05: How would you change a dipole antenna to make it resonant on a higher frequency?
Insert coils in series with radiating wires
Add capacity hats to the ends of the radiating wires
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