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?
12 volts
30 volts
120 volts
300 volts
T0B09: Why should you avoid attaching an antenna to a utility pole?
The antenna will not work properly because of induced voltages
The utility company will charge you an extra monthly fee
The antenna could contact high-voltage power wires
All of these choices are correct
T0C02: Which of the following frequencies has the lowest Maximum Permissible Exposure limit?
3.5 MHz
50 MHz
440 MHz
1296 MHz
T1A03: Which part of the FCC rules contains the rules and regulations governing the Amateur Radio Service?
Part 73
Part 95
Part 90
Part 97
T1B04: Which amateur band are you using when your station is transmitting on 146.52 MHz?
2 meter band
20 meter band
14 meter band
6 meter band
T1C02: Which of the following is a valid US amateur radio station call sign?
KMA3505
W3ABC
KDKA
11Q1176
T1D07: When is an amateur station authorized to automatically retransmit the radio signals of other amateur stations?
When the signals are from an auxiliary, beacon, or Earth station
When the signals are from an auxiliary, repeater, or space station
When the signals are from a beacon, repeater, or space station
When the signals are from an Earth, repeater, or space station
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
T1F10: Who is accountable should a repeater inadvertently retransmit communications that violate the FCC rules?
The control operator of the originating station
The control operator of the repeater
The owner of the repeater
Both the originating station and the repeater owner
T2A08: What is the meaning of the procedural signal "CQ"?
Call on the quarter hour
A new antenna is being tested (no station should answer)
Only the called station should transmit
Calling any station
T2B08: What is the proper course of action if your station's transmission unintentionally interferes with another station?
Rotate your antenna slightly
Properly identify your transmission and move to a different frequency
Increase power
Change antenna polarization
T2C05: What is the Radio Amateur Civil Emergency Service?
An emergency radio service organized by amateur operators
A radio service using amateur stations for emergency management or civil defense communications
A radio service organized to provide communications at civic events
A radio service organized by amateur operators to assist non-military persons
T3A06: What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting?
Flip-flopping
Picket fencing
Frequency shifting
Pulsing
T3B04: How fast does a radio wave travel through free space?
At the speed of light
At the speed of sound
Its speed is inversely proportional to its wavelength
Its speed increases as the frequency increases
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
T4B05: Which of the following would reduce ignition interference to a receiver?
Change frequency slightly
Decrease the squelch setting
Turn on the noise blanker
Use the RIT control
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
T5C02: What is the basic unit of capacitance?
The farad
The ohm
The volt
The henry
T5D01: What formula is used to calculate current in a circuit?
Current (I) equals voltage (E) multiplied by resistance (R)
Current (I) equals voltage (E) divided by resistance (R)
Current (I) equals voltage (E) added to resistance (R)
Current (I) equals voltage (E) minus resistance (R)
T6A01: What electrical component is used to oppose the flow of current in a DC circuit?
Inductor
Resistor
Voltmeter
Transformer
T6B08: What does the abbreviation "FET" stand for?
Field Effect Transistor
Fast Electron Transistor
Free Electron Transition
Field Emission Thickness
T6C09: What is component 4 in figure T2?
Variable inductor
Double-pole switch
Potentiometer
Transformer
T6D01: Which of the following devices or circuits changes an alternating current into a varying direct current signal?
Transformer
Rectifier
Amplifier
Reflector
T7A13: Where is an RF preamplifier installed?
Between the antenna and receiver
At the output of the transmitter's power amplifier
Between a transmitter and antenna tuner
At the receiver's audio output
T7B08: What should you do if a "Part 15" device in your neighbor's home is causing harmful interference to your amateur station?
Work with your neighbor to identify the offending device
Politely inform your neighbor about the rules that require him to stop using the device if it causes interference
Check your station and make sure it meets the standards of good amateur practice
All of these choices are correct
T7C01: What is the primary purpose of a dummy load?
To prevent the radiation of signals when making tests
To prevent over-modulation of your transmitter
To improve the radiation from your antenna
To improve the signal to noise ratio of your receiver
T7D11: Which of the following precautions should be taken when measuring circuit resistance with an ohmmeter?
Ensure that the applied voltages are correct
Ensure that the circuit is not powered
Ensure that the circuit is grounded
Ensure that the circuit is operating at the correct frequency
T8A03: Which type of voice modulation is most often used for long-distance or weak signal contacts on the VHF and UHF bands?
FM
AM
SSB
PM
T8B11: What is a commonly used method of sending signals to and from a digital satellite?
USB AFSK
PSK31
FM Packet
WSJT
T8C01: Which of the following methods is used to locate sources of noise interference or jamming?
Echolocation
Doppler radar
Radio direction finding
Phase locking
T8D01: Which of the following is an example of a digital communications method?
Packet
PSK31
MFSK
All of these choices are correct
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
T9B06: Which of the following connectors is most suitable for frequencies above 400 MHz?
A UHF (PL-259/SO-239) connector
A Type N connector
An RS-213 connector
A DB-23 connector
