Ham Technician License Practice Quiz
• Percentage: 0%; Correct: 0; Total: 0 of 35
T0A04: What is the purpose of a fuse in an electrical circuit?
To prevent power supply ripple from damaging a circuit
To interrupt power in case of overload
To limit current to prevent shocks
All of these choices are correct
T0B02: What is a good precaution to observe before climbing an antenna tower?
Make sure that you wear a grounded wrist strap
Remove all tower grounding connections
Put on a climbing harness and safety glasses
All of the these choices are correct
T0C01: What type of radiation are VHF and UHF radio signals?
Gamma radiation
Ionizing radiation
Alpha radiation
Non-ionizing radiation
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
T1B01: What is the ITU?
An agency of the United States Department of Telecommunications Management
A United Nations agency for information and communication technology issues
An independent frequency coordination agency
A department of the FCC
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
T1D05: When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade?
When the equipment is normally used in an amateur station and such activity is not conducted on a regular basis
When the asking price is $100.00 or less
When the asking price is less than its appraised value
When the equipment is not the personal property of either the station licensee or the control operator or their close relatives
T1E07: When the control operator is not the station licensee, who is responsible for the proper operation of the station?
All licensed amateurs who are present at the operation
Only the station licensee
Only the control operator
The control operator and the station licensee are equally responsible
T1F09: What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?
Beacon station
Earth station
Repeater station
Message forwarding station
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
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
T3A10: What may occur if VHF or UHF data signals propagate over multiple paths?
Transmission rates can be increased by a factor equal to the number of separate paths observed
Transmission rates must be decreased by a factor equal to the number of separate paths observed
No significant changes will occur if the signals are transmitting using FM
Error rates are likely to increase
T3B02: What term describes the number of times per second that an alternating current reverses direction?
Pulse rate
Speed
Wavelength
Frequency
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
T4A09: Which would you use to reduce RF current flowing on the shield of an audio cable?
Band-pass filter
Low-pass filter
Preamplifier
Ferrite choke
T4B02: Which of the following can be used to enter the operating frequency on a modern transceiver?
The keypad or VFO knob
The CTCSS or DTMF encoder
The Automatic Frequency Control
All of these choices are correct
T5A08: Which of the following is a good electrical insulator?
Copper
Glass
Aluminum
Mercury
T5B04: How many volts are equal to one microvolt?
One one-millionth of a volt
One million volts
One thousand kilovolts
One one-thousandth of a volt
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)
T5D12: What is the voltage across a 10-ohm resistor if a current of 2 amperes flows through it?
8 volts
0.2 volts
12 volts
20 volts
T6A10: What is the nominal voltage of a fully charged nickel-cadmium cell?
1.0 volts
1.2 volts
1.5 volts
2.2 volts
T6B02: What electronic component allows current to flow in only one direction?
Resistor
Fuse
Diode
Driven Element
T6C03: What is component 2 in figure T1?
Resistor
Transistor
Indicator lamp
Connector
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
T7A09: Which of the following devices is most useful for VHF weak-signal communication?
A quarter-wave vertical antenna
A multi-mode VHF transceiver
An omni-directional antenna
A mobile VHF FM transceiver
T7B03: Which of the following may be a cause of radio frequency interference?
Fundamental overload
Harmonics
Spurious emissions
All of these choices are correct
T7C03: What, in general terms, is standing wave ratio (SWR)?
A measure of how well a load is matched to a transmission line
The ratio of high to low impedance in a feedline
The transmitter efficiency ratio
An indication of the quality of your station's ground connection
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
T8A06: Which sideband is normally used for 10 meter HF, VHF and UHF single-sideband communications?
Upper sideband
Lower sideband
Suppressed sideband
Inverted sideband
T8B11: What is a commonly used method of sending signals to and from a digital satellite?
USB AFSK
PSK31
FM Packet
WSJT
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
T8D02: What does the term APRS mean?
Automatic Position Reporting System
Associated Public Radio Station
Auto Planning Radio Set-up
Advanced Polar Radio System
T9A06: What type of antennas are the quad, Yagi, and dish?
Non-resonant antennas
Loop antennas
Directional antennas
Isotropic antennas
T9B07: Which of the following is true of PL-259 type coax connectors?
They are good for UHF frequencies
They are water tight
The are commonly used at HF frequencies
They are a bayonet type connector
