Ham Technician License Practice Quiz


• Percentage: 0%; Correct: 0; Total: 0 of 35

T0A07: Which of these precautions should be taken when installing devices for lightning protection in a coaxial cable feedline?

Include a parallel bypass switch for each protector so that it can be switched out of the circuit when running high power
Include a series switch in the ground line of each protector to prevent RF overload from inadvertently damaging the protector
Keep the ground wires from each protector separate and connected to station ground
Ground all of the protectors to a common plate which is in turn connected to an external ground

T0B01: When should members of a tower work team wear a hard hat and safety glasses?

At all times except when climbing the tower
At all times except when belted firmly to the tower
At all times when any work is being done on the tower
Only when the tower exceeds 30 feet in height

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

T1A05: What is the FCC Part 97 definition of a space station?

Any multi-stage satellite
An Earth satellite that carries one of more amateur operators
An amateur station located less than 25 km above the Earth's surface
An amateur station located more than 50 km above the Earth's surface

T1B08: What do the FCC rules mean when an amateur frequency band is said to be available on a secondary basis?

Secondary users of a frequency have equal rights to operate
Amateurs are only allowed to use the frequency at night
Amateurs may not cause harmful interference to primary users
Secondary users are not allowed on amateur bands

T1C02: Which of the following is a valid US amateur radio station call sign?

KMA3505
W3ABC
KDKA
11Q1176

T1D11: Which of the following types of communications are permitted in the Amateur Radio Service?

Brief transmissions to make station adjustments
Retransmission of entertainment programming from a commercial radio or TV station
Retransmission of entertainment material from a public radio or TV station
Communications on a regular basis that could reasonably be furnished alternatively through other radio services

T1E11: Who does the FCC presume to be the control operator of an amateur station, unless documentation to the contrary is in the station records?

The station custodian
The third party participant
The person operating the station equipment
The station licensee

T1F05: What method of call sign identification is required for a station transmitting phone signals?

Send the call sign followed by the indicator RPT
Send the call sign using CW or phone emission
Send the call sign followed by the indicator R
Send the call sign using only phone emission

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

T2B10: What is the "Q" signal used to indicate that you are receiving interference from other stations?

QRM
QRN
QTH
QSB

T2C01: What set of rules applies to proper operation of your station when using amateur radio at the request of public service officials?

RACES Rules
ARES Rules
FCC Rules
FEMA Rules

T3A01: What should you do if another operator reports that your station's 2 meter signals were strong just a moment ago, but now they are weak or distorted?

Change the batteries in your radio to a different type
Turn on the CTCSS tone
Ask the other operator to adjust his squelch control
Try moving a few feet, as random reflections may be causing multi-path distortion

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

T3C11: Why do VHF and UHF radio signals usually travel somewhat farther than the visual line of sight distance between two stations?

Radio signals move somewhat faster than the speed of light
Radio waves are not blocked by dust particles
The Earth seems less curved to radio waves than to light
Radio waves are blocked by dust particles

T4A04: Where must a filter be installed to reduce harmonic emissions?

Between the transmitter and the antenna
Between the receiver and the transmitter
At the station power supply
At the microphone

T4B07: What does the term "RIT" mean?

Receiver Input Tone
Receiver Incremental Tuning
Rectifier Inverter Test
Remote Input Transmitter

T5A03: What is the name for the flow of electrons in an electric circuit?

Voltage
Resistance
Capacitance
Current

T5B08: How many microfarads are 1,000,000 picofarads?

0.001 microfarads
1 microfarad
1000 microfarads
1,000,000,000 microfarads

T5C01: What is the ability to store energy in an electric field called?

Inductance
Resistance
Tolerance
Capacitance

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)

T6A11: Which battery type is not rechargeable?

Nickel-cadmium
Carbon-zinc
Lead-acid
Lithium-ion

T6B11: Which semiconductor component has a gate electrode?

Bipolar transistor
Field effect transistor
Silicon diode
Bridge rectifier

T6C04: What is component 3 in figure T1?

Resistor
Transistor
Lamp
Ground symbol

T6D07: Which of the following is commonly used as a visual indicator?

LED
FET
Zener diode
Bipolar transistor

T7A04: What circuit is pictured in Figure T7, if block 1 is a frequency discriminator?

A double-conversion receiver
A regenerative receiver
A superheterodyne receiver
An FM receiver

T7B12: What does the acronym "BER" mean when applied to digital communications systems?

Baud Enhancement Recovery
Baud Error Removal
Bit Error Rate
Bit Exponent Resource

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

T7D04: Which instrument is used to measure electric current?

An ohmmeter
A wavemeter
A voltmeter
An ammeter

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

T8B08: What is meant by the statement that a satellite is operating in "mode U/V"?

The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
The satellite uplink is in the 70 cm band and the downlink is in the 2 meter band
The satellite operates using ultraviolet frequencies
The satellite frequencies are usually variable

T8C10: How do you select a specific IRLP node when using a portable transceiver?

Choose a specific CTCSS tone
Choose the correct DSC tone
Access the repeater autopatch
Use the keypad to transmit the IRLP node ID

T8D10: Which of the following can be used to transmit CW in the amateur bands?

Straight Key
Electronic Keyer
Computer Keyboard
All of these choices are correct

T9A07: What is a good reason not to use a "rubber duck" antenna inside your car?

Signals can be significantly weaker than when it is outside of the vehicle
It might cause your radio to overheat
The SWR might decrease, decreasing the signal strength
All of these choices are correct

T9B03: Why is coaxial cable used more often than any other feedline for amateur radio antenna systems?

It is easy to use and requires few special installation considerations
It has less loss than any other type of feedline
It can handle more power than any other type of feedline
It is less expensive than any other types of feedline