Manager


Manager - WD4DAT
Manager Notes

Practice Exam - Technician

T1A10 [97.3(a)(38), 97.407]
1. What is the Radio Amateur Civil Emergency Service (RACES)?
A radio service using amateur frequencies for emergency management or civil defense communications
A radio service using amateur stations for emergency management or civil defense communications
An emergency service using amateur operators certified by a civil defense organization as being enrolled in that organization
All these choices are correct

T1B06 [97.301(e), 97.305]
2. On which HF bands does a Technician class operator have phone privileges?
None
10 meter band only
80 meter, 40 meter, 15 meter, and 10 meter bands
30 meter band only

T1C08 [97.25]
3. What is the normal term for an FCC-issued amateur radio license?
Five years
Life
Ten years
Eight years

T1D11 [97.119(a)]
4. When may an amateur station transmit without identifying on the air?
When the transmissions are of a brief nature to make station adjustments
When the transmissions are unmodulated
When the transmitted power level is below 1 watt
When transmitting signals to control model craft

T1E05 [97.3(a)(14)]
5. What is an amateur station’s control point?
The location of the station’s transmitting antenna
The location of the station’s transmitting apparatus
The location at which the control operator function is performed
The mailing address of the station licensee

T1F03 [97.119(a)]
6. When are you required to transmit your assigned call sign?
At the beginning of each contact, and every 10 minutes thereafter
At least once during each transmission
At least every 15 minutes during and at the end of a communication
At least every 10 minutes during and at the end of a communication

T2A02
7. What is the national calling frequency for FM simplex operations in the 2 meter band?
146.520 MHz
145.000 MHz
432.100 MHz
446.000 MHz

T2B10
8. Which Q signal indicates that you are receiving interference from other stations?
QRM
QRN
QTH
QSB

T2C04
9. What is RACES?
An emergency organization combining amateur radio and citizens band operators and frequencies
An international radio experimentation society
A radio contest held in a short period, sometimes called a “sprint”
An FCC part 97 amateur radio service for civil defense communications during national emergencies

T3A03
10. What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?
Right-hand circular
Left-hand circular
Horizontal
Vertical

T3B01
11. What is the relationship between the electric and magnetic fields of an electromagnetic wave?
They travel at different speeds
They are in parallel
They revolve in opposite directions
They are at right angles

T3C11
12. Why is the radio horizon for VHF and UHF signals more distant than the visual horizon?
Radio signals move somewhat faster than the speed of light
Radio waves are not blocked by dust particles
The atmosphere refracts radio waves slightly
Radio waves are blocked by dust particles

T4A08
13. Which of the following conductors is preferred for bonding at RF?
Copper braid removed from coaxial cable
Steel wire
Twisted-pair cable
Flat copper strap

T4B10
14. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?
500 Hz
1000 Hz
2400 Hz
5000 Hz

T5A07
15. Why are metals generally good conductors of electricity?
They have relatively high density
They have many free electrons
They have many free protons
All these choices are correct

T5B08
16. Which is equal to 1,000,000 picofarads?
0.001 microfarads
1 microfarad
1000 microfarads
1,000,000,000 microfarads

T5C07
17. What is the abbreviation for megahertz?
MH
mh
Mhz
MHz

T5D04
18. What is the resistance of a circuit in which a current of 3 amperes flows when connected to 90 volts?
3 ohms
30 ohms
93 ohms
270 ohms

T6A07
19. What electrical component is typically constructed as a coil of wire?
Switch
Capacitor
Diode
Inductor

T6B12
20. What are the names of the electrodes of a bipolar junction transistor?
Signal, bias, power
Emitter, base, collector
Input, output, supply
Pole one, pole two, output

T6C02
21. What is component 1 in figure T-1?
Resistor
Transistor
Battery
Connector

T6D11
22. Which of the following is a resonant or tuned circuit?
An inductor and a capacitor in series or parallel
A linear voltage regulator
A resistor circuit used for reducing standing wave ratio
A circuit designed to provide high-fidelity audio

T7A11
23. Where is an RF preamplifier installed?
Between the antenna and receiver
At the output of the transmitter power amplifier
Between the transmitter and the antenna tuner
At the output of the receiver audio amplifier

T7B11
24. What is a symptom of RF feedback in a transmitter or transceiver?
Excessive SWR at the antenna connection
The transmitter will not stay on the desired frequency
Reports of garbled, distorted, or unintelligible voice transmissions
Frequent blowing of power supply fuses

T7C05
25. Why do most solid-state transmitters reduce output power as SWR increases beyond a certain level?
To protect the output amplifier transistors
To comply with FCC rules on spectral purity
Because power supplies cannot supply enough current at high SWR
To lower the SWR on the transmission line

T7D08
26. Which of the following types of solder should not be used for radio and electronic applications?
Acid-core solder
Lead-tin solder
Rosin-core solder
Tin-copper solder

T8A11
27. What is the approximate bandwidth required to transmit a CW signal?
2.4 kHz
150 Hz
1000 Hz
15 kHz

T8B11
28. Who may receive telemetry from a space station?
Anyone
A licensed radio amateur with a transmitter equipped for interrogating the satellite
A licensed radio amateur who has been certified by the protocol developer
A licensed radio amateur who has registered for an access code from AMSAT

T8C11
29. What is an amateur radio station that connects other amateur stations to the internet?
A gateway
A repeater
A digipeater
A beacon

T8D02
30. What is a “talkgroup” on a DMR repeater?
A group of operators sharing common interests
A way for groups of users to share a channel at different times without hearing other users on the channel
A protocol that increases the signal-to-noise ratio when multiple repeaters are linked together
A net that meets at a specified time

T9A11
31. What is antenna gain?
The additional power that is added to the transmitter power
The additional power that is required in the antenna when transmitting on a higher frequency
The increase in signal strength in a specified direction compared to a reference antenna
The increase in impedance on receive or transmit compared to a reference antenna

T9B04
32. What is the major function of an antenna tuner (antenna coupler)?
It matches the antenna system impedance to the transceiver's output impedance
It helps a receiver automatically tune in weak stations
It allows an antenna to be used on both transmit and receive
It automatically selects the proper antenna for the frequency band being used

T0A06
33. What is a good way to guard against electrical shock at your station?
Use three-wire cords and plugs for all AC powered equipment
Connect all AC powered station equipment to a common safety ground
Install mechanical interlocks in high-voltage circuits
All these choices are correct

T0B02
34. What is required when climbing an antenna tower?
Have sufficient training on safe tower climbing techniques
Use appropriate tie-off to the tower at all times
Always wear an approved climbing harness
All these choices are correct

T0C10
35. Why is duty cycle one of the factors used to determine safe RF radiation exposure levels?
It affects the average exposure to radiation
It affects the peak exposure to radiation
It takes into account the antenna feed line loss
It takes into account the thermal effects of the final amplifier