Practice Exam

T5C08

1. What is the formula used to calculate electrical power (P) in a DC circuit?

• A. P = E + I
• B. P = E * I
• C. P = E - I
• D. P = E / I

T6B12

2. What are the names of the electrodes of a bipolar junction transistor?

• A. Emitter, base, collector
• B. Signal, bias, power
• C. Input, output, supply
• D. Pole one, pole two, output

T3A10

3. What effect does multi-path propagation have on data transmissions?

• A. Transmission rates must be decreased by a factor equal to the number of separate paths observed
• B. No significant changes will occur if the signals are transmitted using FM
• C. Transmission rates must be increased by a factor equal to the number of separate paths observed
• D. Error rates are likely to increase

T1C04

4. What may happen if the FCC is unable to reach you by email?

• A. Fine and suspension of operator license
• B. Nothing; there is no such requirement
• C. Revocation of the station license or suspension of the operator license
• D. Revocation of access to the license record in the FCC system

T6D10

5. What is the function of component 2 in figure T-1?

• A. Supply electrical energy
• B. Give off light when current flows through it
• C. Convert electrical energy into radio waves
• D. Control the flow of current

T7D02

6. How is a voltmeter connected to a component to measure applied voltage?

• A. In parallel
• B. In quadrature
• C. In series
• D. In phase

T5D09

7. What is the current through a 24-ohm resistor connected across 240 volts?

• A. 0.1 amperes
• B. 216 amperes
• C. 10 amperes
• D. 24,000 amperes

T8B08

8. What is meant by the statement that a satellite is operating in U/V mode?

• A. The satellite uplink is in the 15 meter band and the downlink is in the 10 meter band
• B. The satellite uplink is in the 70 centimeter band and the downlink is in the 2 meter band
• C. The satellite operates using ultraviolet frequencies
• D. The satellite frequencies are usually variable

T6C04

9. What is component 3 in figure T-1?

• A. Lamp
• B. Ground symbol
• C. Transistor
• D. Resistor

T9B08

10. Which of the following is a source of loss in coaxial feed line?

• A. Water intrusion into coaxial connectors
• B. High SWR
• C. Multiple connectors in the line
• D. All these choices are correct

T3C02

11. What is a characteristic of HF communication compared with communications on VHF and higher frequencies?

• A. HF accommodates wider bandwidth signals
• B. Long-distance ionospheric propagation is far more common on HF
• C. HF antennas are generally smaller
• D. There is less atmospheric interference (static) on HF

T8D10

12. Which of the following operating activities is supported by digital mode software in the WSJT-X software suite?

• A. Weak signal propagation beacons
• B. Meteor scatter
• C. All these choices are correct
• D. Earth-Moon-Earth

T0B03

13. Under what circumstances is it safe to climb a tower without a helper or observer?

• A. When the work being done is not more than 20 feet above the ground
• B. When no electrical work is being performed
• C. When no mechanical work is being performed
• D. Never

T6A10

14. Which of the following battery chemistries is rechargeable?

• A. Nickel-metal hydride
• B. All these choices are correct
• C. Lead-acid
• D. Lithium-ion

T8C06

15. How is over the air access to IRLP nodes accomplished?

• A. By entering the proper internet password
• B. By using CTCSS tone codes
• C. By obtaining a password that is sent via voice to the node
• D. By using DTMF signals

T3B07

16. In addition to frequency, which of the following is used to identify amateur radio bands?

• A. Channel numbers
• B. The approximate wavelength in meters
• C. Traditional letter/number designators
• D. All these choices are correct

T7C01

17. What is the primary purpose of a dummy load?

• A. To prevent transmitting signals over the air when making tests
• B. To improve the efficiency of an antenna
• C. To prevent over-modulation of a transmitter
• D. To improve the signal-to-noise ratio of a receiver

T9A11

18. What is antenna gain?

• A. The increase in impedance on receive or transmit compared to a reference antenna
• B. The additional power that is required in the antenna when transmitting on a higher frequency
• C. The increase in signal strength in a specified direction compared to a reference antenna
• D. The additional power that is added to the transmitter power

T0A08

19. Where should a fuse or circuit breaker be installed in a 120V AC power circuit?

• A. In series with the hot conductor only
• B. In series with the hot and neutral conductors
• C. In parallel with the hot and neutral conductors
• D. In parallel with the hot conductor only

T0C04

20. What factors affect the RF exposure of people near an amateur station antenna?

• A. Distance from the antenna to a person
• B. All these choices are correct
• C. Frequency and power level of the RF field
• D. Radiation pattern of the antenna

T2C08

21. Which of the following is a characteristic of good traffic handling?

• A. All these choices are correct
• B. Ensuring that any newsworthy messages are relayed to the news media
• C. Passing messages exactly as received
• D. Making decisions as to whether messages are worthy of relay or delivery

T1D09

22. When may amateur stations transmit information in support of broadcasting, program production, or news gathering, assuming no other means is available?

• A. When broadcasting communications to or from the space shuttle
• B. When such communications are directly related to the immediate safety of human life or protection of property
• C. Where noncommercial programming is gathered and supplied exclusively to the National Public Radio network
• D. Never

T1F09

23. What type of amateur station simultaneously retransmits the signal of another amateur station on a different channel or channels?

• A. Repeater station
• B. Beacon station
• C. Earth station
• D. Message forwarding station

T4B09

24. How is a specific group of stations selected on a digital voice transceiver?

• A. By retrieving the frequencies from transceiver memory
• B. By activating automatic identification
• C. By entering the group's identification code
• D. By enabling the group's CTCSS tone

T2A04

25. What is an appropriate way to call another station on a repeater if you know the other station's call sign?

• A. Say "CQ" three times, then the other station's call sign
• B. Wait for the station to call CQ, then answer
• C. Say "break, break," then say the station's call sign
• D. Say the station's call sign, then identify with your call sign

T4A08

26. Which of the following conductors is preferred for bonding at RF?

• A. Copper braid removed from coaxial cable
• B. Flat copper strap
• C. Twisted-pair cable
• D. Steel wire

T1A06

27. What is the FCC Part 97 definition of a beacon?

• A. A continuous transmission of weather information authorized in the amateur bands by the National Weather Service
• B. A bulletin sent by the FCC to announce a national emergency
• C. A government transmitter marking the amateur radio band edges
• D. An amateur station transmitting communications for the purposes of observing propagation or related experimental activities

T5B05

28. Which is equal to 500 milliwatts?

• A. 50 watts
• B. 5 watts
• C. 0.02 watts
• D. 0.5 watts

T1E05

29. What is an amateur station's control point?

• A. The location of the station's transmitting antenna
• B. The location at which the control operator function is performed
• C. The location of the station's transmitting apparatus
• D. The mailing address of the station licensee

T2B01

30. How is a VHF/UHF transceiver's "reverse" function used?

• A. To listen on a repeater's output frequency
• B. To increase power output
• C. To listen on a repeater's input frequency
• D. To reduce power output

T5A04

31. What are the units of electrical resistance?

• A. Mhos
• B. Coulombs
• C. Ohms
• D. Siemens

T7B10

32. What might be a problem if you receive a report that your audio signal through an FM repeater is distorted or unintelligible?

• A. Your transmitter is slightly off frequency
• B. Your batteries are running low
• C. All these choices are correct
• D. You are in a bad location

T8A05

33. Which of the following types of signal has the narrowest bandwidth?

• A. FM voice
• B. SSB voice
• C. Slow-scan TV
• D. CW

T7A01

34. Which term describes the ability of a receiver to detect the presence of a signal?

• A. Linearity
• B. Sensitivity
• C. Selectivity
• D. Total Harmonic Distortion

T1B10

35. Where may SSB phone be used in amateur bands above 50 MHz?

• A. In at least some segment of all these bands
• B. Only on repeaters
• C. Only in sub-bands allocated to General class or higher licensees
• D. On any band if the power is limited to 25 watts