Practice Exam

T4B10

1. Which of the following receiver filter bandwidths provides the best signal-to-noise ratio for SSB reception?

• A. 500 Hz
• B. 5000 Hz
• C. 2400 Hz
• D. 1000 Hz

T9B03

2. Why is coaxial cable the most common feed line for amateur radio antenna systems?

• A. It can handle more power than any other type of feed line
• B. It has less loss than any other type of feed line
• C. It is less expensive than any other type of feed line
• D. It is easy to use and requires few special installation considerations

T8D04

3. What type of transmission is indicated by the term "NTSC?"

• A. An analog fast-scan color TV signal
• B. A special mode for satellite uplink
• C. A frame compression scheme for TV signals
• D. A Normal Transmission mode in Static Circuit

T5A09

4. Which of the following describes alternating current?

• A. Current that alternates between a negative direction and zero
• B. Current that alternates between a positive direction and zero
• C. Current that alternates between positive and negative directions
• D. All these answers are correct

T8B06

5. Which of the following are inputs to a satellite tracking program?

• A. All these choices are correct
• B. The satellite transmitted power
• C. The last observed time of zero Doppler shift
• D. The Keplerian elements

T3A03

6. What antenna polarization is normally used for long-distance CW and SSB contacts on the VHF and UHF bands?

• A. Horizontal
• B. Left-hand circular
• C. Vertical
• D. Right-hand circular

T6C12

7. Which of the following is accurately represented in electrical schematics?

• A. Component connections
• B. Wire lengths
• C. Physical appearance of components
• D. All these choices are correct

T1B05

8. How may amateurs use the 219 to 220 MHz segment of 1.25 meter band?

• A. Fast-scan television only
• B. Fixed digital message forwarding systems only
• C. Spread spectrum only
• D. Emergency traffic only

T7C10

9. Why should the outer jacket of coaxial cable be resistant to ultraviolet light?

• A. Ultraviolet resistant jackets prevent harmonic radiation
• B. Ultraviolet light can increase losses in the cable's jacket
• C. Ultraviolet light can damage the jacket and allow water to enter the cable
• D. Ultraviolet and RF signals can mix, causing interference

T1F02

10. How often must you identify with your FCC-assigned call sign when using tactical call signs such as "Race Headquarters"?

• A. At the end of each communication and every ten minutes during a communication
• B. Never, the tactical call is sufficient
• C. Once during every hour
• D. At the end of every transmission

T5C08

11. 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

T2A08

12. What is the meaning of the procedural signal "CQ"?

• A. Calling any station
• B. Only the called station should transmit
• C. Test transmission, no reply expected
• D. Call on the quarter hour

T3C05

13. Which of the following effects may allow radio signals to travel beyond obstructions between the transmitting and receiving stations?

• A. Doppler shift
• B. Quantum tunneling
• C. Knife-edge diffraction
• D. Faraday rotation

T6D08

14. Which of the following is combined with an inductor to make a resonant circuit?

• A. Potentiometer
• B. Resistor
• C. Zener diode
• D. Capacitor

T2C09

15. Are amateur station control operators ever permitted to operate outside the frequency privileges of their license class?

• A. Yes, but only in situations involving the immediate safety of human life or protection of property
• B. Yes, but only when part of a RACES emergency plan
• C. No
• D. Yes, but only when part of a FEMA emergency plan

T0B07

16. Which of the following is an important safety rule to remember when using a crank-up tower?

• A. This type of tower must never be grounded
• B. This type of tower must not be climbed unless it is retracted, or mechanical safety locking devices have been installed
• C. All these choices are correct
• D. This type of tower must never be painted

T1D08

17. In which of the following circumstances may the control operator of an amateur station receive compensation for operating that station?

• A. All these choices are correct
• B. When the communication is related to the sale of amateur equipment by the control operator's employer
• C. When the communication is made to obtain emergency information for a local broadcast station
• D. When the communication is incidental to classroom instruction at an educational institution

T6A03

18. What electrical parameter is controlled by a potentiometer?

• A. Capacitance
• B. Field strength
• C. Inductance
• D. Resistance

T5B04

19. Which is equal to one microvolt?

• A. One one-millionth of a volt
• B. One thousand kilovolts
• C. One one-thousandth of a volt
• D. One million volts

T7A04

20. Which term describes the ability of a receiver to discriminate between multiple signals?

• A. Discrimination ratio
• B. Sensitivity
• C. Selectivity
• D. Harmonic distortion

T2B04

21. Which of the following could be the reason you are unable to access a repeater whose output you can hear?

• A. Improper transceiver offset
• B. All these choices are correct
• C. You are using the wrong CTCSS tone
• D. You are using the wrong DCS code

T6B09

22. What are the names for the electrodes of a diode?

• A. Gate and base
• B. Plus and minus
• C. Anode and cathode
• D. Source and drain

T0A08

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

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

T8A05

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

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

T8C06

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

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

T0C05

26. Why do exposure limits vary with frequency?

• A. Lower frequency RF fields do not penetrate the human body
• B. Lower frequency RF fields have more energy than higher frequency fields
• C. The human body absorbs more RF energy at some frequencies than at others
• D. Higher frequency RF fields are transient in nature

T3B05

27. What is the relationship between wavelength and frequency?

• A. Wavelength and frequency are unrelated
• B. Wavelength gets longer as frequency increases
• C. Wavelength gets shorter as frequency increases
• D. Wavelength and frequency increase as path length increases

T1E05

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

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

T4A09

29. How can you determine the length of time that equipment can be powered from a battery?

• A. Divide the battery ampere-hour rating by the average current draw of the equipment
• B. Multiply the square of the current rating of the battery by the input resistance of the equipment
• C. Multiply the watts per hour consumed by the equipment by the battery power rating
• D. Divide the watt-hour rating of the battery by the peak power consumption of the equipment

T7B06

30. Which of the following actions should you take if a neighbor tells you that your station's transmissions are interfering with their radio or TV reception?

• A. All these choices are correct
• B. Make sure that your station is functioning properly and that it does not cause interference to your own radio or television when it is tuned to the same channel
• C. Install a harmonic doubler on the output of your transmitter and tune it until the interference is eliminated
• D. Immediately turn off your transmitter and contact the nearest FCC office for assistance

T5D02

31. What formula is used to calculate voltage in a circuit?

• A. E = I - R
• B. E= I x R
• C. E= I + R
• D. E= I / R

T9A02

32. Which of the following describes a type of antenna loading?

• A. Installing a spring in the base of a mobile vertical antenna to make it more flexible
• B. Strengthening the radiating elements of a beam antenna to better resist wind damage
• C. Inserting a resistor in the radiating portion of the antenna to make it resonant
• D. Electrically lengthening by inserting inductors in radiating elements

T7D03

33. When configured to measure current, how is a multimeter connected to a component?

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

T1C05

34. Which of the following is a valid Technician class call sign format?

• A. W1XX
• B. KA1X
• C. All these choices are correct
• D. KF1XXX

T1A05

35. What proves that the FCC has issued an operator/primary license grant?

• A. The license appears in the FCC ULS database
• B. An email notification from the NCVEC granting the license
• C. All these choices are correct
• D. A printed copy of the certificate of successful completion of examination