HAM Radio Technician Exam with Complete Solutions

Which of the following is a purpose of the Amateur Radio Service as stated in the FCC rules and regulations? - ANSWER-Advancing skills in the technical and communication phases of the radio art Which of the following is a purpose of the Amateur Radio Service rules and regulations as defined by the FCC? - ANSWER-Enhancing international goodwill When is willful interference to other amateur radio stations permitted? - ANSWER-At no time What is ITU? - ANSWER-A United Nations agency for information and communication technology issues Which frequency is within the 6 meter band? - ANSWER-52.525MHz Which of the bands above 30MHz that are available to have Technician Class operators mode-restricted sub-hands? - ANSWER-The 6 meter, 2 meter, and 1.25 meter bands Which type of call sign has a single letter in both its prefix and suffix? - ANSWER-Special event When are you allowed to operate your amateur station in a foreign country? - ANSWER-When the foreign country authorizes it Which of the following is a vanity call sign which technician class amateur operator might select if available? - ANSWER-K1XXX What may result when correspondence from the FCC is returned as undeliverable because the grantee failed to provide the correct mailing address? - ANSWER-Revocation of the station license or suspension of the operator license When is the transmission of codes or ciphers that hide the meaning of a message allowed by an amateur station? - ANSWER-Only when transmitting control commands to space stations or radio control craft What is the only time an amateur station is authorized to transmit music? - ANSWER-When inaccidental to an authorized retransmission of manned spacecraft commnications When may amateur radio operators use their stations to notify other amateurs of the availability of equipment for sale or trade? - ANSWER-When the equipment is normally used in an amateur station and such activity is not conducted on a regular basis When may an amateur station transmit without identifying? - ANSWER-When transmitting signals to control a model craft When is amateur station permitted to transmit without control operator? - ANSWER-Never Who may a station licensee designate to be control operator of an amateur station? - ANSWER-Only a person for whom an amateur operator/primary station license grant appears in the FCC database or who is authorized for alien reciprocal operation. Who must designate the station control operator? - ANSWER-The station licensee What type of control is being used when the control operator is a the control point? - ANSWER-Local control When is an amateur station required to transmit its assigned call sign? - ANSWER-At least every 10 minutes during and at the end of a communication Who is accountable should a repeater inadvertently retransmit communications that violate the FCC rules? - ANSWER-The control operator of the originating station How many persons are required to be members of a club for a club station license to be issued by the FCC - ANSWER-At least 4 When must the station licensee make the station and its records available for FCC inspection? - ANSWER-At any time upon the request by an FCC representative What is the most common repeater frequency offset in the 2 meter band? - ANSWER-Plus or minus 600kHz What must an amateur operator do when making on-air transmissions to test equipment or antennas? - ANSWER-Properly identify the transmitting station What is band plan, beyond the privileges established by the FCC? - ANSWER-A voluntary guideline for using different ,modes or activities within an amateur band Which of the following describes the muting of receiver audio controlled solely by the presence or absence of an RF signal - ANSWER-Carrier Squelch Which of the following applies when two stations transmitting on the same frequency interfere with each other?' - ANSWER-Common courtesy should prevail but no one has absolute right to amateur frequency Which of the following methods is encouraged by the FCC when identifying your station when using phone? - ANSWER-Use of a phonetic alphabet What is one way to recharge a 12 volt lead acid station battery if the commercial power is out? - ANSWER-Connect the battery with a vehicles battery and run the engine Which of the following is an accepted practice to get the immediate attention of a net control? - ANSWER-Begin your transmission by saying "priority" or "emergency" followed by your call sign Which of the following is a characteristic of good emergency traffic handling? - ANSWER-Passing messages exactly as recieved What term is commonly used to describe the rapid fluttering sound sometimes heard from mobile stations that are moving while transmitting? - ANSWER-Picket fencing What type of wave carries radio signals between transmitting and receiving stations? - ANSWER-Electromagnetic What may occur if data signals propagate over multiple paths? - ANSWER-Error rates are likely to increase How fast does a radio travel through free space? - ANSWER-At the speed of light How does the wavelength of a radio wave relate to its frequency? - ANSWER-The wavelength gets shorter as the frequency increases What property of radio waves is often used to identify the different frequency bands? - ANSWER-The approximate wavelength What are direct(not via a repeater) UHF signals rarely heard from stations outside your local coverage area? - ANSWER-UHF signals are usually not reflected by the ionsphere Which of the following propagation types is most commonly associated with occasional strong over-the-horizon signals on the 10,6, and 2 meter bands? - ANSWER-Sporadic E Why do VHF and UHF radio signals usually travel somewhat father than the visual line of sight distance between two stations? - ANSWER-The Earth seem less curved to radio waves than light Which is a good reason to use a regulated power supply for communications equipment? - ANSWER-It prevents voltage fluctuations from reaching sensitive circuits Which type of conductor is best to use for RF grounding? - ANSWER-Flat strap Where should the negative return connection of a mobile transceiver's power cable be connected? - ANSWER-At the battery or engine block ground strap What could be happening if another operator reports a variable a variable high-pitched whine on the audio from your mobile transmitter? - ANSWER-Noise on the vehicle's electrical system is being transmitted along with your speech audio What is a way to enable quick access to a favorite frequency on your transceiver? - ANSWER-Store the frequency in a memory channel Which of the following would reduce ignition interference to a receiver? - ANSWER-Turn on the noise blanker Which of the following describes the common meaning of the term "repeater offset"? - ANSWER-The difference between the repeater's transmit and receive frequencies Electrical current is measured is which of the following units? - ANSWER-Amperes What is the name for a current that flows only in one direction? - ANSWER-Direct current What is the name for a current that reverse direction on a regular basis? - ANSWER-Alternating current What term describes the number of times per second that an alternating current reverses? - ANSWER-Frequency How many milliamperes is 1.5 amperes? - ANSWER-1,500 milliampres If a frequency readout calibrated in megahertz shows a reading of 3.525 MHz, what would it show if it were calibrated in kilohertz? - ANSWER-3525kHz What is the ability to store energy in a magnetic field called? - ANSWER-Inductance How much power is being used in a circuit when the applied voltage is 12 volts DC and the current is 2.5 amperes? - ANSWER-30 watts What is the resistance in a circuit for which the applied voltage is 12 volts and the current flow is 1.5 amperes? - ANSWER-8 ohms What is the voltage across a 10-ohm resistor if a current of 2 amperes flow through it? - ANSWER-20 volts What electrical component is used to oppose the flow of current in a DC circuit? - ANSWER-Resistor What electrical component stores energy in an electric? field? - ANSWER-Capacitor What type of electrical component consists of two or more conductive surfaces separated by an insulator? - ANSWER-Capacitor What electrical component is used to connect or disconnect electrical circuits? - ANSWER-Switch What electronic component allow current to flow in only one direction? - ANSWER-Diode Which of the following electric components can amplify signals? - ANSWER-Transistor What is the term that describes a transistor's ability to amplify a signal? - ANSWER-Gain What is component 3 in figure T3? - ANSWER-Variable inductor What is component 4 in figure T3? - ANSWER-Antenna Which of the following is accurately represented in electrical circuit schematic diagrams? - ANSWER-The way components are interconnected What best describes a relay? - ANSWER-A switch controlled by an electromagnet What component is commonly used to change 120V AC house current to a lower AC voltage for other uses? - ANSWER-Transformer Which of the following is commonly used as a visual indicator to make a tuned circuit? - ANSWER-Capacitor Which of the following is a common reason to use shielded wire? - ANSWER-To prevent coupling of unwanted signals to or from the wire What is a transceiver? - ANSWER-A unit combining the functions of a transmitter and a receiver Which term describes the ability of a receiver to discriminate between multiple signals? - ANSWER-Selectivity Which of the folllowing describes combinig speech with an RF carrier signal? - ANSWER-Modulation