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TECHNOOGY QUIZ :: 01 :: 02 :: 03 :: 04 :: 05 :: 06 :: 07 :: 08 :: 09
 

Technology Quiz 01

  1. Some lasers are referred to as being “cw.” What does “cw” mean?

    Circular wave

    Constant white

    Continuous wave

    Clear white

  2. What is the process responsible for producing photons in a diode laser?

    Fermi level shift

    Majority carrier injection

    Carrier freeze out

    Electron-hole recombination

  3. What are three types of lasers?

    Gas, metal vapor, rock

    Pointer, diode, CD

    Diode, inverted, pointer

    Gas, solid state, diode

  4. What was the active medium used in the first working laser ever constructed?

    A diamond block

    Helium-neon gas

    A ruby rod

    Carbon dioxide gas

  5. After the first photons of light are produced, which process is responsible for amplification of the light?

    Blackbody radiation

    Stimulated emission

    Planck’s radiation

    Einstein oscillation

  6. Once the active medium is excited, the first photons of light are produced by which physical process?

    Blackbody radiation

    Spontaneous emission

    Synchrotron radiation

    Planck’s oscillation

  7. The first step to getting output from a laser is to excite an active medium. What is this process called?

    Pumping

    Exciting

    Priming

    Raising

  8. What does AM mean?

    Angelo marconi

    Anno median

    Amplitude modulation

    Amperes

  9. What frequency range is the High Frequency band?

    100 kHz

    1 GHz

    30 to 300 MHz

    3 to 30 MHz

  10. What does EPROM stand for?

    Electric Programmable Read Only Memory

    Erasable Programmable Read Only Memory

    Evaluable Philotic Random Optic Memory

    Every Person Requires One Mind

  11. What does the term PLC stand for?

    Programmable Lift Computer

    Program List Control

    Programmable Logic Controller

    Piezo Lamp Connector

  12. Which motor is NOT suitable for use as a DC machine?

    Permanent magnet motor

    Series motor

    Squirrel cage motor

    Synchronous motor

  13. What does VVVF stand for?

    Variant Voltage Vile Frequency

    Variable Velocity Variable Fun

    Very Very Vicious Frequency

    Variable Voltage Variable Frequency

  14. The sampling rate, (how many samples per second are stored) for a CD is...?

    48.4 kHz

    22,050 Hz

    44.1 kHz

    48 kHz

  15. Compact discs, (according to the original CD specifications) hold how many minutes of music?

    74 mins

    56 mins

    60 mins

    90 mins

  16. Sometimes computers and cash registers in a foodmart are connected to a UPS system. What does UPS mean?

    United Parcel Service

    Uniform Product Support

    Under Paneling Storage

    Uninterruptable Power Supply

  17. What does AC and DC stand for in the electrical field?

    Alternating Current and Direct Current

    A Rock Band from Australia

    Average Current and Discharged Capacitor

    Atlantic City and District of Columbia

  18. Which consists of two plates separated by a dielectric and can store a charge?

    Inductor

    Capacitor

    Transistor

    Relay

  19.  

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