GK-Technology Question and Answer

GK-Technology Question and Answer
11.  The most common format for a home video recorder is VHS. VHS stands for...?
  • Video Home System
  • Very high speed
  • Video horizontal standard
  • Voltage house standard
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12. What does VVVF stand for?
  • Variant Voltage Vile Frequency
  • Variable Velocity Variable Fun
  • Very Very Vicious Frequency
  • Variable Voltage Variable Frequency
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13. What frequency range is the High Frequency band?
  • 100 kHz
  • 1 GHz
  • 30 to 300 MHz
  • 3 to 30 MHz
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14. The first step to getting output from a laser is to excite an active medium. What is this process
called?
  • Pumping
  • Exciting
  • Priming
  • Raising
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15. What is the relationship between resistivity r and conductivity s?
  • R = s2
  • R = s
  • R > s
  • R = 1/s
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16. Which motor is NOT suitable for use as a DC machine?
  • Permanent magnet motor
  • Series motor
  • Squirrel cage motor
  • Synchronous motor
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17. A given signal's second harmonic is twice the given signal's __________ frequency...?
  • Fourier
  • Foundation
  • Fundamental
  • Field
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18. In which year was MIDI(dress) introduced?
  • 1987
  • 1983
  • 1973
  • 1977
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19.  What does the term PLC stand for?
  • Programmable Lift Computer
  • Program List Control
  • Programmable Logic Controller
  • Piezo Lamp Connector
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20. When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one
might be concerned with its "Noise..."?
  • Fundamental
  • Fall
  • Force
  • Figure
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