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  • Question
  • Which motor is NOT suitable for use as a DC machine?


  • Options
  • A. Permanent magnet motor
  • B. Series motor
  • C. Squirrel cage motor
  • D. Synchronous motor

  • Correct Answer
  • Squirrel cage motor 

    Explanation
    The squirrel cage motor is the only one without any connection to the armature.

  • Technology problems


    Search Results


    • 1. What does EPROM stand for?

    • Options
    • A. Electric Programmable Read Only Memory
    • B. Erasable Programmable Read Only Memory
    • C. Evaluable Philotic Random Optic Memory
    • D. Every Person Requires One Mind
    • Discuss
    • 2. The transformer that develops the high voltage in a home television is commonly called a...?

    • Options
    • A. Tesla coil
    • B. Flyback
    • C. Yoke
    • D. Van de Graaf
    • Discuss
    • 3. When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its "Noise..."?

    • Options
    • A. Fundamental
    • B. Fall
    • C. Force
    • D. Figure
    • Discuss
    • 4. What is part of a database that holds only one type of information?

    • Options
    • A. Report
    • B. Field
    • C. Record
    • D. File
    • Discuss
    • 5. What does AM mean?

    • Options
    • A. Angelo marconi
    • B. Anno median
    • C. Amplitude modulation
    • D. Amperes
    • Discuss
    • 6. The sampling rate, (how many samples per second are stored) for a CD is...?

    • Options
    • A. 48.4 kHz
    • B. 22,050 Hz
    • C. 44.1 kHz
    • D. 48 kHz
    • Discuss
    • 7. What does the term PLC stand for?

    • Options
    • A. Programmable Lift Computer
    • B. Program List Control
    • C. Programmable Logic Controller
    • D. Piezo Lamp Connector
    • Discuss
    • 8. Who built the world's first binary digit computer: Z1...?

    • Options
    • A. Konrad Zuse
    • B. Ken Thompson
    • C. Alan Turing
    • D. George Boole
    • Discuss
    • 9. 'OS' computer abbreviation usually means?

    • Options
    • A. Order of Significance
    • B. Open Software
    • C. Operating System
    • D. Optical Sensor
    • Discuss
    • 10. Who developed Yahoo?

    • Options
    • A. Dennis Ritchie & Ken Thompson
    • B. David Filo & Jerry Yang
    • C. Vint Cerf & Robert Kahn
    • D. Steve Case & Jeff Bezos
    • Discuss


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