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AC MACHINERY QA1

Quiz by Jon Francis

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20 questions
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  • Q1
    a device which converts electrical energy to mechanical energy (or motion).
    Motor
    Generator
    Transformer
    Alternator
    10s
  • Q2
    device which converts mechanical energy to electrical energy.
    Generator
    Alternator
    Transformer
    Motor
    10s
  • Q3
    Who developed the first ‘’real’’ electric motor?
    Michael Faraday
    Thomas Davenport
    Joseph Henry
    Ronald Diaz
    10s
  • Q4
    Motors used where higher starting torque and fairly constant speed is required
    Shunt
    Permanent
    Series
    Compound
    10s
  • Q5
    Synchronous motors are generally more efficient than induction motors?
    TRUE
    MAYBE
    FALSE
    NOT SURE
    10s
  • Q6
    The product of the force and the radius
    Torque
    Angular Velocity
    Power
    Omega
    10s
  • Q7
    Mechanical Power Output equals to
    (TORQUE)(ANGULAR VELOCITY)
    (ANGULAR VELOCITY)/(TORQUE)
    (TORQUE)/(RADIUS)
    (TORQUE)(Radius)
    10s
  • Q8
    The range of the speed regulation of permanent dc/ac motor is from?
    10% to 15%.
    20% to 30%.
    10% to 25%.
    5% to 10%.
    10s
  • Q9
    the speed of an AC motor is controlled by?
    varying the voltage
    varying the frequency
    varying the current
    varying the speed control
    10s
  • Q10
    is a passive electrical device that transfers electrical energy between two or more circuits.
    Generator
    Motor
    Transformer
    Alternator
    10s
  • Q11
    is the process by which a coil of wire magnetically induces a voltage into another coil located in close proximity to it.
    Force Induction
    Electromagnetic Induction
    Relay Induction
    Mutual Induction
    10s
  • Q12
    is a theoretical linear transformer that is lossless and perfectly coupled?
    Potential Transformer
    Current Transformer
    Power Transformer
    Ideal Transformer
    10s
  • Q13
    These transformers are used to relay and protect instruments simultaneously.
    Current
    Ideal
    Instrument
    Potential
    10s
  • Q14
    consist of several copper coil turns bundled together?
    Winding
    Core
    Breather
    Conservator
    10s
  • Q15
    City Meet 3rd Place Athletic
    Arvie Legaspina
    Van Nava
    Jayvee Ganaban
    John Morales
    10s

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