Electrical Engineering Quiz: Transistors, Slip Rings, and Protection Devices
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Questions and Answers

Which electrode in a junction transistor corresponds to the cathode in a vacuum tube?

  • Collector
  • Emitter (correct)
  • Base
  • Drain
  • In a control circuit, how are multiple stop buttons usually connected?

  • Parallel
  • Series buttons
  • Gang
  • Series-parallel (correct)
  • What material are slip rings commonly made of?

  • Copper (correct)
  • Bakelite
  • Steel
  • Mica
  • What is the unit of magnetic field intensity in the CGS system?

    <p>Gilbert</p> Signup and view all the answers

    Which device carries and interrupts load current even in case of a fault using separate contacts?

    <p>Sectionalizing</p> Signup and view all the answers

    What process involves heating electrically non-metallic materials like plastics?

    <p>Dielectric</p> Signup and view all the answers

    Which instrument has identical calibration for both AC and DC values?

    <p>Moving coil</p> Signup and view all the answers

    Where is the bullseye of the grounding target located?

    <p>Transformer</p> Signup and view all the answers

    Which instrument would draw the least current from the circuit it is incorporated in?

    <p>Hot wire</p> Signup and view all the answers

    Which of the following is not a basic part of an oil-type transformer?

    <p>Load tap changer</p> Signup and view all the answers

    Which type of dynamometer is referred to as 'type 111'?

    <p>Moving coil</p> Signup and view all the answers

    Which instrument's calibration is different for AC and DC values?

    <p>Thermocouple</p> Signup and view all the answers

    What term refers to material, fittings, devices, appliances, fixtures, apparatus used in connection with electrical insulation?

    <p>Equipment</p> Signup and view all the answers

    In the context of EPIRA, what does SAIDI stand for?

    <p>System average interruption duration index</p> Signup and view all the answers

    What term is used for devices that utilize electric energy for purposes like motors, furnaces, and heaters?

    <p>Utilization equipment</p> Signup and view all the answers

    What is the minimum thickness of concrete encased electrode?

    <p>60 mm</p> Signup and view all the answers

    What is the maximum torque that allows a synchronous motor to stay in synchronism?

    <p>Pull-in torque</p> Signup and view all the answers

    Which rule is used to determine the direction of induced or generated current within a conductor?

    <p>Lenz law</p> Signup and view all the answers

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