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Question Subject: ETO : ETO - Section 1 (2022/NOV)
Total Questions: 3
  • 01

    Q2. a) Explain why it is necessary to have reverse power protection for alternators intended for operation. (6)

    b) (i) Sketch a reverse power trip. (5)

    (ii) Briefly explain the principle on which the operation of this power trip is based and how tripping is activated. (5)

    • 2021/JAN/02
    • 2022/FEB/03
    • 2022/NOV/01
    • 2024/MAR/01
    • 2024/JUL/02
    View Answer
  • 02

    Q2. List at least two factors that cause deterioration of the frequency response of a transistor amplifier. Explain how each factor affects the performance of the amplifier and the portion of the frequency range where it is effective. (16)

    • 2022/NOV/02
    • 2023/APR/02
    View Answer
  • 03

    Q3. a) What are the causes of overheating of an induction motor? (4)

    b) What preventive measures are provided against damage to an induction motor in installed condition? (3)

    c) What is the purpose of “fuse back up protection” provided to an induction motor? (3)

    d) How does an induction motor develop torque? (3)

    e) What is the condition to be satisfied for achieving maximum running torque in an induction motor? (3)

    • 2022/NOV/03
    View Answer

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        • Marine Merchant Navy Epaulettes
          • Back
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          • Epaulettes for Marine Engineer Officers
        • Marine Belts | Peak cap | Accessories
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