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Microwave Engineering - Microwave Engineering
  1. __________ is a region of Electromagnetic spectrum having frequency ranging from 1GHz to 100 GHz
    2. A.
    Micro wave
    B.
    UV
    C.
    IR
    D.
    None of these

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  2. Which of the following bands that comes under Microwave Band
    3. A.
    C
    B.
    D
    C.
    E
    D.
    all the above

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  3. Which of the following is the main advantage of microwave
    4. A.
    Highly directive
    B.
    Moves at the speed of light
    C.
    Greater S/N ratio
    D.
    High penetration power

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  4. Reflex klystron is a ______
    5. A.
    Amplifier
    B.
    Oscillator
    C.
    Attenuator
    D.
    Filter

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  5. On which of the following principle does Klystron operates
    6. A.
    Amplitude Modulation
    B.
    Frequency Modulation
    C.
    Pulse Modulation
    D.
    Velocity Modulation

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  6. In multicavity klystron additional cavities are inserted between buncher & catcher cavities to achieve
    7. A.
    Higher Gain
    B.
    Higher Efficiency
    C.
    Higher Frequency
    D.
    Higher Bandwidth

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  7. Which of the following is one of the mode in Reflex Klystron
    8. A.
    Give same frequency but different transit time
    B.
    Are caused by spurious frequency modulation
    C.
    Are just for theoretical consideration
    D.
    Result from excessive transit time across resonator gap

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  8. A space between two cavities in two cavity klystron is _______
    9. A.
    Drift space
    B.
    Free space
    C.
    Running space
    D.
    Normal space

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  9. Magnetron is an _______
    10. A.
    Amplifier
    B.
    Oscillator
    C.
    Phase shifter
    D.
    Both phase shifter & amplifier

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  10. Traveling Wave Tube is __________
    11. A.
    Oscillator
    B.
    Tuned Amplifier
    C.
    Wide Band Amplifier
    D.
    Both Amplifier & Oscillator

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