1. PWR원자로의 비상노심 냉각계통(ECCS)에 대한 설계기준은 다음과 같은 사고상태를 고려한 것이다. 맞는 내용은?

  • 1
    loss of coolant accident, rod ejection accident, secondary steamline bread와 feedwater line break

  • 2
    loss of offsite power, secondary steam line break와feedwater line break, primary to secondary steam generator tube rupture

  • 3
    loss of onsite power, primary to secondary steam generator tube rupture, diesel generator failure

  • 4
    diesel generator failure, rod ejection accident secondary steam line break와 feedwater line break
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