CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2005

  • question_answer
    For a certain thermocouple, if the temperature of the cold junction is\[0{}^\circ C,\]the neutral temperature and inversion temperatures are\[285{}^\circ C\]and\[570{}^\circ C\] respectively. If the cold junction is brought to \[10{}^\circ C,\]then the new neutral and inversion temperatures are respectively:

    A)  \[285{}^\circ C\] and \[560{}^\circ C\]

    B)  \[285{}^\circ C\] and\[570{}^\circ C\]

    C)  \[295{}^\circ C\] and\[560{}^\circ C\]

    D)  \[275{}^\circ C\] and\[560{}^\circ C\]

    E)  \[275{}^\circ C\] and\[570{}^\circ C\]

    Correct Answer: A

    Solution :

    Neutral temperature remains same. Inversion temperature, \[{{T}_{i}}=2{{T}_{n}}-{{T}_{c}}\] \[=2\times 285-10\] \[=560{}^\circ C\]


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