Uttarakhand PMT Uttarakhand PMT Solved Paper-2007

  • question_answer The neutral temperature of a thermocouple is \[300{}^\circ C\]. What is the inversion temperature, if the temperature of cold junction is\[10{}^\circ C\]?

    A)  \[590{}^\circ C\]         

    B)  \[610{}^\circ C\]

    C)  \[310{}^\circ C\]         

    D)  \[290{}^\circ C\]

    Correct Answer: A

    Solution :

     From the relation \[{{T}_{i}}=2{{T}_{n}}-{{T}_{0}}\] Given,   \[{{T}_{n}}=300{}^\circ C,{{T}_{0}}=10{}^\circ C\] \[\therefore \] \[{{T}_{i}}=2\times 300-10\] \[{{T}_{i}}=600-10\] \[{{T}_{i}}=590{}^\circ C\]

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