Discussion :: Heat and Mass Transfer
- The time constant of a thermocouple is
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A.
The time taken to attain the final temperature to be measured |
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B.
The time taken to attain 50% of the value of initial temperature difference |
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C.
The time taken to attain 63.2% of the value of initial temperature difference |
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D.
Determined by the time taken to reach 100°C from 0°C |
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Answer : Option C
Explanation :
The Time Constant of a thermocouple is defined as the time required for the sensor to respond to 63.2% of its total output signal when subjected to a step change in temperature.
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