Discussion :: Process Control and Instrumentation
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Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by
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A.
filling nitrogen under pressure in the stem.
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B.
increasing the diameter of the tube.
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C.
using steel tube in place of glass tube.
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D.
accounting for the tube expansion.
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Answer : Option A
Explanation :
No answer description available for this question.
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