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Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 7 (Q.No. 34)
Process Control and Instrumentation
34.
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
filling nitrogen under pressure in the stem.
increasing the diameter of the tube.
using steel tube in place of glass tube.
accounting for the tube expansion.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
1 comments Page 1 of 1.
Lori said:   2 years ago
As per gas laws when we increase l pressure, temperature raise.
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