Chemical Engineering - Process Control and Instrumentation - Discussion

Discussion Forum : Process Control and Instrumentation - Section 1 (Q.No. 24)
24.
Smoke density of the flue gas going out of the chimney is measured by a
polarograph
thermal conductivity meter
photo electric cell
chromatograph
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
2 comments Page 1 of 1.

Henry said:   10 years ago
This is a very good job. Thanks and God bless.
(1)

Rafi said:   7 years ago
Photoelectric cell works on light intensity. As the smoke comes from chimney the light intensity decreases and the difference in light intensities determines the density of smoke.
(8)

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