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Chemical Engineering - Process Control and Instrumentation

Exercise : Process Control and Instrumentation - Section 5
16.
Working principle of radiation pyrometer is based on the
Wien's law
Kirchoffs law
stefan-Boltzman law
Seebeck effect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Liquid levels in autocalves are measued by
simple float
differential float type manometer
glass gauge
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
E.m.f. generated by thermocouples is of the order of
millivolts
microvolts
volts
kilo volts
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
A pyrheliometer is an instrument used for measuring the
bright sunshine period.
beam radiation.
diffuse radiation.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Flow rate through an orifice is __________ the pressure differential.
proportional to
inversely proportional to the square root of
proportional to the square root of
inversely proportional to the square of
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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