Flow rate measurement of hostile acids and alkalis can be most suitably done by a/an
Options
A. venturimeter
B. orificemeter
C. magnetic flow meter
D. hot wire anemometer
Correct Answer
magnetic flow meter
Process Control and Instrumentation problems
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1. Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature
Options
A. emf produced is very low of the order of microvolt.