Process Control and Instrumentation An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Polarimeter PH meter Polarograph Chromatograph Polarimeter PH meter Polarograph Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not classified as a thermo electric pyrometer Radiation pyrometer Thermocouple Resistance thermometer Optical pyrometer (disappearing filament type) Radiation pyrometer Thermocouple Resistance thermometer Optical pyrometer (disappearing filament type) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for Temperature changes Flow rate changes Low loads None of these Temperature changes Flow rate changes Low loads None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Operating range of a temperature measuring instrument is 800 to 1600°C. It could be a/an __________ pyrometer. Optical None of these Photoelectric Radiation Optical None of these Photoelectric Radiation ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bimetallic thermometer as compared to industrial mercury in glass thermometer has almost the same Speed of response All of these Accuracy (± 1% of span) Temperature measuring range (- 40°C to 450°C) Speed of response All of these Accuracy (± 1% of span) Temperature measuring range (- 40°C to 450°C) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Underdamped Highly fluctuating Critically damped Overdamped Underdamped Highly fluctuating Critically damped Overdamped ANSWER DOWNLOAD EXAMIANS APP
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