Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 - 10 and 425 - 51 and 439 - 79 and 395 - 39 and 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Change of angle of refraction with composition comprises the working principle of a Polarimeter Refractrometer Polarograph Spectrometer Polarimeter Refractrometer Polarograph Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flapper nozzle is used in a/an __________ controller. Electronic Hydraulic None of these Pneumatic Electronic Hydraulic None of these Pneumatic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following measurements can be made by the measurement of emf? Composition of complex ions All of these PH value Degree of hydrolysis Composition of complex ions All of these PH value Degree of hydrolysis ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 0° 180° 45° 90° 0° 180° 45° 90° ANSWER DOWNLOAD EXAMIANS APP
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