Process Control and Instrumentation The level of a liquid under pressure can be determined using Air-trap system Differential pressure manometer Diaphragm box system Bubbler system Air-trap system Differential pressure manometer Diaphragm box system Bubbler system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistors are used in __________ devices. Voltage measuring Both B & C Temperature compensating Temperature measuring Voltage measuring Both B & C Temperature compensating Temperature measuring ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Lead Nickel 30% iron + 70% nickel Copper Lead Nickel 30% iron + 70% nickel Copper ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. None of these Hydrogen Nitrogen Helium None of these Hydrogen Nitrogen Helium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Chromel-alumel Platinum-platinum/rhodium Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum/rhodium Copper-constantan Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
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 Polarograph Polarimeter PH meter Chromatograph Polarograph Polarimeter PH meter Chromatograph ANSWER DOWNLOAD EXAMIANS APP
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