Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Optical pyrometer Platinum resistance thermometer Bimetallic thermometer Thermocouple Optical pyrometer Platinum resistance thermometer Bimetallic thermometer Thermocouple 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 Chromatograph Polarimeter PH meter Polarograph Chromatograph Polarimeter PH meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Nickel Lead Copper 30% iron + 70% nickel Nickel Lead Copper 30% iron + 70% nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 75 25 100 75 25 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermisters which have a very high temperature co-efficient of resistivity belong to the class of solid called Dielectrics Semi conductors Conductors Insulators Dielectrics Semi conductors Conductors Insulators ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Flat spiral Bourdon tube Single helix Multiple helix Flat spiral Bourdon tube Single helix Multiple helix ANSWER DOWNLOAD EXAMIANS APP
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