Process Control and Instrumentation Continuous measurement of moisture in paper is done by Hair-hygrometer Weighing Sling psychrometer High resistance Wheatstone's bridge circuit Hair-hygrometer Weighing Sling psychrometer High resistance Wheatstone's bridge circuit ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which thermocouple can be used to measure a temperature of around 1400°C ? Copper-constantan Platinum-platinum+rhodium None of these Aluminium-chromel Copper-constantan Platinum-platinum+rhodium None of these Aluminium-chromel 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 PH meter Polarimeter Chromatograph Polarograph PH meter Polarimeter Chromatograph ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Thermocouple Optical pyrometer Platinum resistance thermometer Bimetallic thermometer Thermocouple Optical pyrometer Platinum resistance thermometer Bimetallic thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel Platinum-platinum/rhodium Iron-constantan Copper-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermocouple is suitable for measuring Very low temperatures only Very high temperatures only Liquid temperatures only Both high and low temperatures Very low temperatures only Very high temperatures only Liquid temperatures only Both high and low temperatures ANSWER DOWNLOAD EXAMIANS APP