Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Reistance thermometer Thermocouple Vapor pressure thermometer Mercury in glass thermometer Reistance thermometer Thermocouple Vapor pressure thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature Oxidation resistance Linear relation of emf to temperature Corrosion resistance Non-linear relation of emf to temperature Oxidation resistance ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Platinum-rhodium Chromel-alumel Tungsten-molybdenum Iron-constantan Platinum-rhodium Chromel-alumel Tungsten-molybdenum Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Polarimetry Emission spectroscopy Electrical conductivity Dielectric constant end loss factor Polarimetry Emission spectroscopy Electrical conductivity Dielectric constant end loss factor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not the triple point of water? 32°R 32°F 492°R 273°K 32°R 32°F 492°R 273°K ANSWER DOWNLOAD EXAMIANS APP
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