Process Control and Instrumentation Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Thermo electric pyrometer Filled system thermometer Mercury in glass thermometer Radiation/infrared pyrometer Thermo electric pyrometer Filled system thermometer Mercury in glass thermometer Radiation/infrared pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 400°C is 22 mV. The type of thermocouple used is Chromel-alumel Iron-constantan Platinum-platinum+rhyodium Platinum-rhodium Chromel-alumel Iron-constantan Platinum-platinum+rhyodium Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer is the international standard for temperature measurement between Neither A nor B Triple point of hydrogen and freezing point of antimony 13.81°K to 903.9°K Both A and B Neither A nor B Triple point of hydrogen and freezing point of antimony 13.81°K to 903.9°K Both A and B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer can be used to measure the temperature upto __________ °C. 250 100 750 350 250 100 750 350 ANSWER DOWNLOAD EXAMIANS APP