Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? 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 The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. None of these Iron-constantan Chromel-alumel Platinum-platinum/rhodium None of these Iron-constantan Chromel-alumel Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Iron-constantan Platinum-platinum+rhodium Chromel-alumel Either A, B or C Iron-constantan Platinum-platinum+rhodium Chromel-alumel Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bourdon tube is never made of Monel metal Cast iron Phosphor bronze Stainless steel Monel metal Cast iron Phosphor bronze Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermometers is not suitable for distant reading upto 60 metres? Vapor pressure thermometer Resistance thermometer Constant volume gas thermometer Mercury in glass thermometer Vapor pressure thermometer Resistance thermometer Constant volume gas thermometer Mercury in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least 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
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