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 Platinum-rhodium Iron-constantan Chromel-alumel Platinum-platinum+rhyodium Platinum-rhodium Iron-constantan Chromel-alumel Platinum-platinum+rhyodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature measurement range of iron-constantan thermocouple is 0 to 870°C. It can be used to measure sub zero temperature, because at lower temperature Embrittlement of iron occurs Emf produced is very low of the order of microvolt Both B and C Here Rusting of iron takes place Embrittlement of iron occurs Emf produced is very low of the order of microvolt Both B and C Here Rusting of iron takes place ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a Thermocouple kept immersed in a liquid filled thermowell U-tube manometer CSTR with first order reaction Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell U-tube manometer CSTR with first order reaction Spring loaded diaphragm valve ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Smoke density of the flue gas going out of the chimney is measured by a Thermal conductivity meter Polarograph Chromatograph Photo electric cell Thermal conductivity meter Polarograph Chromatograph Photo electric cell ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a mechanical pressure sensing element? Diaphragm U-tube Bellows Bourdon tube Diaphragm U-tube Bellows Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Meleoid gauge measures the __________ pressure. Sub-atmospheric Very high Atmospheric Positive Sub-atmospheric Very high Atmospheric Positive ANSWER DOWNLOAD EXAMIANS APP
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