Process Control and Instrumentation Emf generated in a thermocouple depends on the temperature Difference between cold junction and atmospheric temperature Of cold junction only Difference between hot and cold junctions Of hot junction only Difference between cold junction and atmospheric temperature Of cold junction only Difference between hot and cold junctions Of hot junction only ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a shell and tube heat exchanger, the outlet temperature of heating/cooling fluid is the __________ variable. None of these Controlled Manipulated Load None of these Controlled Manipulated Load 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
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 Which of the following temperature measuring instruments need not touch the object whose temperature is being measured? Mercury in glass thermometer Thermo electric pyrometer Radiation/infrared pyrometer Filled system thermometer Mercury in glass thermometer Thermo electric pyrometer Radiation/infrared pyrometer Filled system thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low thermal conductivity High viscosity index Low flash point Low electrical conductivity Low thermal conductivity High viscosity index Low flash point Low electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
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