Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object is transparent Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object is transparent ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ thermometer can not measure sub-zero (< 0° C) temperature, Resistance Bimetallic Mercury in glass Vapor pressure Resistance Bimetallic Mercury in glass Vapor pressure 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. Manipulated Load Controlled None of these Manipulated Load Controlled None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple while measuring a temperature of 800°C is about 31 mV. The type of thermocouple used is None of these Platinum-platinum+rhodium Chromel-alumel Iron-constantan None of these Platinum-platinum+rhodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouple materials does not contain nickel? Constantan Chromel None of these Alumel Constantan Chromel None of these Alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Characteristic equation is the denominator of __________ loop transfer function. Open Closed Both A & B Here Neither A Nor B Here Open Closed Both A & B Here Neither A Nor B Here ANSWER DOWNLOAD EXAMIANS APP