Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object and surrounding are at almost the same temperature Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity Object and surrounding are at almost the same temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? All of these Platinum-platinum + rhodium Chromel-constantan Iron-constantan All of these Platinum-platinum + rhodium Chromel-constantan Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Parabolic Square root Exponential Linear Parabolic Square root Exponential Linear ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the continuous measurment of __________ flue gases going out of the furnace. Carbon dioxide in Temperature of Oxygen in Carbon monoxide in Carbon dioxide in Temperature of Oxygen in Carbon monoxide in 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 Low electrical conductivity Low flash point High viscosity index Low thermal conductivity Low electrical conductivity Low flash point High viscosity index ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? Peltier effect None of these Seebeck effect Thomson effect Peltier effect None of these Seebeck effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS