Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the 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 Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object has varying emissivity 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. Load Manipulated None of these Controlled Load Manipulated None of these Controlled ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is never used as an element of industrial resistance thermometer? Copper 30% iron + 70% nickel Lead Nickel Copper 30% iron + 70% nickel Lead Nickel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation An amplitude ratio of 0.1 corresponds to __________ decibels. -10 -20 10 20 -10 -20 10 20 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells are used in the temperature measurement to Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Increase the fidelity Reduce measuring lag Guard against corrosive and oxidising action on thermocouple materials Increase the sensitivity Increase the fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature range for which copper resistance thermometer can be used is __________ °C 350 to 750 -200 to 150 0 to 150 500 to 900 350 to 750 -200 to 150 0 to 150 500 to 900 ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS