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 is transparent Object has varying emissivity Object and surrounding are at almost the same temperature Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Static error Dead zone Time lag Reproducibility Static error Dead zone Time lag Reproducibility ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly Linear Non-linear Parabolic Hyperbolic Linear Non-linear Parabolic Hyperbolic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The response of two tanks of same size and resistance in series is Over damped None of these Critically damped Under damped Over damped None of these Critically damped Under damped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Sub-zero temperature (< 0°C) can be measured by a constant volume gas thermometer employing Helium Hydrogen None of these Nitrogen Helium Hydrogen None of these Nitrogen 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 Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum+rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP