Process Control and Instrumentation The unit of 'time constant' of a system is the same as that of Time Velocity (time)⁻¹ None of these Time Velocity (time)⁻¹ None of these 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? Filled system thermometer Thermo electric pyrometer Mercury in glass thermometer Radiation/infrared pyrometer Filled system thermometer Thermo electric pyrometer Mercury in glass thermometer Radiation/infrared pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement is used for the determination of O₂ percentage in the flue gas Specific gravity of petrofuels Composition of an alloy CO₂ percentage in the flue gas O₂ percentage in the flue gas Specific gravity of petrofuels Composition of an alloy CO₂ percentage in the flue gas ANSWER DOWNLOAD EXAMIANS APP
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 Object has varying emissivity Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object has varying emissivity Object is transparent Enhancement or attentuation of redia-tion occurs in the sighting path ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Platinum resistance thermometer can be used upto antimony point which is __________ °C, and is the temperature of equilibrium between solid antimony & liquid antimony at normal atmospheric pressure. 1064.43 630.74 1261.93 961.93 1064.43 630.74 1261.93 961.93 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? Poor reproducibility High fidelity High measuring lag High drift Poor reproducibility High fidelity High measuring lag High drift ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS