Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object is transparent Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object and surrounding are at almost the same temperature Object is transparent Object has varying emissivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Change of angle of refraction with composition comprises the working principle of a Spectrometer Refractrometer Polarograph Polarimeter Spectrometer Refractrometer Polarograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a variable area flow meter? Rotameter Piston type meter Magnetic flow meter Orifice and tapered plug meter Rotameter Piston type meter Magnetic flow meter Orifice and tapered plug meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In second order underdamped system, Decay ratio = overshoot Large damping co-efficient means smaller damping Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient Decay ratio = overshoot Large damping co-efficient means smaller damping Decay ratio = (overshoot)² Overshoot increases for increasing damping co-efficient ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Optical activity of a solution can be determined using a Dilatometer Refractrometer Polarograph Polarimeter Dilatometer Refractrometer Polarograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Linear relation of emf to temperature Oxidation resistance Non-linear relation of emf to temperature Corrosion resistance Linear relation of emf to temperature Oxidation resistance Non-linear relation of emf to temperature Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
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