Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A second order system A first order system A first order time lag Dead time system A second order system A first order system A first order time lag Dead time system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. None of these Iron-constantan Chromel-alumel Platinum-platinum/rhodium None of these Iron-constantan Chromel-alumel Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometer has the capability to measure the lowest temperature? Alcohol in glass thermometer Mercury in glass thermometer Mercury in steel thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Mercury in glass thermometer Mercury in steel thermometer Fused metal (Na or K) in steel thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Instrumentation in a plant offers the advantage of Better quality of product Greater operation economy Greater safety of operation All of these Better quality of product Greater operation economy Greater safety of operation All of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 90° Phase lag + 180° Phase lag - 180° 180° - phase lag Phase lag + 90° Phase lag + 180° Phase lag - 180° 180° - phase lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Corrosion resistance Oxidation resistance Linear relation of emf to temperature Non-linear relation of emf to temperature Corrosion resistance Oxidation resistance Linear relation of emf to temperature Non-linear relation of emf to temperature ANSWER DOWNLOAD EXAMIANS APP
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