Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a CSTR with first order reaction Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell U-tube manometer CSTR with first order reaction Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell U-tube manometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 90° Phase lag - 180° 180° - phase lag Phase lag + 180° Phase lag + 90° Phase lag - 180° 180° - phase lag Phase lag + 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system? < 1 >1 None of these 1 < 1 >1 None of these 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Instrumentation in a plant offers the advantage of All of these Greater safety of operation Better quality of product Greater operation economy All of these Greater safety of operation Better quality of product Greater operation economy ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Chromel-alumel Iron-constantan Platinum-platinum/rhodium Copper-constantan Chromel-alumel Iron-constantan Platinum-platinum/rhodium Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometers has the lowest positive temperature measurement capability? Nitrogen in steel thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer Nitrogen in steel thermometer Mercury in glass thermometer Fused metal (Na or K) in steel thermometer Alcohol in glass thermometer ANSWER DOWNLOAD EXAMIANS APP