Process Control and Instrumentation Which of the following controllers has maximum offset? P-I controller P-D controller P-controller P-I-D controller P-I controller P-D controller P-controller P-I-D controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ is undesirable in thermocouples used in industries, Non-linear relation of emf to temperature 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 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram are generated from output response of the system subjected to which of the following input? Step Ramp Sinusoidal Impulse Step Ramp Sinusoidal Impulse ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Conversion formula for converting amplitude ratio (AR) into decibels is Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR) Decibel = 20 log10 (AR)0.5 Decibel = 20 loge (AR)0.5 Decibel = 20 loge (AR) Decibel = 20 log10 (AR) Decibel = 20 log10 (AR)0.5 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order system Dead time system A first order time lag A second order system A first order system Dead time system A first order time lag A second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? Thomson effect Seebeck effect Peltier effect None of these Thomson effect Seebeck effect Peltier effect None of these ANSWER DOWNLOAD EXAMIANS APP