Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? 1.5 AT 2 AT 0.5 AT √AT 1.5 AT 2 AT 0.5 AT √AT ANSWER DOWNLOAD EXAMIANS APP
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 An emf of the order of mV is generated when two solutions of different hydrogen ion concentration are separated by a thin glass wall. This is the working principle of a Chromatograph PH meter Polarograph Polarimeter Chromatograph PH meter Polarograph Polarimeter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The frequency at which maximum amplitude ratio is attained is called the __________ frequency. Resonant Corner Natural Cross-over Resonant Corner Natural Cross-over ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Polarimetry Electrical conductivity Dielectric constant end loss factor Emission spectroscopy Polarimetry Electrical conductivity Dielectric constant end loss factor Emission spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a Spring loaded diaphragm valve U-tube manometer Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction Spring loaded diaphragm valve U-tube manometer Thermocouple kept immersed in a liquid filled thermowell CSTR with first order reaction ANSWER DOWNLOAD EXAMIANS APP
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