Process Control and Instrumentation The amplitude ratio for the sinusoidal response of a __________ is 1. First order system Second order system None of these Transportation lag First order system Second order system None of these Transportation lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A photo electric device in which the resistance of the metal is directly proportional to the light striking on it, is known as photo-conductive cell. Photoelectric transducers are used for the measurement of those parameters, which can be used to produce variation in Flux density Current Voltage Light intensity Flux density Current Voltage Light intensity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low electrical conductivity Low thermal conductivity Low flash point High viscosity index Low electrical conductivity Low thermal conductivity Low flash point High viscosity index 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. Dielectric constant end loss factor Polarimetry Electrical conductivity Emission spectroscopy Dielectric constant end loss factor Polarimetry Electrical conductivity Emission spectroscopy ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller indirect acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller indirect acting ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following controllers has maximum offset? P-controller P-I-D controller P-D controller P-I controller P-controller P-I-D controller P-D controller P-I controller ANSWER DOWNLOAD EXAMIANS APP