Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Integral control action is introduced Kc is increased Derivative control action is introduced Kc is reduced Integral control action is introduced Kc is increased Derivative control action is introduced Kc is reduced 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 flash point Low thermal conductivity High viscosity index Low electrical conductivity Low flash point Low thermal conductivity High viscosity index Low electrical conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection of the free end of the bimetallic strips in a bimetallic thermometer with temperature is nearly Non-linear Linear Parabolic Hyperbolic Non-linear Linear Parabolic Hyperbolic ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Joule heating effect Thomson effect Seebeck effect Peltier effect Joule heating effect Thomson effect Seebeck effect Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1 0.25 0.5 1/√2 1 0.25 0.5 1/√2 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Specific gravity of a liquid can not be measured by a/an Hydrometer Specific gravity bottle Pycnometer Anemometer Hydrometer Specific gravity bottle Pycnometer Anemometer ANSWER DOWNLOAD EXAMIANS APP