Process Control and Instrumentation Reference points i.e., ice point and steam point in Reaumer temperature scale are respectively 32° & 460° 0° & 80° 32° & 80° - 273° & 80° 32° & 460° 0° & 80° 32° & 80° - 273° & 80° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? S/(s² - 1) S/(s² + 1) 1/(s² + 1) 1/(s² - 1) S/(s² - 1) S/(s² + 1) 1/(s² + 1) 1/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
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 Kc is increased Integral control action is introduced Derivative control action is introduced Kc is reduced Kc is increased Integral control action is introduced Derivative control action is introduced Kc is reduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Hot wire anemometer is used for the measurement of Thermal conductivity of gases Flow rates of fluids Very high temperature Flow rates of granular solids Thermal conductivity of gases Flow rates of fluids Very high temperature Flow rates of granular solids 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 Polarimeter Polarograph PH meter Chromatograph Polarimeter Polarograph PH meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nickel percentage in invar which is an iron-nickel alloy, and is used as a thermocouple material is 54 36 68 12 54 36 68 12 ANSWER DOWNLOAD EXAMIANS APP