Process Control and Instrumentation For a feed back control system to be stable, the Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the left half of the complex plane Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the right half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the left half of the complex plane ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as transportation lag Maximum change in the variable that does not change the reading of the instrument None of these Same as time constant Same as transportation lag Maximum change in the variable that does not change the reading of the instrument None of these Same as time constant ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ are analysed using a polarograph. Solids Gases Liquids Isotonic solutions Solids Gases Liquids Isotonic solutions ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mass spectrometer is used for the composition analysis of Solids Isotopes Alloys None of these Solids Isotopes Alloys None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Ordinary mercury in glass thermometer is used for measuring temperature upto 120°C. However, for measuring higher temperature upto __________ °C, thermometer is made by filling nitrogen under pressure above the mercury, which stops the evaporation of mercury and reduces the chance of broken thread of mercury. 700 250 350 550 700 250 350 550 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Zirconia probe is used for the continuous measurment of __________ flue gases going out of the furnace. Oxygen in Temperature of Carbon dioxide in Carbon monoxide in Oxygen in Temperature of Carbon dioxide in Carbon monoxide in ANSWER DOWNLOAD EXAMIANS APP