Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Iron-constantan thermocouple Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Radiation pyrometer Iron-constantan thermocouple Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Either A, B or C Platinum-platinum+rhodium Iron-constantan Chromel-alumel Either A, B or C Platinum-platinum+rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the 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 Poles of the closed loop transfer function should lie in the right half of the complex plane Roots of the characteristic equation should be real 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 Poles of the closed loop transfer function should lie in the right half of the complex plane Roots of the characteristic equation should be real ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation All the thermocouples used for temperature measurement use dissimilar metal Beads Wires Bars Strips Beads Wires Bars Strips ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Single helix Multiple helix Flat spiral Bourdon tube Single helix Multiple helix Flat spiral Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Working principle of mercury in glass thermometer is None of these Pressure rise with temperature Linear expansion Volumetric expansion None of these Pressure rise with temperature Linear expansion Volumetric expansion ANSWER DOWNLOAD EXAMIANS APP