Process Control and Instrumentation Dome temperature of blast furnace stove is most accurately measured by a Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer Platinum-platinum/rhodium ther-mocuple Iron-constantan thermocouple Radiation pyrometer Platinum resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Time taken by the controlled variable to reach 63.2% of its full change Same as dead time Time required by the measured variable to reach 63.2% of its ultimate change ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following filled system expansion thermometer has the capability to measure the lowest temperature? Mercury in steel thermometer Fused metal (Na or K) in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer Mercury in steel thermometer Fused metal (Na or K) in steel thermometer Mercury in glass thermometer Alcohol in glass thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Liquid argon level in a pressurised storage tank (at 3 kg/cm² ) is measured by a/an Gage glass Differential pressure gage External float gage None of these Gage glass Differential pressure gage External float gage None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bode diagram is a plot of Log (AR) vs. f and log Φ vs.f None of these Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) Log (AR) vs. f and log Φ vs.f None of these Log (AR) vs. log (f) and (Φ) vs. log (f) AR vs. log (f) and Φ vs. log (f) 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