Process Control and Instrumentation The temperature of tempering oil baths maintained at 400°C during heat treatment of steel is measured by a/an __________ thermocouple. None of these Platinum-platinum/rhodium Iron-constantan Chromel-alumel None of these Platinum-platinum/rhodium Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal conductivity measurement com-prises the working principle of a Chromatograph CO₂ analyser Polarimeter Spectrometer Chromatograph CO₂ analyser Polarimeter Spectrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer is commonly used for low temperature measruement. The freezing point and boiling point of mercury are respectively __________ °C. - 51 and 439 - 10 and 425 - 79 and 395 - 39 and 350 - 51 and 439 - 10 and 425 - 79 and 395 - 39 and 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Identify an unbounded input from inputs whose transfer functions are given below 1/S 1 1/S² 1/(S² + 1) 1/S 1 1/S² 1/(S² + 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Maximum change in the variable that does not change the reading of the instrument None of these Same as transportation lag Same as time constant Maximum change in the variable that does not change the reading of the instrument None of these Same as transportation lag Same as time constant ANSWER DOWNLOAD EXAMIANS APP
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