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 Chromel-alumel Iron-constantan None of these Platinum-platinum/rhodium Chromel-alumel Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following judges the accuracy of an instrument? Dead zone None of these Static error Drift Dead zone None of these Static error Drift ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? 1/(s² + 1) S/(s² + 1) 1/(s² - 1) S/(s² - 1) 1/(s² + 1) S/(s² + 1) 1/(s² - 1) S/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Critically damped Highly fluctuating Overdamped Underdamped Critically damped Highly fluctuating Overdamped Underdamped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Liquid semi-conductor Insulator Conductor Solid semi-conductor Liquid semi-conductor Insulator Conductor Solid semi-conductor ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Joule heating effect Seebeck effect Peltier effect Thomson effect Joule heating effect Seebeck effect Peltier effect Thomson effect ANSWER DOWNLOAD EXAMIANS APP
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