Process Control and Instrumentation A constant volume gas thermometer employing __________ is used to measure sub-zero (i.e., < 0° C) temperature. Helium Nitrogen None of these Hydrogen Helium Nitrogen None of these Hydrogen 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 Radiation pyrometers as compared to thermocouples Has a slower speed of response Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Can measure higher temperature Has a slower speed of response Is more affected by corrosive atmosphere Can't measure the temperature of moving objects Can measure higher temperature ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the widest temperature measurement range? Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum/rhodium Chromel-alumel Iron-constantan Copper-constantan Platinum-platinum/rhodium ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 90° at the most Is 30° Is 120° Approaches 180° asymptotically Is 90° at the most Is 30° Is 120° Approaches 180° asymptotically ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples can measure the maximum temperature? Tungsten-molybdenum Chromel-alumel Iron-constantan Platinum-rhodium Tungsten-molybdenum Chromel-alumel Iron-constantan Platinum-rhodium ANSWER DOWNLOAD EXAMIANS APP
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