Process Control and Instrumentation Which of the following can measure temperatures in the range of - 20 to 300°C ? Mercury in glass thermometer Vapor pressure thermometer None of these Resistance thermometer Mercury in glass thermometer Vapor pressure thermometer None of these Resistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as time constant Maximum change in the variable that does not change the reading of the instrument Same as transportation lag None of these Same as time constant Maximum change in the variable that does not change the reading of the instrument Same as transportation lag None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of __________ is < 1. Transportation lag None of these First order system Second order system Transportation lag None of these First order system Second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? S/(s² - 1) 1/(s² + 1) S/(s² + 1) 1/(s² - 1) S/(s² - 1) 1/(s² + 1) S/(s² + 1) 1/(s² - 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with Air A metal powder or graphite Oil Mercury Air A metal powder or graphite Oil Mercury ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Very low pressure is expressed in microns(μ), which is equal to __________ mm of Hg coloumn (absolute) at 0°C. 0.01 0.001 0.1 0.0001 0.01 0.001 0.1 0.0001 ANSWER DOWNLOAD EXAMIANS APP
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