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 A metal powder or graphite Oil Mercury Air A metal powder or graphite Oil Mercury Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which is the strongest paramagnetic gas? NO NO₂ O₂ CO₂ NO NO₂ O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? NO₂ NO O₂ CO₂ NO₂ NO O₂ CO₂ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least 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 Which is the most suitable instrument for measuring pressure below 3 microns? Ionisation gauge Alphatron Mcleoid gauge Bourdon guage Ionisation gauge Alphatron Mcleoid gauge Bourdon guage ANSWER DOWNLOAD EXAMIANS APP