Process Control and Instrumentation The level of a liquid under pressure can be determined using Differential pressure manometer Diaphragm box system Bubbler system Air-trap system Differential pressure manometer Diaphragm box system Bubbler system Air-trap system 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 - 39 and 350 - 79 and 395 - 51 and 439 - 10 and 425 - 39 and 350 - 79 and 395 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is incapable of measuring sub-zero (i.e., < 0°C) temperature? Platinum-platinum + rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum + rhodium Iron-constantan Chromel-alumel Copper-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Mercury thermometer can be used to measure the temperature upto __________ °C. 750 100 250 350 750 100 250 350 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermal wells used in temperature measurements should have High transmissivity of radiation Low emissivity Polished surface Very thick walls High transmissivity of radiation Low emissivity Polished surface Very thick walls ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? √AT 0.5 AT 2 AT 1.5 AT √AT 0.5 AT 2 AT 1.5 AT ANSWER DOWNLOAD EXAMIANS APP
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