Process Control and Instrumentation Phase margin is equal to Phase lag - 180° Phase lag + 180° Phase lag + 90° 180° - phase lag Phase lag - 180° Phase lag + 180° Phase lag + 90° 180° - phase lag ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous measurement of specific gravity of a liquid is done by Both A and C Hydrometer Contact-type electric indicators Displacement meter Both A and C Hydrometer Contact-type electric indicators Displacement meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following flow-metering instru-ments is an areameter? Hot wire anemometer Venturimeter Rotameter Pitot tube Hot wire anemometer Venturimeter Rotameter Pitot tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature of molten pig iron (1450°C) and molten slag (1500°C) flowing out of a blast furnace is measured by a/an Either B or C Chromel-alumel thermocouple Optical pyrometer Radiation pyrometer Either B or C Chromel-alumel thermocouple Optical pyrometer Radiation pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For measuring the temperature of a red hot furnace, which is the most suitable instrument? Thermocouple Bimetallic thermometer Platinum resistance thermometer Optical pyrometer Thermocouple Bimetallic thermometer Platinum resistance thermometer Optical pyrometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? All of these Chromel-constantan Platinum-platinum + rhodium Iron-constantan All of these Chromel-constantan Platinum-platinum + rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
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