Process Control and Instrumentation Continuous shell temperature measurement in a liquid-liquid heat exchanger is done by a Thermocouple Vapor pressure thermometer Mercury in glass thermometer Reistance thermometer Thermocouple Vapor pressure thermometer Mercury in glass thermometer Reistance thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Emf developed by a thermocouple, while measuring a temperature of 600°C is about 5.5 mV. The type of thermocouple used is Chromel-alumel Platinum-platinum+rhodium Iron-constantan Either A, B or C Chromel-alumel Platinum-platinum+rhodium Iron-constantan Either A, B or C ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Flow rate changes High loads Temperature changes Low loads Flow rate changes High loads Temperature changes Low loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A first order system Dead time system A first order time lag A second order system A first order system Dead time system A first order time lag A second order system ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. None of these Bourdon tube Bulb Pointer None of these Bourdon tube Bulb Pointer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Time constant is the Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time Time taken by the controlled variable to reach 63.2% of its full change Time required by the measured variable to reach 63.2% of its ultimate change Same as transportation lag Same as dead time ANSWER DOWNLOAD EXAMIANS APP
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