Process Control and Instrumentation Liquid column manometers are used for measuring the pressure __________ kgf/cm² . < 10 (gage) > 2(gage) < 3 (gage) < atmospheric < 10 (gage) > 2(gage) < 3 (gage) < atmospheric ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Rotation of a turbine Pressure drop across a nozzle Variable flow area Pressure at a stagnation point Rotation of a turbine Pressure drop across a nozzle Variable flow area Pressure at a stagnation point ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by None of these Introducing derivative control Introducing integral control Reducing value of Kc None of these Introducing derivative control Introducing integral control Reducing value of Kc ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 90° 180° - phase lag Phase lag - 180° Phase lag + 180° Phase lag + 90° 180° - phase lag Phase lag - 180° Phase lag + 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Flow rate through an orifice is __________ the pressure differential. Inversely proportional to the square of Inversely proportional to the square root of Proportional to the square root of Proportional to Inversely proportional to the square of Inversely proportional to the square root of Proportional to the square root of Proportional to ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples is the most suitable for measuring a temperature of about 1600°C in an oxidizing atmosphere? Platinum-platinum + rhodium Copper-constantan Iron-constantan Chromel-alumel Platinum-platinum + rhodium Copper-constantan Iron-constantan Chromel-alumel ANSWER DOWNLOAD EXAMIANS APP
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