Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is 1/(τds + 1) Τds + 1 Eτds E-τds 1/(τds + 1) Τds + 1 Eτds E-τds 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? CO₂ NO O₂ NO₂ CO₂ NO O₂ NO₂ 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 Reducing value of Kc Introducing integral control Introducing derivative control None of these Reducing value of Kc Introducing integral control Introducing derivative control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following thermocouples has the least temperature measurement range? Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan Chromel-alumel Copper-constantan Platinum-platinum/rhodium Iron-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to Phase lag + 180° 180° - phase lag Phase lag + 90° Phase lag - 180° Phase lag + 180° 180° - phase lag Phase lag + 90° Phase lag - 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Is unstable Is overdamped Has a non-zero slope at the origin Has a damped oscillatory characteristics Is unstable Is overdamped Has a non-zero slope at the origin Has a damped oscillatory characteristics ANSWER DOWNLOAD EXAMIANS APP
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