Process Control and Instrumentation Which of the following thermocouples will give the highest output for the same value of hot and cold junction temperature? Iron-constantan Platinum-platinum + rhodium All of these Chromel-constantan Iron-constantan Platinum-platinum + rhodium All of these Chromel-constantan ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with Closed loop values vs. open loop values Frequency response values of controllers R. vs. phase lag of second order R. vs. phase lag of first order Closed loop values vs. open loop values Frequency response values of controllers R. vs. phase lag of second order R. vs. phase lag of first order ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 120° 30° 180° 90° 120° 30° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The unit step response of the transfer function 1/(s² + 2s + 3) Has a damped oscillatory characteristics Has a non-zero slope at the origin Is unstable Is overdamped Has a damped oscillatory characteristics Has a non-zero slope at the origin Is unstable Is overdamped ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The thermal emf-temperature relationship of most thermocouples is Linear Square root Parabolic Exponential Linear Square root Parabolic Exponential ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS