Process Control and Instrumentation According to Bode stability criterian, a system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at frequency for which phase lag is 0° 90° 45° 180° 0° 90° 45° 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 30° Approaches 180° asymptotically Is 120° Is 90° at the most Is 30° Approaches 180° asymptotically Is 120° Is 90° at the most ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For an input forcing function, X(t) = 2t², the Laplace transform of this function is 2/s² 2/s³ 4/s² 4/s³ 2/s² 2/s³ 4/s² 4/s³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a speed measuring instrument? Psychrometer All of these Tachometer Stroboscope Psychrometer All of these Tachometer Stroboscope ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the normal percentage of rhodium in platinum + rhodium element used in the thermocouple? 0.1 13 29 3 0.1 13 29 3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? 1/(s² - 1) S/(s² - 1) S/(s² + 1) 1/(s² + 1) 1/(s² - 1) S/(s² - 1) S/(s² + 1) 1/(s² + 1) ANSWER DOWNLOAD EXAMIANS APP
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