Process Control and Instrumentation A first order system with unity gain and time constant τ is subjected to a sinusoidal input of frequency w = 1/τ. The amplitude ratio for this system is 1/√2 0.5 0.25 1 1/√2 0.5 0.25 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation On-off controllers are normally used for None of these Temperature changes Flow rate changes Low loads None of these Temperature changes Flow rate changes Low loads ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Out of the following themocouple wire insulating material, the highest temperature rating is for Ceramic fibre Asbestos Fibre glass Teflon Ceramic fibre Asbestos Fibre glass Teflon ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A typical example of a physical system with under damped characteristic is a Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell U-tube manometer CSTR with first order reaction Spring loaded diaphragm valve Thermocouple kept immersed in a liquid filled thermowell U-tube manometer CSTR with first order reaction ANSWER DOWNLOAD EXAMIANS APP
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 45° 0° 180° 90° 45° 0° 180° 90° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Ratio Product Sum Difference Ratio Product Sum Difference ANSWER DOWNLOAD EXAMIANS APP
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