Process Control and Instrumentation When a bare thermocouple is covered by a protective sheath, the response becomes Faster and oscillatory Faster and non-oscillatory Slower and oscillatory Slower and non-oscillatory Faster and oscillatory Faster and non-oscillatory Slower and oscillatory Slower and non-oscillatory ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A proportional controller with a gain of Kc is used to control a first order process. The offset will increase, if Kc is reduced Integral control action is introduced Derivative control action is introduced Kc is increased Kc is reduced Integral control action is introduced Derivative control action is introduced Kc is increased ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Accurate temperature measurement performance of a radiation pyrometer can not be affected, if the Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object and surrounding are at almost the same temperature Object has varying emissivity Enhancement or attentuation of redia-tion occurs in the sighting path Object is transparent Object and surrounding are at almost the same temperature 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 Identify an unbounded input from inputs whose transfer functions are given below 1/(S² + 1) 1 1/S² 1/S 1/(S² + 1) 1 1/S² 1/S 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 90° 180° 0° 45° 90° 180° 0° 45° ANSWER DOWNLOAD EXAMIANS APP
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