Process Control and Instrumentation The open loop transfer function of a control system is KR/(1 + TS) . This represents A second order system A first order system A first order time lag Dead time system A second order system A first order system A first order time lag Dead time system 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 Kc is increased Derivative control action is introduced Kc is reduced Integral control action is introduced Kc is increased Derivative control action is introduced ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? 1.5 AT 2 AT √AT 0.5 AT 1.5 AT 2 AT √AT 0.5 AT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A bolometer is An element which senses optical input and delivers thermal output Both A & B Here Neither A nor B Here Used for the measurement of thermal radiation An element which senses optical input and delivers thermal output Both A & B Here Neither A nor B Here Used for the measurement of thermal radiation 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
Process Control and Instrumentation Working principle of mercury in glass thermometer is based on volumetric expansion of mercury with increase in temperature. Which of the following undergoes minimum volumetric expansion for a given temperature change? Water Carbon-tetrachloride Methyl alcohal Mercury Water Carbon-tetrachloride Methyl alcohal Mercury ANSWER DOWNLOAD EXAMIANS APP
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