Process Control and Instrumentation Bimetal strips are not used in Thermostats Thermocouples Bimetallic thermometers Relays for opening & closing of electrical circuits Thermostats Thermocouples Bimetallic thermometers Relays for opening & closing of electrical circuits ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A stable system is the one None of these Which satisfies the conditions for a servo problem For which the output response is bounded for all bounded input Which exhibits an unbounded response to a bounded input None of these Which satisfies the conditions for a servo problem For which the output response is bounded for all bounded input Which exhibits an unbounded response to a bounded input ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Resistance of a gas in a vessel is given by (where, P = pressure, V = volume of the vessel, n = no. of moles of the gas, R = gas constant) V/nRT nRT/P nRT/V p/nRT V/nRT nRT/P nRT/V p/nRT 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 0.5 AT √AT 2 AT 1.5 AT 0.5 AT √AT 2 AT 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 first order R. vs. phase lag of second order Closed loop values vs. open loop values Frequency response values of controllers R. vs. phase lag of first order R. vs. phase lag of second order ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A control system is unstable, if the open loop frequency response exhibits an amplitude ratio exceeding unity at the crossover frequency. This is __________ criterion. Routh stability None of these Nyquist Bode stability Routh stability None of these Nyquist Bode stability ANSWER DOWNLOAD EXAMIANS APP
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