Process Control and Instrumentation Select the correct statement from the following. The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded The phase lag of a pure time delay system decreases with increasing frequency The amplitude ratio of a pure time delay system increases with frequency The amplitude ratio of a pure capacity process is inversely proportional to frequency The frequency response of a pure capacity process is unbounded ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since The function exp(at) is piece-wise continuous only for s > a The Laplace transform integral of exp(at) has initial values only for s > a The function is exponential The Laplace transform of integral of exp(at) has finite values only for s > a The function exp(at) is piece-wise continuous only for s > a The Laplace transform integral of exp(at) has initial values only for s > a The function is exponential The Laplace transform of integral of exp(at) has finite values only for s > a ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Bimetal strips are not used in Thermocouples Relays for opening & closing of electrical circuits Thermostats Bimetallic thermometers Thermocouples Relays for opening & closing of electrical circuits Thermostats Bimetallic thermometers ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Stabilising time for the controllers is the time required for the response to reach __________ percent of its ultimate value. 100 63.2 87.5 95 100 63.2 87.5 95 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with A metal powder or graphite Mercury Oil Air A metal powder or graphite Mercury Oil Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Continuous flue gas analyser makes use of paramagnetic properties of some of its constituents, which move towards the strongest part of the magnetic field thus displacing diamagnetic gases. Which of the following gases is diamagnetic? NO₂ NO CO₂ O₂ NO₂ NO CO₂ O₂ ANSWER DOWNLOAD EXAMIANS APP
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