Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Approaches 180° asymptotically Is 120° Is 90° at the most Is 30° Approaches 180° asymptotically Is 120° Is 90° at the most Is 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Radiation pyrometers as compared to thermocouples Can't measure the temperature of moving objects Can measure higher temperature Is more affected by corrosive atmosphere Has a slower speed of response Can't measure the temperature of moving objects Can measure higher temperature Is more affected by corrosive atmosphere Has a slower speed of response ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ type of element is normally not used in the bimetallic thermometers. Bourdon tube Single helix Multiple helix Flat spiral Bourdon tube Single helix Multiple helix Flat spiral ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The offset introduced by proportional controller with gain Kc in response of first order system can be reduced by Introducing derivative control None of these Reducing value of Kc Introducing integral control Introducing derivative control None of these Reducing value of Kc Introducing integral control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation In a single tank system, the transfer function of level to inlet flow rate is L(TS + l) 1/TS R/(TS + 1) R/TS L(TS + l) 1/TS R/(TS + 1) R/TS ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Psychrometer determines the Water of crystallisation Moisture content of solids Humidity of gases Hygroscopic nature of solids Water of crystallisation Moisture content of solids Humidity of gases Hygroscopic nature of solids ANSWER DOWNLOAD EXAMIANS APP
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