Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 90° at the most Approaches 180° asymptotically Is 30° Is 120° Is 90° at the most Approaches 180° asymptotically Is 30° Is 120° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is not a variable area flow meter? Rotameter Magnetic flow meter Piston type meter Orifice and tapered plug meter Rotameter Magnetic flow meter Piston type meter Orifice and tapered plug meter ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Thermistor, which has high temperature co-efficient of resistivity, is used as the sensing element in resistance thermometer. It is a/an Conductor Liquid semi-conductor Solid semi-conductor Insulator Conductor Liquid semi-conductor Solid semi-conductor Insulator ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For increased speed of response of an expansion pressure spring thermometer, the thermometer bulb should have a High thermal conductivity All of these Small specific heat Large area but small mass High thermal conductivity All of these Small specific heat Large area but small mass ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Presence of a small amount of water in the organic systems can be determined by the __________ method. Emission spectroscopy Electrical conductivity Dielectric constant end loss factor Polarimetry Emission spectroscopy Electrical conductivity Dielectric constant end loss factor Polarimetry ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Nichol's chart deals with R. vs. phase lag of second order Closed loop values vs. open loop values R. vs. phase lag of first order Frequency response values of controllers R. vs. phase lag of second order Closed loop values vs. open loop values R. vs. phase lag of first order Frequency response values of controllers ANSWER DOWNLOAD EXAMIANS APP
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