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 Is 30° Is 120° Approaches 180° asymptotically Is 90° at the most Is 30° Is 120° Approaches 180° asymptotically ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low thermal conductivity Low flash point Low electrical conductivity High viscosity index Low thermal conductivity Low flash point Low electrical conductivity High viscosity index ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Variable flow area Pressure drop across a nozzle Pressure at a stagnation point Rotation of a turbine Variable flow area Pressure drop across a nozzle Pressure at a stagnation point Rotation of a turbine ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a primary element. Pointer Bulb None of these Bourdon tube Pointer Bulb None of these Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The amplitude ratio for the sinusoidal response of a __________ is 1. Second order system First order system Transportation lag None of these Second order system First order system Transportation lag None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the emf. generated in a single homogeneous wire to the temperature difference? Seebeck effect Peltier effect Thomson effect None of these Seebeck effect Peltier effect Thomson effect None of these ANSWER DOWNLOAD EXAMIANS APP
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