Process Control and Instrumentation Phase lag of the frequency response of a second order system to a sinusoidal forcing function Is 30° Approaches 180° asymptotically Is 120° Is 90° at the most Is 30° Approaches 180° asymptotically Is 120° Is 90° at the most ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation __________ controller has the maximum stabilising time. PD P PID PI PD P PID PI ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following fluid flow measuring devices can measure the largest flow rate? Orificemeter Rotameter Weir V-notch Orificemeter Rotameter Weir V-notch ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Hot wire anemometer is used for the measurement of Thermal conductivity of gases Flow rates of granular solids Very high temperature Flow rates of fluids Thermal conductivity of gases Flow rates of granular solids Very high temperature Flow rates of fluids 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. Bode stability Routh stability None of these Nyquist Bode stability Routh stability None of these Nyquist 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. Polarimetry Electrical conductivity Emission spectroscopy Dielectric constant end loss factor Polarimetry Electrical conductivity Emission spectroscopy Dielectric constant end loss factor ANSWER DOWNLOAD EXAMIANS APP
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