Process Control and Instrumentation What is the ratio of output amplitude to input amplitude for a sinusoidal forcing function in a first order system? < 1 1 >1 None of these < 1 1 >1 None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pressure of 0.01 psi (absolute) can be measured by __________ gauge. Ionisation Pirani None of these Mcloid Ionisation Pirani None of these Mcloid ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A sinusoidal variation in the input passing through a linear first order system Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) Gets amplified (magnitude increases) Becomes less oscillatory (frequency decreases) Gets attenuated (magnitude decreases) Becomes more oscillatory (frequency increases) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means One feed-back loop Feed forward control On-off control More than one feed-back loop One feed-back loop Feed forward control On-off control More than one feed-back loop ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Typical specifications for design stipulates the gain margin and phase margin to be respectively > 1.7 and > 30° < 1.7 and > 30° > 1.7 and < 30° < 1.7 and < 30° > 1.7 and > 30° < 1.7 and > 30° > 1.7 and < 30° < 1.7 and < 30° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High fidelity Poor reproducibility High measuring lag High drift High fidelity Poor reproducibility High measuring lag High drift ANSWER DOWNLOAD EXAMIANS APP
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