Process Control and Instrumentation Phase lag of the sinusoidal response of a first order system is 120° 90° 30° 180° 120° 90° 30° 180° ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means Feed forward control One feed-back loop More than one feed-back loop On-off control Feed forward control One feed-back loop More than one feed-back loop On-off control ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A stable system is the one Which satisfies the conditions for a servo problem None of these Which exhibits an unbounded response to a bounded input For which the output response is bounded for all bounded input Which satisfies the conditions for a servo problem None of these Which exhibits an unbounded response to a bounded input For which the output response is bounded for all bounded input ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Dead zone is the Same as time constant Same as transportation lag Maximum change in the variable that does not change the reading of the instrument None of these Same as time constant Same as transportation lag Maximum change in the variable that does not change the reading of the instrument None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since The function is exponential The function exp(at) is piece-wise continuous only for s > a The Laplace transform of integral of exp(at) has finite values only for s > a The Laplace transform integral of exp(at) has initial values only for s > a The function is exponential The function exp(at) is piece-wise continuous only for s > a The Laplace transform of integral of exp(at) has finite values only for s > a The Laplace transform integral of exp(at) has initial values only for s > a ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation What is the Laplace transform of sin t ? S/(s² + 1) S/(s² - 1) 1/(s² - 1) 1/(s² + 1) S/(s² + 1) S/(s² - 1) 1/(s² - 1) 1/(s² + 1) ANSWER DOWNLOAD EXAMIANS APP
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