Process Control and Instrumentation What is the Laplace transform of sin t ? S/(s² - 1) 1/(s² + 1) 1/(s² - 1) S/(s² + 1) S/(s² - 1) 1/(s² + 1) 1/(s² - 1) S/(s² + 1) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation 0n-off control which is a special case of proportional control, has a band width of about __________ percent. 25 75 100 25 75 100 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A barometer measures the __________ pressure. Absolute Absolute as well as gauge Dynamic Gauge Absolute Absolute as well as gauge Dynamic Gauge ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The time constant of a unity gain, first order plus time delay process is 5 min. If the phase lag at a frequency of 0.2 rad/min is 60°, then the dead time (in minutes) is 5π/12 π/12 π/6 π/3 5π/12 π/12 π/6 π/3 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The operation of a rotameter is based on Pressure drop across a nozzle Rotation of a turbine Variable flow area Pressure at a stagnation point Pressure drop across a nozzle Rotation of a turbine Variable flow area Pressure at a stagnation point ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Number of poles in a system with transfer function 1/(s² + 2s² + 1) is 1 3 5 2 1 3 5 2 ANSWER DOWNLOAD EXAMIANS APP
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