Process Control and Instrumentation The operation of a rotameter is based on 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 Pressure drop across a nozzle ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation If response of a control system is to be free of offset and oscillation, the most suitable controller is Proportional integral-derivative (PID) controller Proportional controller Proportional-integral (PI) controller Proportional-derivative(PD)controller Proportional integral-derivative (PID) controller Proportional controller Proportional-integral (PI) controller Proportional-derivative(PD)controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the first order system from among the following. Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Damped vibrator Non-interacting system of two tanks in series Mercury in glass thermometer kept in boiling water Interacting system of two tanks in series Damped vibrator Non-interacting system of two tanks in series ANSWER DOWNLOAD EXAMIANS APP
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 Working principle of radiation pyrometer is based on the Stafan-Boltzman law Wien's law Seebeck effect Kirchoffs law Stafan-Boltzman law Wien's law Seebeck effect Kirchoffs law ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Phase margin is equal to 180° - phase lag Phase lag + 180° Phase lag - 180° Phase lag + 90° 180° - phase lag Phase lag + 180° Phase lag - 180° Phase lag + 90° ANSWER DOWNLOAD EXAMIANS APP
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