Process Control and Instrumentation Feed forward controller accounts for the __________ changes. Both A & B Load Set point Neither A nor B Both A & B Load Set point Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is an undesirable dynamic characteristic of an instrument? Dead zone Reproducibility Time lag Static error Dead zone Reproducibility Time lag Static error ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation When the damping co-efficient (ξ) is unity, the system is Overdamped Underdamped Critically damped Highly fluctuating Overdamped Underdamped Critically damped Highly fluctuating ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their High viscosity index Low electrical conductivity Low flash point Low thermal conductivity High viscosity index Low electrical conductivity Low flash point Low thermal conductivity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Positioning controllers are used for Flow rate changes Low loads High loads Temperature changes Flow rate changes Low loads High loads Temperature changes ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The deflection in diaphragm (which is used as pressure sensor in pneumatic and electronic instruments) is dependent on the metal thickness, its diameter (d) and shape & number of corrugations. Its deflection is proportional to D² D D³ D⁴ D² D D³ D⁴ ANSWER DOWNLOAD EXAMIANS APP