Process Control and Instrumentation Magnetic flowmeters are generally not used for the velocity/flow measurement of hydrocarbons due to their Low thermal conductivity Low electrical conductivity Low flash point High viscosity index Low thermal conductivity Low electrical conductivity Low flash point High viscosity index ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is a desirable characteristic of an instrument? High drift Poor reproducibility High measuring lag High fidelity High drift Poor reproducibility High measuring lag High fidelity ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Gain margin is equal to the Amplitude ratio Gain in P-I controller Reciprocal of amplitude ratio Gain in P controller Amplitude ratio Gain in P-I controller Reciprocal of amplitude ratio Gain in P controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the systems having following transfer functions is stable? 1/(s²+ 2) 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) 1/(s²+ 2) 1/(s² + 2s + 2) 1/(s²-2s + 3) Exp(-20s)/(s² + 2s-l) ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following relates the absorption & evolution of heat at the junctions of a thermocouple to the current flow in the circuit? Seebeck effect Thomson effect Joule heating effect Peltier effect Seebeck effect Thomson effect Joule heating effect Peltier effect ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Cascade control means One feed-back loop More than one feed-back loop Feed forward control On-off control One feed-back loop More than one feed-back loop Feed forward control On-off control ANSWER DOWNLOAD EXAMIANS APP
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