Process Control and Instrumentation What is the dynamic error in a critically damped second order instrument for a ramp input (AT)? √AT 2 AT 1.5 AT 0.5 AT √AT 2 AT 1.5 AT 0.5 AT ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following measurements can be made by the measurement of emf? All of these Composition of complex ions Degree of hydrolysis PH value All of these Composition of complex ions Degree of hydrolysis PH value ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Pick out the most suitable instrument for measuring temperature in the range of-40 to 425°C. Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer Bimetallic thermometer Radiation pyrometer None of these Mercury thermometer ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The closed loop pole of a stable second order system could be Complex conjugate with positive real parts One real positive and the other real negative Both real and negative Both real and positive Complex conjugate with positive real parts One real positive and the other real negative Both real and negative Both real and positive ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Suppose that the gain, time constant and dead time of a process with the following transfer function:Gc(s) = 10 exp( - 0.1s)/(0.5s + 1) are known with a possible error of ± 20% of their values. The largest permissible gain Kc of a proportional controller needs to be calculated below taking the values of process gain, time constant and dead time as 12, 0.4, 0.08 12, 0.6, 0.12 8, 0.6, 0.12 8, 0.6, 0.08 12, 0.4, 0.08 12, 0.6, 0.12 8, 0.6, 0.12 8, 0.6, 0.08 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is 1/(Ts + 1) S/(Ts + 1) None of these 1/Ts 1/(Ts + 1) S/(Ts + 1) None of these 1/Ts ANSWER DOWNLOAD EXAMIANS APP