Process Control and Instrumentation The transfer function for a P-D controller is Kc/τD s Kc(1 +1/τD s) Kc(1+τD s) Kc τD s Kc/τD s Kc(1 +1/τD s) Kc(1+τD s) Kc τD s ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The __________ of a vapor pressure thermometer is a functioning element. None of these Pointer Bulb Bourdon tube None of these Pointer Bulb Bourdon tube ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For two non-interacting first order systems connected in series, the overall transfer function is the __________ of the individual transfer functions. Sum Product Difference Ratio Sum Product Difference Ratio ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The initial value (t=0) of the unit step response of the transfer function [(s + 1)/(2s + 1)] is 2 43832 1 2 43832 1 ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Temperature control of an exothermic chemical reaction taking place in a CSTR is done with the help of cooling water flowing in a jacket around the reactor. The types of valve and controller action to be recommended are Air to close valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller indirect acting Air to open valve with the controller direct acting Air to close valve with the controller indirect acting Air to close valve with the controller direct acting Air to open valve with the controller indirect acting Air to open valve with the controller direct acting 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 π/6 π/3 5π/12 π/12 π/6 π/3 5π/12 π/12 ANSWER DOWNLOAD EXAMIANS APP