Process Control and Instrumentation Which of the following controllers has maximum offset? P-I controller P-controller P-I-D controller P-D controller P-I controller P-controller P-I-D controller P-D controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Normal mercury thermometer can be used to measure a temperature of about 300°C. However, its maximum temperature measurement range can be increased upto about 500°C by Increasing the diameter of the tube Using steel tube in place of glass tube Accounting for the tube expansion Filling nitrogen under pressure in the stem Increasing the diameter of the tube Using steel tube in place of glass tube Accounting for the tube expansion Filling nitrogen under pressure in the stem ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Which of the following is the dynamic characteristics of an instrument? Sensitivity Fidelity Dead zone Reproducibility Sensitivity Fidelity Dead zone Reproducibility 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 open valve with the controller indirect acting Air to open valve with the controller direct acting Air to close valve with the controller direct acting Air to close valve with the controller indirect 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 direct acting Air to close valve with the controller indirect acting ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation A manometer measures the __________ pressure. Atmospheric Absolute Gauge None of these Atmospheric Absolute Gauge None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function for a P-D controller is Kc τD s Kc(1+τD s) Kc(1 +1/τD s) Kc/τD s Kc τD s Kc(1+τD s) Kc(1 +1/τD s) Kc/τD s ANSWER DOWNLOAD EXAMIANS APP