Process Control and Instrumentation Which of the following controllers has maximum offset? P-controller P-D controller P-I controller P-I-D controller P-controller P-D controller P-I controller P-I-D controller ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The term analogous to the electrical current in a thermal system is the Heat content in the system Temperature difference None of these Heat flow rate Heat content in the system Temperature difference None of these Heat flow rate ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Characteristic equation is the denominator of __________ loop transfer function. Both A & B Here Neither A Nor B Here Open Closed Both A & B Here Neither A Nor B Here Open Closed 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 D⁴ D³ D D² D⁴ D³ D D² ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The Laplace transform of exp(at), where a > 0, is defined only for the Laplace parameter, s > a since The Laplace transform integral of exp(at) has initial values only for s > a The function exp(at) is piece-wise continuous only for s > a The Laplace transform of integral of exp(at) has finite values only for s > a The function is exponential The Laplace transform integral of exp(at) has initial values only for s > a The function exp(at) is piece-wise continuous only for s > a The Laplace transform of integral of exp(at) has finite values only for s > a The function is exponential ANSWER DOWNLOAD EXAMIANS APP
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