Process Control and Instrumentation To increase the speed of response of a pressure spring liquid or gas expansion thermometer, the clearance space between the thermometer bulb and the thermal well should not be filled with A metal powder or graphite Oil Mercury Air A metal powder or graphite Oil Mercury Air ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a first order system is S/(Ts + 1) 1/Ts 1/(Ts + 1) None of these S/(Ts + 1) 1/Ts 1/(Ts + 1) None of these ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation Composition of alloys can be determined by Chromatograph Refractrometer None of these Polarograph Chromatograph Refractrometer None of these Polarograph 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 D² D D⁴ D³ D² D D⁴ D³ ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation For a feed back control system to be stable, the Poles of the closed loop transfer function should lie in the right half of the complex plane Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the left half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease Poles of the closed loop transfer function should lie in the right half of the complex plane Roots of the characteristic equation should be real Poles of the closed loop transfer function should lie in the left half of the complex plane Bode plots of the corresponding open loop transfer function should monotoni-cally decrease ANSWER DOWNLOAD EXAMIANS APP
Process Control and Instrumentation The transfer function of a pure dead time system with dead time τd is E-τds 1/(τds + 1) Τds + 1 Eτds E-τds 1/(τds + 1) Τds + 1 Eτds ANSWER DOWNLOAD EXAMIANS APP
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